Precision Cooling For Business-Critical Continuity™ Liebert Mini-Mate2™–1 & 1.5 Ton (3.5 & 5kW) Capacity Technical Data Manual–Air, Water, Glycol, Chilled Water; 50 & 60 Hz TABLE OF CONTENTS 1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 1.1 Designed to Match Computer and Electronic Equipment Needs—From Installation to Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 STANDARD FEATURES—1 & 1.5 TON SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 2.1 Self-Contained Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.1.1 2.1.2 2.1.3 Air-Cooled Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Water/Glycol-Cooled Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Chilled Water Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.2 Evaporator Section—Split Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.3 Condensing Unit Section—Split System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.4 System Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.4.1 Other Standard Control Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3.0 OPTIONAL FACTORY-INSTALLED FEATURES—SELF-CONTAINED AND EVAPORATOR UNITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 3.1 Reheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3.2 Humidifier. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3.3 Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3.4 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3.5 Free-Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.6 Optional Configuration—Prop Fan Condensing Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.7 Optional Configurations—Water/Glycol-Cooled Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.8 Optional Configuration—Chilled Water Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4.0 SHIP-LOOSE ACCESSORIES—FIELD-INSTALLED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 4.1 Remote Monitoring, Autochangeover and Leak Detection Equipment . . . . . . . . . . . . . . . . . . 6 5.0 FLEXIBLE CONFIGURATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 6.0 AIR-COOLED SYSTEMS—CAPACITIES AND DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . .9 7.0 WATER/GLYCOL SYSTEMS—CAPACITIES AND DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . 16 8.0 CHILLED WATER SYSTEMS—CAPACITIES AND DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . 21 9.0 ELECTRICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 10.0 REFRIGERANT PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 11.0 GLYCOL LOOP PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 12.0 MODEL NUMBER NOMENCLATURE—ALL SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 i GUIDE SPECIFICATIONS FOR LIEBERT MINI-MATE2—1- AND 1.5-TON SYSTEMS . . . . . . . . . . . . . . 35 1.0 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 1.1 1.2 1.3 1.4 Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Design Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Submittals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Quality Assurance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0 Product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 2.1 2.2 2.3 2.4 Standard Features/All Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chilled Water System Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Factory-Installed Options/All Cooling Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ship-Loose Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0 Execution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 3.1 3.2 Installation of Air Conditioning Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Field Quality Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 35 35 35 35 35 37 39 40 FIGURES Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Figure 23 Figure 24 Figure 25 Figure 26 Figure 27 Figure 28 Figure 29 Figure 30 Wall-mounted display box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Free cooling option—example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Flexible configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 General arrangement—self contained air-cooled system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Free-cooling coil arrangement, air-cooled units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 General arrangement—Self-contained air-cooled unit with hot gas reheat . . . . . . . . . . . . . . . . . 11 General arrangement—Split systems with air-cooled condensing units. . . . . . . . . . . . . . . . . . . . 11 Dimensions—Air-cooled, self-contained and split systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Dimensions—Return filter box, all systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Dimensions—Supply/return grille kit, all systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Dimensions—Condenser fan module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Dimensions—Air-cooled systems, outdoor condensing unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 General arrangement—Self-contained water/glycol-cooled system . . . . . . . . . . . . . . . . . . . . . . . . 17 Free-cooling coil arrangement—Water/glycol-cooled units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 General arrangement, Self-contained water/glycol-cooled unit with hot gas reheat . . . . . . . . . . 18 Dimensions - Water/glycol self-contained units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Dimensions—Return filter box, all systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Dimensions—Supply/return grille kit, all systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 General arrangement—Self-contained chilled water units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 General arrangement—Hot water reheat coil, chilled water units . . . . . . . . . . . . . . . . . . . . . . . . 22 Dimensions—Chilled water unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Dimensions—Return filter box, all systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Dimensions—Supply/return grille kit, all systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Refrigerant piping diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Heat rejection loop, multiple drycoolers and multiple indoor units. . . . . . . . . . . . . . . . . . . . . . . . 30 Model number nomenclature—Self-contained, air-cooled units . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Model number nomenclature—Split evaporator air-cooled units . . . . . . . . . . . . . . . . . . . . . . . . . 32 Model number nomenclature—Outdoor air-cooled prop fan condensing units . . . . . . . . . . . . . . . 32 Model number nomenclature—Self-contained, water/glycol-cooled units . . . . . . . . . . . . . . . . . . . 33 Model number nomenclature—Chilled water units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 ii TABLES Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 Table 13 Table 14 Table 15 Table 16 Table 17 Table 18 Table 19 Air-cooled data, 60Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Unit net weights—Air-cooled units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Net weight, condenser fan module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Dimensions and weight—Air-cooled systems, outdoor condensing unit . . . . . . . . . . . . . . . . . . . . 15 Water/Glycol data, 60Hz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Unit net weights—Water/glycol self-contained units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Chilled water data, 50/60Hz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Capacity correction factors (based on 10°F (5.6°C) water rise) . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Unit net weights—Chilled Water units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Electrical data, self-contained air-cooled units, 60Hz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Electrical Data—Self-contained water/glycol-cooled units, 60Hz . . . . . . . . . . . . . . . . . . . . . . . . . 26 Electrical data—Split-evaporator or self-contained chilled water units, 50/60 Hz . . . . . . . . . . . . 27 Electrical data—Outdoor PFH condensing units, 60Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Refrigerant charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Recommended line sizes, OD Cu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Line charges—refrigerant per 100 ft. (30m) of Type L copper tube . . . . . . . . . . . . . . . . . . . . . . . . 28 Pipe length and condenser elevation relative to evaporator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Refrigerant charge in Liebert pre-charged R-407C line sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Equivalent lengths for various pipe fittings, ft (m). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 iii iv Introduction 1.0 INTRODUCTION 1.1 Designed to Match Computer and Electronic Equipment Needs—From Installation to Operation Installed above the ceiling, the Liebert Mini-Mate2 system controls the cooling, humidity and air distribution required by sensitive electronic equipment. A range of sizes and configurations are available to meet site needs. The Liebert Mini-Mate2 is also easy to use. Advanced microprocessor technology allows easy, precise control, and menu-driven monitoring keeps you informed of system operation through the LCD readout. These features, combined with Liebert quality construction and reliable components, guarantee satisfaction from installation through operation. Liebert Precision Cooling Liebert Precision Cooling systems are designed to control the temperature and humidity required for computers and other sensitive electronic equipment. Liebert Mini-Mate2 provides complete control on an around-the-clock basis, as well as the high sensible heat ratio required by sensitive electronic equipment. Easy Installation Self-contained systems have all refrigerant piping factory installed. Split-system evaporator and outdoor condensing unit are pre-charged with refrigerant and are available with pre-charged refrigerant lines or sweat adapters for field refrigerant piping. Thermostat-type wiring to control wall box and condensing units, if applicable, further simplifies the installation. Easy to Service Low-maintenance components are easily accessed through removable panels. Spare parts are always in Liebert’s inventory and available on short notice. Advanced Control Technology A menu-driven microprocessor control system provides precise temperature and humidity control and accurate alarm setpoints. Using touch sensitive buttons, the wall-mounted monitor/control panel allows you to display temperature and other monitored parameters. High Efficiency High system efficiency is a result of high sensible heat ratio, two selectable fan speeds and precise microprocessor control. Space Saving Design All indoor components are installed above the ceiling, so no floor space is required. Reliable The Liebert Mini-Mate2 family installed base is a testimony to the system’s reliability. Components include a rugged compressor, high-efficiency copper tube, aluminum fin evaporator coil and a double inlet, direct drive fan. Agency Listed Standard 60Hz units are CSA Certified to the harmonized U.S. and Canadian product safety standard CSA C22.2 No 236/UL 1995 for “Heating and Cooling Equipment” and are marked with the CSA c-us logo. Location When determining installation locations, consider that these units contain water and that water leaks can cause damage to sensitive equipment below. Do not mount these units above sensitive equipment. A field-supplied pan with drain must be installed beneath ducted cooling units. Do not install units in areas where normal unit operating sound might disturb the working environment. 1 Liebert® Mini-Mate2™ Standard Features—1 & 1.5 Ton Systems 2.0 STANDARD FEATURES—1 & 1.5 TON SYSTEMS 2.1 Self-Contained Systems The self-contained system is designed for ceiling installation. The cabinet and chassis are constructed of heavy gauge galvanized steel. The unit can be serviced using only one side, increasing its versatility in mounting locations. Mounting brackets are factory-attached to the cabinet. Internal cabinet insulation meets ASHRAE 62.1 requirements for Mold Growth, Humidity & Erosion, tested per UL 181 and ASTM 1338 standards. Unit can be configured with canister humidifier and/or reheat and various sensor options. 2.1.1 Air-Cooled Unit The air-cooled unit includes the evaporator coil, condenser coil, compressor, all refrigerant piping, R-407C unit charge, hot gas bypass, filter drier, high head pressure switch, two-speed direct-drive blower assembly, microprocessor control with wall-mounted control box and factory-mounted disconnect switch. MM2CF is a centrifugal blower box with a fan speed controlled motor that ships separately and field-mounts on the cabinet to provide condenser head pressure control down to -20°F (-29°C) ambient. 2.1.2 Water/Glycol-Cooled Unit The water/glycol-cooled unit includes the evaporator coil, coaxial condenser, compressor, all internal refrigerant and water/glycol piping, R-407C unit charge, hot gas bypass, filter drier, high head pressure switch, two-speed direct-drive blower assembly, microprocessor control with wall-mounted control box and factory-mounted disconnect switch. 2.1.3 Chilled Water Unit The chilled water unit includes the chilled water coil, two-speed, direct-drive centrifugal blower, two-way, slow-close solenoid, spring-return valve and factory-mounted disconnect switch. Design pressure is 300psi (2068 kPa) with a 25psi (172 kPa) close-off differential. 2.2 Evaporator Section—Split Systems The split-system evaporator is designed for ceiling installation. The cabinet and chassis are constructed of heavy gauge galvanized steel. The unit can be serviced using only one side increasing its versatility in mounting locations. Mounting brackets are factory-attached to the cabinet. Internal cabinet insulation meets ASHRAE 62.1 requirements for Mold Growth, Humidity & Erosion, tested per UL 181 and ASTM 1338 standards. The evaporator section includes the evaporator coil, R-407C unit charge, filter drier, two-speed direct-drive blower assembly, microprocessor control with wall-mounted control box and factory-mounted disconnect switch. Unit can be configured with canister humidifier and/or reheat and various sensor options. 2.3 Condensing Unit Section—Split System The outdoor prop fan condensing unit includes compressor, condenser coil, R-407C unit charge, prop fan, liquid-line solenoid valve, high-pressure switch, Liebert Lee-Temp™ head pressure control and hot gas bypass. Condensing unit is designed for outdoor locations with operating ambients ranging from -30°F to 95°F (-34°C to 35°C). 2.4 System Controls System controls include a microprocessor control board mounted in the cooling unit and a wall-mounted interface with a two-line, 16-character liquid crystal display. An eight-key, membrane keypad for setpoint/program control, unit On/Off, fan speed and alarm silence is below the LCD screen. It provides temperature setpoint and sensitivity adjustment, humidity setpoint and sensitivity adjustment, digital display of temperature, humidity, setpoints, sensitivities, fan speed and alarm conditions. 2 Liebert® Mini-Mate2™ Standard Features—1 & 1.5 Ton Systems The wall-box is field-wired to the microprocessor control using standard four-conductor thermostat wire (field-supplied). The temperature and humidity sensors are in the wall box, which can be installed up to 300 feet (91.4m) from the evaporator unit. The unit-mounted control board also includes common alarm terminals and shutdown terminals. The unit automatically restarts after a power failure. Figure 1 2.4.1 Wall-mounted display box Other Standard Control Features • Adjustable auto restart • Calibrate sensors • 5 day/2 day setback • Predictive humidity control • Password protection • Common alarm output • Alarm enable/disable • Remote shutdown terminals • Self-diagnostics 3 Liebert® Mini-Mate2™ Optional Factory-Installed Features—Self-Contained and Evaporator Units 3.0 OPTIONAL FACTORY-INSTALLED FEATURES—SELF-CONTAINED AND EVAPORATOR UNITS 3.1 Reheat Electric reheat includes 304/304 stainless steel finned tubular reheat elements for added durability and corrosion resistance with a high limit safety switch. SCR Reheat provides tight temperature control by rapidly pulsing the 304/304 stainless steel reheat elements in small increments. A solid state relay is factory-installed and wired to the microprocessor control. The compressor is locked On, with the reheat modulated to track the load. Not available on chilled water, free-cooling or other reheat options. Hot Water Reheat includes a hot water coil, two-way solenoid valve and Y-strainer. Available only on chilled water units; not available with other reheat options. Hot Gas Reheat can be ordered on self-contained models. This option includes the coil and necessary piping and the control valve. This option is not available with chilled water, free-cooling or other reheat options. Hot gas reheat operates only during dehumidification and cannot be used for space heating. 3.2 Humidifier The Canister Humidifier includes a steam-generating type humidifier with automatic flushing circuit, inlet strainer, drain, 1" (25.4mm) air gap on fill line and solenoid valves. Humidifier problem alarm annunciates at the wall-mounted display panel. Remote Humidifier Contact allows the unit’s humidity controller to control a humidifier outside the unit. Power to operate the remote humidifier does not come from the Liebert Mini-Mate2. Available on units with or without internal humidifier. 3.3 Sensors Smoke Sensor checks return air, shuts down the unit upon sensing smoke and activates visual and audible alarms at the wall-box display. This smoke sensor is not intended to function as or replace any smoke sensor system that may be required by local or national codes. High-Temperature Sensor senses the return air temperature and shuts down unit if the temperature reaches 125°F (52°C). This device is not meant to replace any fire detection system that may be required by local or national codes. 3.4 Switches Filter Clog senses pressure drop across the filters and activates visual and audible alarms at the wall-box display. The wall-box display annunciates the alarm and flashes a notification upon reaching a customer setpoint. A Factory-Installed Non-Fused Disconnect Switch allows the unit to be turned off for maintenance. A disconnect switch is standard for the evaporators, chilled water units and indoor condensing units, but these units may be specified without the switch. 4 Liebert® Mini-Mate2™ Optional Factory-Installed Features—Self-Contained and Evaporator Units 3.5 Free-Cooling Free-cooling option includes separate cooling coil, three-way, slow-close valve and separate supply and return piping. Free-cooling is activated when the water temperature reaches a field-adjustable temperature, typically 45°F (7°C). The valve is rated for 300psi (2068kPa) working pressure. Air-cooled units can be specified with free-cooling coils, allowing chilled water to be the primary cooling and the air-cooled section to be the backup. Water/glycol units have two sets of piping, each with three-way water regulating valves, increasing options of free-cooling sources, such as external chilled water or glycol from a drycooler loop (see Figure 2). The free-cooling coil is designed for closed-loop applications using properly treated and circulated fluid. Not available with SCR reheat options. NOTE If free-cooling is applied to an open water tower, a heat exchanger must separate the tower water from the free-cooling loop. Figure 2 Free cooling option—example Drycooler A free-cooling coil allows the system to take advantage of a primary chilled water source or colder water/glycol temperatures available during colder outdoor temperatures. When the fluid temperature goes below 45°F (7.2°C), cooling switches to free-cooling operation, bypassing compressor operation. Liebert Mini-Mate2 Free Cooling Coil Water Temperature Sensor Water/Glycol Condenser Field Piping 3.6 Optional Configuration—Prop Fan Condensing Units Outdoor Prop Fan Condensing Units are also available in the following optional configurations: • Condenser coils can be phenolic-coated for extended coil life in coastal areas. 3.7 Optional Configurations—Water/Glycol-Cooled Units Water/glycol-cooled units are also available with the following piping options: • Two-way water regulating valve with 350 psi (2413kPa) design pressure. • Three-way water regulating valve with 150psi (1034kPa) design pressure. • Three-way water regulating valve with 350psi (2413kPa) design pressure. 3.8 Optional Configuration—Chilled Water Units Chilled water units are available with the following valve option: • Three-way, slow-close, motorized chilled water valve rated for 300psi (2068kPa) working pressure. Valve is non-spring return. 5 Liebert® Mini-Mate2™ Ship-Loose Accessories—Field-Installed 4.0 SHIP-LOOSE ACCESSORIES—FIELD-INSTALLED Supply and Return Grille Kit includes supply and return grilles, 1" x 20" x 20" (25mm x 508mm x 508mm) MERV 8 rated filter to ASHRAE 52.2-2007, for installation into a 2ft. x 4ft. (610mm x 1220mm) ceiling grid. Duct Kit includes return air filter box with 1" duct collar, 1" duct collar for supply air, and air blockoff plates. Duct kit is supplied with a 4" x 16" x 20" (102mm x 406mm x 508mm) MERV 8 filter (based on ASHRAE 52.2-2007) Duct Collar Kit (no filter) includes 1" supply duct collar, a 1" return collar and the necessary block-off plates to make the Liebert Mini-Mate2 a ducted configuration. Filter box and filter are not included. Condensate Pump is field-mounted on the outside of the cabinet, wired to the unit power block and is equipped with a discharge check valve. A secondary float is field-wired to shut down the unit upon high condensate level. Power can be obtained from the Liebert Mini-Mate2 electrical panel. Pre-Charged Refrigerant Line Set (R-407C) contains an insulated copper suction line and a copper liquid line for interconnection of the indoor and outdoor sections. Available in 15-foot (4.5m) and 30-foot (9m) sections. Refrigerant-Line Sweat Adapter Kit contains two suction and two liquid line fittings that allow field-supplied refrigerant piping between the evaporator and condensing unit. A Remote Temperature and Humidity Sensor package includes sensors in an attractive case with 30 ft. (9m) of cable. Can be wall- or duct-mounted. Remote sensors should be used when the wall box is not located in the space to be conditioned. NOTE Installing the remote sensors disables the sensors included in the wall box. Field-Installed Kits available for filter clog, smoke sensor, high-temperature sensor, electric reheat and humidifier. The kits include installation instructions and are designed to be added to the evaporator unit before it is installed in the ceiling. Electric reheat kits cannot be installed in units with free-cooling. 4.1 Remote Monitoring, Autochangeover and Leak Detection Equipment The Liebert RCM4™ is a four-point, normally open, dry contact monitoring panel. One Form-C, dry contact common alarm relay output (rated at 24 VAC, 3 Amp) is provided. Four red LEDs illuminate on the respective alarm and the alarm buzzer is silenced by a front panel switch. The RCM4 requires a 24VAC or 24VDC power source. Power supply is not included. The Liebert AC4™ Autochangeover Controller provides autochangeover and autosequence control for up to four Liebert Mini-Mate2 units within a room. The Liebert AC4 will enable redundant units in an alarm condition, balance usage and test standby units at programmed intervals. Two common alarm relay outputs are available. A built-in LCD and RS-232 port for direct PC/terminal connection provides two options for configuration and monitoring of the product. The Liebert AC4 requires 24VAC input power. The Liebert AC8™ is ideal for coordinated control of systems with redundant units. The Liebert AC8 enables redundant devices during an alarm condition, balances usage of devices and tests standby devices at programmable intervals. Supports four zones and can use the 4-20mA temperature sensor (TW420) for temperature staging in each zone. Two programmable output control relays are available for auxiliary control such as humidity lockout. Emergency power operation input provided for device control during an emergency. Two common alarm relay outputs are available. A built-in LCD and RS-232 port for direct PC/terminal connection provides two options for configuration and monitoring of the product. Liebert® Mini-Mate2™ 6 Ship-Loose Accessories—Field-Installed The Liebert ENV-DO™ interface card provides 16 discrete outputs, corresponding to status and major alarm conditions of Environmental units. The Liebert ENV-DO-ENCL1 packages one Environmental DO interface card in its own steel enclosure and the ENV-DO-ENCL2 packages two Environmental DO interface cards in one enclosure for installation external to the Liebert Mini-Mate2™. The self-contained kit includes an external 120VAC-to-24VAC power transformer. Wiring harnesses are not provided. Power and communication wiring is field-provided. The Liebert Liqui-tect® 410 Point Leak Detection Sensor detects the presence of conductive liquid using a pair of corrosion-resistant, gold-plated probes mounted in a painted, height-adjustable enclosure. Dual Form-C, dry contact common alarm relays (rated at 24VAC, 3A) signal a leak detected as well as loss of power and cable fault. The Liebert Liqui-tect 410 requires an external 24VAC or 24VDC power source. Liebert LT460 Zone Leak Detection Kits include one LT460 sensor, a specified length of LT500-xxY cable (maximum length is 100 ft [30.5m]) and a corresponding number of hold-down clips. The Liebert LT460 requires an external 24VAC, 0.12A power source, such as EXT-XFMR or XFMR24. Liebert SiteScan® is a monitoring solution that gives you decision-making power to effectively manage the equipment critical to your business. Liebert SiteScan enables communication from Liebert environmental and power units, as well as many other pieces of analog or digital equipment, to a front-end software package that provides real-time status and alarms so you can react quickly to changing situations. Liebert SiteScan is designed with flexibility for both small systems and large, complex systems such as those in computer rooms, telecommunications facilities or industrial process control rooms. Contact your local Emerson representative for assistance with a Liebert SiteScan system. The NIC-ENCL1 and NIC-ENCL2 package one or two Liebert IntelliSlot® Web/485 Cards with Adapters, respectively, in one steel enclosure for installation external to the Liebert Mini-Mate2. The Liebert IntelliSlot Web/485 Card with Adapter provides communication with Liebert Mini-Mate2 via SNMP, HTTP, RTU Modbus 485 and BACnet IP. The self-contained kit includes an external 120VAC-to-24VAC transformer as a power source. Wiring harnesses are not provided. Power and communication wiring are field-provided. 7 Liebert® Mini-Mate2™ Flexible Configurations 5.0 FLEXIBLE CONFIGURATIONS Figure 3 Flexible configurations Self-Contained Air-Cooled Ducted Self-Contained Air-Cooled Grille Water-Cooled Ducted Water-Cooled Grille Glycol System Grille Glycol System Ducted Chilled Water Grille Chilled Water Ducted Liebert® Mini-Mate2™ 8 Air-Cooled Systems—Capacities and Dimensions 6.0 Table 1 AIR-COOLED SYSTEMS—CAPACITIES AND DIMENSIONS Air-cooled data, 60Hz MMD12A MMD12E MMD18A MMD18E Self-Contained Split System Self-Contained Split System 3.70 (12,600) 3.60 (12,300) 3.50 (12,000) 3.25 (11,100) 3.45 (11,700) 3.00 (10,200) 4.25 (14,400) 3.95 (13,500) 4.00 (13,700) 3.55 (12,100) 3.90 (13,300) 3.25 (11,100) 5.55 (18,900) 5.30 (18,100) 5.30 (18,100) 4.75 (16,300) 5.15 (17,600) 4.40 (15,000) 5.65 (19,300) 5.35 (18,300) 5.40 (18,500) 4.85 (16,500) 5.25 (18,000) 4.45 (15,200) Evaporator Model Cabinet Type DX Evaporator- Net Capacity Data - kW (Btu/hr) @ High Speed CFM Total 80°F DB, 62.8°F WB (26.7°C DB, 17.1°C WB) 38% RH Sensible Total 75°F DB, 61°F WB (23.9°C DB, 16.1°C WB) 45% RH Sensible Total 72°F DB, 60°F WB (22.2°C DB, 15.5°C WB) 50% RH Sensible Fan Data - Evaporator CFM (CMH) - High Speed CFM (CMH) - Low Speed Fan Motor hp (W) External Static Pressure, in. (mm) water gauge Evaporator Coil - Copper Tube/Aluminum Fin Face Area ft.2 (m2) Coil Rows Max Face Velocity-fpm (m/s) Unit Refrigerant Charge, oz. (kg) Unit Operating Weight Electric & SCR Reheat Capacities (Includes Fan Motor)-kW (Btu/hr) Input Voltage 208-1-60 Input Voltage 230-1-60 Input Voltage 277-1-60 Hot Gas Reheat Capacities - kW (Btu/hr) * Based on 103°F (39.4°C) return gas temperature Humidifier Data - Steam Generator Type Steam capacity - lb./hr (kg/hr) Electrical Input Power - kW Evaporator Connection Sizes Liquid line Diameter - Aeroquip Coupling Size Suction Line Diameter - Aeroquip Coupling Size Humidifier Supply Evaporator/Condensate Drain MERV 8 Filter, Supply/Return Grille, qty. (1), Nom. Size-in. (mm) MERV 8 Filter, Return Air Filter Box, qty. (1), Nom. Size-in. (mm) 600 (1019) 480 (816) 0.2 (149) 0.3 (8) 750 (1274) 600 (1019) 0.2 (149) 0.3 (8) 2.44 (0.23) 2 232 (1.2) 2.44 (0.23) 3 291 (1.5) 42 (1.19) 265 (120) 3 (0.09) 220 (100) 49 (1.39) 300 (136) 3.6 (12160) 4.4 (14875) 4.8 (16285) 4.7 (16050) 3.6 (12160) 4.4 (14875) 4.8 (16285) N/A 4.7 (16050) 2.5 (1.14) 0.88 3/8" - #6 Female 5/8" - #11 Female 1/4" OD Cu Compression Fitting 3/4" NPT-Female 1x20x20 (25x508x508) 1x16x20 (25x406x508) Condenser Fan Model Number N/A 2.5 (1.14) 0.88 N/A Condensing Unit Model Number 4 (0.11) 225 (102) 3/8" - #6 Female 5/8" - #11 Female 1/4" OD Cu Compression Fitting 3/4" NPT-Female N/A 1x20x20 (25x508x508) 1x16x20 (25x406x508) N/A PFH014A-_L7 N/A PFH020A-_L7 MM2CF N/A MM2CF N/A 2.25 (0.21) 4.1 (0.38) 2.25 (0.21) 4.1 (0.38) Condenser Coil Face Area ft.2 (m2) Rows of Coil 3 2 3 2 CFM (CMH) 950 (1614) 2200 (3738) 950 (1614) 2200 (3738) Motor hp (W) 0.25 (186) 0.20 (149) 0.25 (186) 0.20 (149) External Static Pressure, in wg. (mm) 0.5 (13) N/A 0.5 (13) N/A Condensing Unit Refrigerant Charge, oz. (kg) N/A 134 (3.8) N/A 134 (3.8) Unit Operating Weight, lb. (kg) 63 (29) 200 (91) 63 (29) 200 (91) Free-Cooling Coil Option Net Capacity Data - kW (Btu/hr) using 45°F EWT Total 3.70 (12,600) 4.25 (14,500) 80°F DB, 62.8°F WB (26.7°C DB, 17.1°C WB) 38% RH Sensible 3.70 (12,600) 4.25 (14,500) Total 3.15 (10,800) 3.60 (12,300) 75°F DB, 61°F WB (23.9°C DB, 16.1°C WB) 45% RH Sensible 3.10 (10,600) 3.60 (12,300) Total 2.85 (9,700) 3.25 (11,100) 72°F DB, 60°F WB (22.2°C DB, 15.5°C WB) 50% RH Sensible 2.75 (9,300) 3.15 (10,800) Flow Rate - GPM (l/m) 2.3 (8.7) 2.6 (9.9) Pressure Drop - ft. water (kPa) 5.2 (15.5) 6.6 (19.7) Free-Cooling Coil - Copper Tube/Aluminum Fin 2.44 (0.23) 2.44 (0.23) Face Area ft.2 (m2) Coil Rows 2 2 Max Face Velocity-fpm (m/s) 232 (1.2) 291 (1.5) Internal Fluid Volume - gal (l) 1.7 (6.4) 1.7 (6.4) Water supply and return connections, in. (mm) OD 5/8 (15.9) 5/8 (15.9) The net capacity data has fan motor heat factored in for all ratings and the entering air conditions of 75°F (23.9°C), 45% RH, is the standard rating condition for ASHRAE 127-2007. All capacities are nominal values; actual performance will be ±5%. * Hot Gas Reheat operates only during dehumidification. Capacity shown is offset by cooling capacity; cannot be used for space heating and is for reference only. Liebert® Mini-Mate2™ 9 Air-Cooled Systems—Capacities and Dimensions Figure 4 General arrangement—self contained air-cooled system High Pressure Switch Compressor Condenser Coil External Equalizer Filter Drier Sensing Bulb Hot Gas Bypass Solenoid Valve Evaporator Coil Hot Gas Bypass Control Valve Expansion Valve DPN000168 Rev. 0 Figure 5 Free-cooling coil arrangement, air-cooled units Bleed Valve Fluid Supply Shutoff Valve * Fluid Return Free Cooling Control Valve Free Cooling Coil Temperature Stat FIELD PIPING FACTORY PIPING DPN000169 Rev. 2 Hose Bibs * Liebert® Mini-Mate2™ 10 Air-Cooled Systems—Capacities and Dimensions Figure 6 General arrangement—Self-contained air-cooled unit with hot gas reheat High Pressure Switch Solenoid Valve Provided With Optional Hot Gas Reheat Check Valve Compressor Condenser Coil External Equalizer Filter Drier Sensing Bulb Hot Gas Reheat Coil (Optional) Hot Gas Bypass Control Valve Expansion Valve NOTE: Hot gas reheat is available only on self-contained “DX” modules. Air-cooled piping shown, also available on water and glycol models. Figure 7 Coaxial condenser not shown Hot Gas Bypass Solenoid Valve DPN000169 Rev. 2 Evaporator Coil General arrangement—Split systems with air-cooled condensing units Compressor Liquid Injection Valve Bulb Condenser Coil High Pressure Switch Hot Gas Bypass Solenoid Valve 3/8" SAE 45° Male Flare (MCD) or Atmospheric (PFH) Pressure Relief Valve Suction Line Male Quick Connect Coupling Suction Line Female Quick Connect Coupling * Sensing Bulb Liquid Injection Valve External Equalizer 3-Way Head Pressure Control Valve Hot Gas Bypass Control Valve Liquid Line Solenoid Valve Service Access Ports * Filter Drier Expansion EEValve Liquid Line Male Quick Connect Coupling Liquid Line Female Quick Connect Coupling FIELD PIPING FACTORY PIPING Pressure Balancing Valve Lee - Temp Receiver * Use Liebert sweat adapter kit with field hard piping or use Liebert pre-charged line set. DPN000165 Rev. 1 Evaporator Coil Liebert® Mini-Mate2™ Sight Glass Check Valve 11 Air-Cooled Systems—Capacities and Dimensions Figure 8 Dimensions—Air-cooled, self-contained and split systems Threaded Rod Centers Left End 56"(1422mm) Threaded Rod Centers " 2 7 m) m 6 (68 Condenser blower box location for Self-Contained, Air-Cooled Units only. See Figure 11 for dimensions. Removable Access Panels Customer-supplied threaded rods for module support from ceiling (typ. 4) 3/8" (10mm) holes for module rigging. (typ. 2 each end) 1" (25.4mm) 22" (559mm) Threaded Unit hanging Rod Centers supports Right End Shaded area indicates a recommended clearance of 24" (610mm) for component access and removal 58" (1473mm) Overall Dimension Access Panel for Blower/Motor located on the bottom of the unit. Allow a Evaporator Supply minimum clearance of 9" (229mm) (ducted only) below unit for access to Blower/Motor. 30" 54" (782mm) (1371mm) Condenser Inlet duct Cabinet Cabinet connection for Dimension Dimension Self-Contained, Air-Cooled Unit only. 1" (25.4mm) flange 16-3/4" (425mm) 30" FRONT (762mm) OF UNIT Overall Dimension Evaporator Return (ducted only) 14-1/2" (368mm) 11" (279mm) 20" (508mm) Cabinet Dimension 1-7/8" (48mm) 4-7/8" (124mm) 3-1/16" (78mm) 7-1/2" (190mm) Table 2 14" (356mm) 15" (381mm) 3-1/4" (82mm) Unit net weights—Air-cooled units Model # 60Hz 50Hz Net Weight lb (kg) MM*12E MM*12A MM*18E 220 (100) NA MM*18A 265 (120) 225 (102) 300 (136) Source: DPN000172, Rev. 5 Liebert® Mini-Mate2™ 12 3-3/8" (86mm) 18" (457mm) BACK OF UNIT DPN000172 Rev. 5 Air-Cooled Systems—Capacities and Dimensions Figure 9 Dimensions—Return filter box, all systems 20-1/4" (514mm) 7-5/8" (194mm) 8" (203mm) 2-1/4" (57mm) 14" (357mm) 16" (406mm) 1-1/4" (32mm) 3/4" (19mm) Flange 18" (457mm) 1" (25.4mm) Shaded area indicates a recommended clearance of 30" (762mm) for component access and removal. DPN000173 Rev. 1 Figure 10 Dimensions—Supply/return grille kit, all systems Cabinet dimensions same as DPN000172 Front of Unit 2" (51mm) One Way Air Return to Unit 5" (127mm) Liebert® Mini-Mate2™ Removable for filter access and removal. 13 Three-Way Unit Discharge 1" (25.4mm) DPN000173 Rev. 1 Air-Cooled Systems—Capacities and Dimensions Figure 11 Dimensions—Condenser fan module 20" (508mm) High & Low Voltage Wire Harness see unit schematic for wiring. 4-11/16" (119mm) Blower Motor & Controller access cover 17-1/4" (438mm) Blower & Motor Assembly Fan Speed Controller 12" (305mm) Capillary tube from fan speed controller Screw onto access valve in discharge line (inside ceiling unit). Shaded area indicates a recommended clearance of 24" (610mm) for component access and removal. 5-1/4" (133mm) 12" (305mm) 18-5/8" (473mm) DPN000159 Rev. 6 Table 3 Net weight, condenser fan module Model # Net Weight, lb (kg) MM2CF 63 (29) Source: DPN000159, Rev. 6 Liebert® Mini-Mate2™ 14 Air-Cooled Systems—Capacities and Dimensions Figure 12 Dimensions—Air-cooled systems, outdoor condensing unit Fan Rotation CCW (left side) Removable (right) panel for access to refrigeration component A Right Air Discharge Left Air Intake B Shaded area indicates a recommended clearance of 24" (610mm) for component access and removal. C Shaded area indicates a minimum clearance of 18" (457mm) for proper air flow Table 4 Shaded area indicates a minimum clearance of 18" (457mm) for proper air flow. Removable panel for access to high-voltage and low-voltage connections and refrigeration components DPN000130 Rev. 1 Dimensions and weight—Air-cooled systems, outdoor condensing unit Model Numbers 60Hz PFH014A-L PFH020A-L Dimensions, in. (mm) 50Hz A B C Module Net Weight, lb. (kg) NA 40 (1016) 23-1/2 (597) 18 (457) 200 (91) Source: DPN000130, Rev. 1 Liebert® Mini-Mate2™ 15 Water/Glycol Systems—Capacities and Dimensions 7.0 Table 5 WATER/GLYCOL SYSTEMS—CAPACITIES AND DIMENSIONS Water/Glycol data, 60Hz MMD14W Evaporator Model (Self-Contained) MMD20W Water-Cooled Glycol-Cooled Water-Cooled Glycol-Cooled Condensing Unit Fluid DX Evaporator- Net Capacity Data - kW (Btu/hr) @ High Speed CFM 80°F DB, 62.8°F WB (26.7°C DB, Total 4.05 (13,800) 3.50 (11,900) 6.40 (21,800) 5.20 (17,800) 17.1°C WB) 38% RH Sensible 3.85 (13,100) 3.45 (11,800) 5.80 (19,800) 5.10 (17,400) 75°F DB, 61°F WB (23.9°C DB, Total 3.85 (13,100) 3.30 (11,300) 6.15 (21,000) 5.00 (17,000) 16.1°C WB) 45% RH Sensible 3.45 (11,800) 3.10 (10,600) 5.20 (17,700) 4.55 (15,600) 72°F DB, 60°F WB (22.2°C DB, Total 3.80 (12,900) 3.20 (11,000) 6.00 (20,500) 4.85 (16,600) 15.5°C WB) 50% RH Sensible 3.15 (10,800) 2.90 (9,800) 4.80 (16,400) 4.10 (14,000) Fan Data - Evaporator CFM (CMH) - High Speed 600 (1019) 750 (1274) CFM (CMH) - Low Speed 480 (816) 600 (1019) Fan Motor hp (W) 0.2 (149) 0.2 (149) External Static Pressure, in. (mm) water gauge 0.3 (8) 0.3 (8) Evaporator Coil - Copper Tube/Aluminum Fin 2.44 (0.23) 2.44 (0.23) Face Area ft.2 (m2) Coil Rows 2 3 Max Face Velocity-fpm (m/s) 232 (1.2) 291 (1.5) Unit Refrigerant Charge, oz. (kg) 27 (0.77) 34 (0.96) Unit Operating Weight 260 (118) 295 (134) Electric & SCR Reheat Capacities (Includes Fan Motor)-kW (Btu/hr) Input Voltage 208-1-60 3.6 (12160) 3.6 (12160) Input Voltage 230-1-60 4.4 (14875) 4.4 (14875) Input Voltage 277-1-60 4.8 (16285) 4.8 (16285) Hot Gas Reheat Capacities - kW (Btu/hr) * Based on 103°F (39.4°C) return gas temperature 4.7 (16050) 4.7 (16050) Humidifier Data - Steam Generator Type Steam capacity - lb./hr (kg/hr) 2.5 (1.14) 2.5 (1.14) Electrical Input Power - kW 0.88 0.88 Unit Connection Sizes Water/Glycol Condenser Connection Sizes, in. (mm) OD 1/2 (12.7) 1/2 (12.7) Humidifier Supply 1/4" OD Cu Compression Fitting 1/4" OD Cu Compression Fitting Evaporator/Condensate Drain 3/4" NPT-Female 3/4" NPT-Female MERV 8 Filter, Supply/Return Grille, qty. (1), 1x20x20 (25x508x508) 1x20x20 (25x508x508) Nom. Size - in. (mm) MERV 8 Filter, Return Air Filter Box, qty. (1), 1x16x20 (25x406x508) 1x16x20 (25x406x508) Nom. Size - in. (mm) 85°F (29.4°C) 110°F (43.3°C) 85°F (29.4°C) 110°F (43.3°C) Condenser Fluid Requirements EWT EGT - 40% PG EWT EGT - 40% PG THR - kW (Btu/hr) @ 75°F/45% RH 5.15 (17,500) 4.80 (16,400) 7.85 (26,700) 7.35 (25,000) Flow Rate - GPM (l/m) 1.5 (5.7) 2.6 (9.9) 3.3 (12.5) 4.6 (17.4) 1.9 (5.7) 5.3 (15.8) 7.0 (20.9) 14.1 (42.2) Pressure Drop - ft. of H20 (kPa) Water-Cooled Condensing Temperature 105°F (40.6°C) NA 105°F (40.6°C) NA Water/Glycol Condenser Loop Volume - gal (l) 0.5 (1.9) 0.5 (1.9) Free-Cooling Coil Option Net Capacity Data - kW (Btu/hr) using 45°F EWT Total 3.70 (12,600) 2.80 (9,600) 4.25 (14,500) 3.55 (12,100) 80°F DB, 62.8°F WB (26.7°C DB, 17.1°C WB) 38% RH Sensible 3.70 (12,600) 2.80 (9,600) 4.25 (14,500) 3.55 (12,100) Total 3.15 (10,800) 2.35 (8,100) 3.60 (12,300) 3.00 (10,200) 75°F DB, 61°F WB (23.9°C DB, 16.1°C WB) 45% RH Sensible 3.10 (10,600) 2.35 (8,100) 3.60 (12,300) 3.00 (10,200) Total 2.85 (9,700) 2.10 (7,200) 3.25 (11,100) 2.65 (9,100) 72°F DB, 60°F WB (22.2°C DB, 15.5°C WB) 50% RH Sensible 2.75 (9,300) 2.10 (7,200) 3.15 (10,800) 2.65 (9,100) Flow Rate - GPM (l/m) 2.3 (8.7) 2.6 (9.9) 2.6 (9.9) 4.6 (17.4) Pressure Drop - ft. water (kPa) 5.2 (15.5) 9.9 (29.6) 6.6 (19.7) 29.0 (86.7) Free-Cooling Coil - Copper Tube/Aluminum Fin 2.44 (0.23) 2.44 (0.23) Face Area ft.2 (m2) Coil Rows 2 2 Max Face Velocity-fpm (m/s) 232 (1.2) 291 (1.5) Internal Fluid Volume - gal (l) 1.7 (6.4) 1.7 (6.4) Free-Cooling Coil supply and return connections, 5/8 (15.9) 5/8 (15.9) in. (mm) OD The net capacity data has fan motor heat factored in for all ratings and the entering air conditions of 75°F (23.9°C), 45% RH, is the standard rating condition for ASHRAE 127-2007. All capacities are nominal values; actual performance will be ±5%. * Hot Gas Reheat operates only during dehumidification. Capacity shown is offset by cooling capacity; cannot be used for space heating and is for reference only. Liebert® Mini-Mate2™ 16 Water/Glycol Systems—Capacities and Dimensions Figure 13 General arrangement—Self-contained water/glycol-cooled system High Pressure Switch Compressor Tube-in-Tube Condenser External Equalizer Evaporator Coil Tube-in-Tube Condenser Water/Glycol Return Line Filter Drier Sensing Bulb Water/Glycol Supply Line Fluid Return Hot Gas Bypass From Unit Solenoid Valve Hot Gas Bypass Control Valve Fluid Supply To Unit Expansion Shut- Off * Valve Valve Shutoff 2-Way Water Valve * Regulating Valve Hose Bibs * FIELD PIPING Fluid Return From Unit FACTORY PIPING * Components are not supplied by Emerson, but are recommended for proper circuit operation and maintenance. DPN000166 Rev. 1 Fluid Supply To Unit Figure 14 Free-cooling coil arrangement—Water/glycol-cooled units Bleed Valve Fluid Supply Shutoff Valve * Fluid Return Free Cooling Control Valve Free Cooling Coil Temperature Stat FIELD PIPING FACTORY PIPING DPN000169 Rev. 2 Hose Bibs * Liebert® Mini-Mate2™ 17 3 - Way Water Regulating Valve (Optional) Water/Glycol Systems—Capacities and Dimensions Figure 15 General arrangement, Self-contained water/glycol-cooled unit with hot gas reheat High Pressure Switch Solenoid Valve Provided With Optional Hot Gas Reheat Check Valve Compressor Condenser Coil External Equalizer Filter Drier Sensing Bulb Hot Gas Reheat Coil (Optional) NOTE: Hot gas reheat is available only on self-contained “DX” modules. Air-cooled piping shown, also available on water and glycol models. Liebert® Mini-Mate2™ Hot Gas Bypass Solenoid Valve Coaxial condenser not shown Hot Gas Bypass Control Valve Expansion Valve DPN000169 Rev. 2 Evaporator Coil 18 Water/Glycol Systems—Capacities and Dimensions Figure 16 Dimensions - Water/glycol self-contained units Threaded Rod Centers Left End 56"(1422mm) Threaded Rod Centers " 2 7 m) m 6 (68 Condenser blower box location for Self-Contained, Air-Cooled Units only. See Figure 11 for dimensions. Removable Access Panels Customer-supplied threaded rods for module support from ceiling (typ. 4) 3/8" (10mm) holes for module rigging. (typ. 2 each end) 1" (25.4mm) 22" (559mm) Threaded Unit hanging Rod Centers supports Right End Shaded area indicates a recommended clearance of 24" (610mm) for component access and removal 58" (1473mm) Overall Dimension Access Panel for Blower/Motor located on the bottom of the unit. Allow a Evaporator Supply minimum clearance of 9" (229mm) (ducted only) below unit for access to Blower/Motor. 30" 54" (782mm) (1371mm) Condenser Inlet duct Cabinet Cabinet connection for Dimension Dimension Self-Contained, Air-Cooled Unit only. 1" (25.4mm) flange 16-3/4" (425mm) 30" FRONT (762mm) OF UNIT Overall Dimension Evaporator Return (ducted only) 14-1/2" (368mm) 11" (279mm) 20" (508mm) Cabinet Dimension 1-7/8" (48mm) 4-7/8" (124mm) 3-1/16" (78mm) 7-1/2" (190mm) Table 6 14" (356mm) 15" (381mm) 3-1/4" (82mm) 3-3/8" (86mm) 18" (457mm) BACK OF UNIT Unit net weights—Water/glycol self-contained units Model Numbers 60Hz 50Hz MM*14W N/A MM*20W Net Weight, lb (kg) 260 (118) 295 (134) Source: DPN000172, Rev. 5 Liebert® Mini-Mate2™ 19 DPN000172 Rev. 5 Water/Glycol Systems—Capacities and Dimensions Figure 17 Dimensions—Return filter box, all systems 20-1/4" (514mm) 7-5/8" (194mm) 8" (203mm) 2-1/4" (57mm) 14" (357mm) 16" (406mm) 1-1/4" (32mm) 3/4" (19mm) Flange 18" (457mm) 1" (25.4mm) Shaded area indicates a recommended clearance of 30" (762mm) for component access and removal. DPN000173 Rev. 1 Figure 18 Dimensions—Supply/return grille kit, all systems Cabinet dimensions same as DPN000172 Front of Unit 2" (51mm) One Way Air Return to Unit 5" (127mm) Liebert® Mini-Mate2™ Removable for filter access and removal. 20 Three-Way Unit Discharge 1" (25.4mm) DPN000173 Rev. 1 Chilled Water Systems—Capacities and Dimensions 8.0 Table 7 CHILLED WATER SYSTEMS—CAPACITIES AND DIMENSIONS Chilled water data, 50/60Hz Model Number, 50 & 60 Hz MMD23C/MMD22C Net Capacity Data - kW (Btu/hr) based on 45°F (7.2°C) EWT & 10°F (5.6°C) temp. rise Total 4.85 (16,400) 80°F DB, 62.8°F WB (26.7°C DB, 17.1°C WB) 38% RH Sensible 4.80 (16,300) Flow Rate - GPM (l/m) 3.4 (12.9) Pressure Drop - ft. water (kPa) 10.7 (32.0) Total 3.85 (13,100) 75°F DB, 61°F WB (23.9°C DB, 16.1°C WB) 45% RH Sensible 3.80 (13,000) Flow Rate - GPM (l/m) 2.8 (10.6) Pressure Drop - ft. water (kPa) 7.2 (21.5) Total 3.20 (11,000) 72°F DB, 60°F WB (22.2°C DB, 15.5°C WB) 50% RH Sensible 3.20 (10,900) Flow Rate - GPM (l/m) 2.3 (8.7) Pressure Drop - ft. water (kPa) 5.3 (15.8) Fan Data - Evaporator CFM (CMH) - High Speed CFM (CMH) - Low Speed Fan Motor hp (W) External Static Pressure, in. (mm) water gauge 750 (1274) 600 (1019) 0.2 (149) 0.3 (8) CW Coil - Copper Tube/Aluminum Fin Face Area ft.2 (m2) Coil Rows Max Face Velocity-fpm (m/s) 2.44 (0.23) 2 291 (1.5) Electric Reheat Capacity (Includes Fan Motor)-kW (Btu/hr) Input Voltage 208-1-60 Input Voltage 230-1-60 Input Voltage 277-1-60 Input Voltage-220-1-50 3.6 (12160) 4.4 (14875) 4.8 (16285) 4.0 (13640) Hot Water Reheat Coil - Copper Tube/Aluminum Fin Capacity (with fan motor heat) using 180°F (82°C) EWT-kW (Btu/hr) Flow Rate - GPM (l/m) Pressure Drop - ft. water (kPa) Face Area ft.2 (m2) Coil Rows HWRH supply and return connections, in. (mm) OD Humidifier Data - Steam Generator Type Steam capacity - lb./hr (kg/hr) Electrical Input Power - kW 9.5 (32,400) 1.5 (5.7) 1.5 (4.5) 2.44 (0.23) 1 5/8 (15.9) 2.5 (1.14) 0.88 Unit Connection Sizes CW supply and return connections, in. (mm) OD 5/8 (15.9) Humidifier Supply 1/4" OD Cu Compression Fitting Evaporator/Condensate Drain 3/4" NPT-Female Unit Internal Fluid Volume - gal (l) 1.7 (6.4) MERV 8 Filter, Supply/Return Grille, qty. (1), 1x20x20 (25x508x508) Nom. Size-in. (mm) MERV 8 Filter, Return Air Filter Box, qty. (1), 1x16x20 (25x406x508) Nom. Size-in. (mm) Unit Operating Weight, lb. (kg.) 220 (99.8) Unit Valve Types On/Off Slow Close - 2 & 3-Way Valve Size 1/2" Valve Cv 2.5 Max. Static Operating Pressure, psi (kPa) 300 (2068) Close-Off Pressure, psi (kPa) 25 (172) The net capacity data has fan motor heat factored in for all ratings and the entering air conditions of 75°F (23.9°C), 45% RH, is the standard rating condition for ASHRAE 127-2007. All capacities are nominal values; actual performance will be ±5%. Liebert® Mini-Mate2™ 21 Chilled Water Systems—Capacities and Dimensions Table 8 Capacity correction factors (based on 10°F (5.6°C) water rise) 72°F (22.2°C) 50% RH 75°F (23.9°C) 45% RH EWT TCC SCC TCC SCC 42°F (5.6°C) 43°F (6.1°C) 44°F (6.7°C) 45°F (7.2°C) 46°F (7.8°C) 47°F (8.3°C) 48°F (8.9°C) 49°F (9.4°C) 1.30 1.19 1.09 1.00 0.94 0.88 0.82 0.75 1.14 1.10 1.05 1.00 0.95 0.89 0.82 0.75 1.25 1.17 1.08 1.00 0.95 0.90 0.85 0.80 1.11 1.07 1.04 1.00 0.96 0.90 0.85 0.81 Figure 19 General arrangement—Self-contained chilled water units Bleed Valve Chilled Water Control Valve Chilled Water Chilled Supply Water Return Chilled Water Valve FIELD PIPING Shutoff Valves** FACTORY PIPING * * Hose Bibs ** * Field piping refers to the use of hard piping using sweat adapter kit or precharged line set. ** Components are not supplied by Emerson, but are recommended for proper circuit operation and maintenance. DPN000167 Rev. 1 Figure 20 General arrangement—Hot water reheat coil, chilled water units Bleed Valve Water Return Shutoff Valve * Hose Bibs * Water Supply Hot Water Reheat Control Valve Hot Water Reheat Coil Y-Strainer FIELD PIPING FACTORY PIPING * Components are not supplied by Emerson, but are recommended for proper circuit operation and maintenance. HOT WATER REHEAT COIL ONLY AVAILABLE ON CHILLED WATER UNITS Liebert® Mini-Mate2™ 22 DPN000169 Rev. 2 Chilled Water Systems—Capacities and Dimensions Figure 21 Dimensions—Chilled water unit Threaded Rod Centers Left End 56"(1422mm) Threaded Rod Centers " 2 7 m) m 6 (68 Condenser blower box location for Self-Contained, Air-Cooled Units only. See Figure 11 for dimensions. Removable Access Panels Customer-supplied threaded rods for module support from ceiling (typ. 4) 3/8" (10mm) holes for module rigging. (typ. 2 each end) 1" (25.4mm) 22" (559mm) Threaded Unit hanging Rod Centers supports Right End Shaded area indicates a recommended clearance of 24" (610mm) for component access and removal 58" (1473mm) Overall Dimension Access Panel for Blower/Motor located on the bottom of the unit. Allow a Evaporator Supply minimum clearance of 9" (229mm) (ducted only) below unit for access to Blower/Motor. 30" 54" (782mm) (1371mm) Condenser Inlet duct Cabinet Cabinet connection for Dimension Dimension Self-Contained, Air-Cooled Unit only. 1" (25.4mm) flange 16-3/4" (425mm) 30" FRONT (762mm) OF UNIT Overall Dimension Evaporator Return (ducted only) 14-1/2" (368mm) 11" (279mm) 20" (508mm) Cabinet Dimension 1-7/8" (48mm) 4-7/8" (124mm) 3-1/16" (78mm) 7-1/2" (190mm) Table 9 14" (356mm) 15" (381mm) 3-1/4" (82mm) 3-3/8" (86mm) 18" (457mm) BACK OF UNIT DPN000172 Rev. 5 Unit net weights—Chilled Water units Model # 60Hz 50Hz Net Weight lb (kg) MM*23C MM*22C 220 (100) Source: DPN000172, Rev. 5 23 Liebert® Mini-Mate2™ Chilled Water Systems—Capacities and Dimensions Figure 22 Dimensions—Return filter box, all systems 20-1/4" (514mm) 7-5/8" (194mm) 8" (203mm) 2-1/4" (57mm) 14" (357mm) 16" (406mm) 1-1/4" (32mm) 3/4" (19mm) Flange 18" (457mm) 1" (25.4mm) Shaded area indicates a recommended clearance of 30" (762mm) for component access and removal. DPN000173 Rev. 1 Figure 23 Dimensions—Supply/return grille kit, all systems Cabinet dimensions same as DPN000172 Front of Unit 2" (51mm) One Way Air Return to Unit 5" (127mm) Liebert® Mini-Mate2™ Three-Way Unit Discharge Removable for filter access and removal. 24 1" (25.4mm) DPN000173 Rev. 1 Electrical Data 9.0 ELECTRICAL DATA Table 10 Electrical data, self-contained air-cooled units, 60Hz Base Evaporator Model Number 208/230 - 1Ph - 60Hz 277 - 1Ph - 60Hz MM*12A MM*18A MM*12A MM*18A FLA 8.2 14.2 6.8 11.8 WSA 9.4 16.9 7.8 14.0 OPD 15 25 15 20 FLA 27.0 33.0 23.1 28.1 WSA 32.9 40.4 28.2 34.4 OPD 35 45 30 35 FLA 27.0 33.0 23.1 28.1 WSA 32.9 40.4 28.2 34.4 OPD 35 45 30 35 FLA 13.0 19.0 10.4 15.4 WSA 14.2 21.7 11.4 17.6 OPD 15 30 15 25 Cooling Only with Electric Reheat with SCR Reheat 6 with Humidifier with Electric Reheat and Humidifier FLA 27.0 33.0 23.1 28.1 WSA 32.9 40.4 28.2 34.4 OPD 35 45 30 35 with SCR Reheat and Humidifier 6 1. 2. 3. 4. 5. 6. FLA 31.8 37.8 26.7 31.7 WSA 37.7 45.2 31.8 38.0 OPD 40 50 35 40 Electrical values are not affected by hot gas reheat or free-cooling options FLA = Full Load Amps, WSA = Wire Size Amps, OPD = Maximum Overcurrent Protection Device * = Specify “D” for disconnect, “0” for no disconnect. Self-contained air-cooled units include MM2CF blower box. Hot Gas Reheat not available with Electric or SCR Reheat or Free-cooling options SCR Reheat not available with Free-cooling models. Liebert® Mini-Mate2™ 25 Electrical Data Table 11 Electrical Data—Self-contained water/glycol-cooled units, 60Hz Base Evaporator Model Number 208/230 - 1Ph - 60Hz 277 - 1Ph - 60Hz MM*14W MM*20W MM*14W MM*20W FLA 6.1 12.1 5.3 10.3 WSA 7.3 14.8 6.3 12.5 OPD 15 25 15 20 FLA 24.9 30.9 21.6 26.6 WSA 30.8 38.3 26.7 32.9 OPD 35 40 30 35 FLA 24.9 30.9 21.6 26.6 WSA 30.8 38.3 26.7 32.9 OPD 35 40 30 35 FLA 10.9 16.9 8.9 13.9 WSA 12.1 19.6 9.9 16.1 OPD 15 30 15 25 Cooling Only with Electric Reheat with SCR Reheat 5 with Humidifier with Electric Reheat and Humidifier FLA 25.0 30.9 21.6 26.6 WSA 31.3 38.3 26.7 32.9 OPD 35 40 30 35 with SCR Reheat and Humidifier 5 1. 2. 3. 4. 5. FLA 29.7 35.7 25.2 30.2 WSA 35.6 43.1 30.3 36.5 OPD 40 45 35 40 Electrical values are not impacted by Hot Gas Reheat, and Free-cooling options FLA = Full Load Amps, WSA = Wire Size Amps, OPD = Maximum Overcurrent Protection Device * = Specify “D” for disconnect, “0” for no disconnect. Hot Gas Reheat not available with Electric or SCR Reheat or Free-cooling options SCR Reheat not available with free-cooling models. Liebert® Mini-Mate2™ 26 Electrical Data Table 12 Electrical data—Split-evaporator or self-contained chilled water units, 50/60 Hz 208/230 - 1Ph - 60Hz 277 - 1Ph - 60Hz 220- 1Ph - 50Hz MM*12E; MM*18E; MM*23C MM*12E; MM*18E; MM*23C MM*22C FLA 1.4 1.4 1.4 WSA 1.8 1.8 — OPD 15 15 — FLA 20.2 17.7 20.2 WSA 25.3 22.1 — OPD 30 25 — FLA 20.2 17.7 20.2 WSA 25.3 22.1 — OPD 30 25 — FLA 6.2 5.0 6.0 WSA 7.8 6.3 — OPD 15 15 — FLA 25.0 21.3 24.8 WSA 31.3 26.6 — OPD 35 30 — FLA 25.0 21.3 24.8 WSA 31.3 26.6 — OPD 35 30 — Base Evaporator Model Number Cooling Only with Electric Reheat with SCR Reheat 5 with Humidifier with Electric Reheat and Humidifier with SCR Reheat and Humidifier 5 1. For units with Hot Water Reheat (available only on MM*22C & MM*23C), use appropriate values from “Cooling Only” or “with Humidifier” categories. 2. FLA = Full Load Amps, WSA = Wire Size Amps, OPD = Maximum Overcurrent Protection Device 3. * = Specify “D” for disconnect, “0” for no disconnect. 4. Use MM*12E or MM*18E values for models with Free-Cooling options, except with SCR Reheat. 5. SCR Reheat not available with Free-cooling models. Table 13 Model # Electrical data—Outdoor PFH condensing units, 60Hz Nominal Capacity Tons 14 20 * 1 1.5 * Electrical Characteristic Input Voltage Phase 208/230-1 FLA 9.1 WSA 11.0 OPD 15 FLA 12.1 WSA 14.8 OPD 25 FLA = Full Load Amps WSA = Wire Size Amps (minimum supply circuit current capacity) OPD = Maximum Overcurrent Protection Device (fuse or circuit breaker) Liebert® Mini-Mate2™ 27 Refrigerant Piping 10.0 REFRIGERANT PIPING Table 14 Refrigerant charge Model # 60Hz Unit Type 50Hz Charge R-407C * oz (kg) Self Contained-Air MM*12A/F — 42 (1.19) Self Contained-Water MM*14W/G — 27 (0.77) Split Evaporator-Air MM*12E/K — 3 (0.085) Self Contained-Air MM*18A/F — 49 (1.39) Self Contained-Water MM*20W/G — 28 (0.79) Split Evaporator-Air MM*18E/K — 4 (0.11) Split Condensing Unit PFH014A-_L7 — 134 (3.80) Split Condensing Unit PFH020A-_L7 — 134 (3.80) Self-contained DX units, split-system evaporators and split-system condensing units are pre-charged with R-407C refrigerant. Use Table 16 to determine charge to be added to field-fabricated refrigerant lines. * For units with Hot Gas Reheat coil, add 18oz (0.51kg) refrigerant to listed values. Table 15 Recommended line sizes, OD Cu PFH_14A PFH_20A Equivalent ft. (m) Suction Liquid Suction Liquid 50 (15.2) 5/8" 3/8" 5/8" 3/8" 75 (22.9) 5/8" 3/8" 7/8" 3/8" 100 (30.5) 7/8" 3/8" 7/8" 3/8" 125 (38.1) 7/8" 3/8" 7/8" 1/2" 150 (45.7) 7/8" 3/8" 7/8" 1/2" * Suction line and liquid line sizing based on < 3 psi pressure drop in each and suction line refrigerant velocities >700FPM (3.6m/s), horizontal and 1000FPM (5.1m/s), vertical. Table 16 Line charges—refrigerant per 100 ft. (30m) of Type L copper tube R-407C, lb/100 ft. (kg/30m) Line Size, O.D., in. Liquid Line Suction Line 3/8 3.7 (1.7) — 1/2 6.9 (3.1) — 5/8 11.0 (5.0 0.4 (0.2) 3/4 15.7 (7.1) 0.6 (0.3) 7/8 23.0 (10.4) 1.0 (0.4) 1-1/8 — 1.7 (0.7) 1-3/8 — 2.7 (1.1) Table 17 Pipe length and condenser elevation relative to evaporator Nominal System Size, Tons Maximum Equiv. Pipe Length, ft. (m) Maximum PFH Level Above Evaporator, ft. (m) Maximum PFH Level Below Evaporator, ft. (m) 1 or 1.5 150 (45) 40 (12) 15 (4.6) Maximum recommended total equivalent pipe length is 150 ft (46m). Suction and liquid lines may require additional specialty items when vertical lines exceed 20 ft. (6m) and/or condensing unit installation is more than 15 ft. (4.6m) below the evaporator. Contact Emerson Application Engineering for assistance. Liebert® Mini-Mate2™ 28 Refrigerant Piping Table 18 Refrigerant charge in Liebert pre-charged R-407C line sets Line Size, in. 3/8 liquid 5/8 or 7/8 suction Table 19 Length, ft. (m) Charge R-407C, oz (kg) 15 (4.5) 5 (0.14) 30 (9) 10 (0.28) 15 (4.5) 5 (0.14) 30 (9) 10 (0.28) Equivalent lengths for various pipe fittings, ft (m) Copper Pipe OD, in. 90 Degree Elbow Copper 90 Degree Elbow Cast 45 Degree Elbow Tee Gate Valve Globe Valve Angle Valve 1/2 0.8 (0.24) 1.3 (0.39) 0.4 (0.12) 2.5 (0.76) 0.26 (0.07) 7.0 (2.13) 4.0 (1.21) 5/8 0.9 (0.27) 1.4 (0.42) 0.5 (0.15) 2.5 (0.76) 0.28 (0.08) 9.5 (2.89) 5.0 (1.52) 3/4 1.0 (0.3) 1.5 (0.45) 0.6 (0.18) 2.5 (0.76) 0.3 (0.09) 12.0 (3.65) 6.5 (1.98) 7/8 1.45 (0.44) 1.8 (0.54) 0.8 (0.24) 3.6 (1.09) 0.36 (0.1) 17.2 (5.24) 9.5 (2.89) 1-1/8 1.85 (0.56) 2.2 (0.67) 1.0 (0.3) 4.6 (1.4) 0.48 (0.14) 22.5 (6.85) 12.0 (3.65) 1-3/8 2.4 (0.73) 2.9 (0.88) 1.3 (0.39) 6.4 (1.95) 0.65 (0.19) 32.0 (9.75) 16.0 (4.87) 1-5/8 2.9 (0.88) 3.5 (1.06) 1.6 (0.48) 7.2 (2.19) 0.72 (0.21) 36.0 (10.97) 19.5 (5.94) Refrigerant trap = Four times equivalent length of pipe per this table Figure 24 Refrigerant piping diagram Pitch down 1/2" (13mm) per 10 ft. (3m) Evaporator Suction Line Piping Condensing Unit Below Evaporator NOTE When installing remote condensing units below the evaporator, the suction gas line should be trapped with an inverted trap to the height of the evaporator . This prevents refrigerant migration to the compressors during off cycles . Maximum recommended vertical level drop to condensing unit is 15 ft. (4.6m) . Condensing Unit Condensing Unit Evaporator See Table 17 for recommended maximum vertical rise above/fall below evaporator. Suction Line Piping Condensing Unit Above Evaporator Traps recommended at the base of riser exceeding 5 ft (1.5m) and every 20 feet (6m) of vertical rise. Pitch down 1/2" (13mm) per 10 ft. (3m) Liebert® Mini-Mate2™ 29 Glycol Loop Piping 11.0 GLYCOL LOOP PIPING Contact Emerson Application Engineering for assistance in choosing correct drycooler models. Refer to Figure 25. Figure 25 Heat rejection loop, multiple drycoolers and multiple indoor units Expansion Tank ______ Gal. (L) HP GPM (l/s) ft. ____(kW) ____ Per Pump @ ____(kPa) FS PUMP PACKAGE Drycooler No. 1 Model ______ GPM (l/s) ____ P: ___ ft (kPa) See Note 3 Cooling Unit # Model GPM (l/s) P ft (kPa): Cooling Unit # Model GPM (l/s) P ft (kPa): Cooling Unit # Model GPM (l/s) P ft (kPa): Drycooler No. 2 Model ______ GPM (l/s) ____ P: ___ ft (kPa) Cooling Unit # Model GPM (l/s) P ft (kPa): LEGEND Gate Valve Check Valve Butterfly Valve Relief Valve Union Ball or Flow Control Valve FS P: Cooling Unit # Model GPM (l/s) P ft (kPa): Cooling Unit # Model GPM (l/s) P ft (kPa): Flow Switch Pressure Drop Strainer/Filter Notes: 1. Pressure and temperature gauges (or ports for same) are recommended to monitor component pressure drops and performance. 2. Flow measuring devices, drain and balancing valves to be supplied by others and located as required. 3. See product literature for installation guidelines and clearance dimensions. 4. Drawing shows dual pump package. Alternate pump packages with more pumps may be considered; consult supplier Liebert® Mini-Mate2™ 30 Total GPM (L/s): _____ Pipe Diam.: _____ In. (mm) P: _____ Ft. (kPa) Cooling Unit # Model GPM (l/s) P ft (kPa): Cooling Unit # Model GPM (l/s) P ft (kPa): Cooling Unit # Model GPM (l/s) P ft (kPa): Cooling Unit # Model GPM (l/s) P ft (kPa): Cooling Unit # Model GPM (l/s) P ft (kPa): Cooling Unit # Model GPM (l/s) P ft (kPa): DPN000991 Rev. 0 Model Number Nomenclature—All Systems 12.0 MODEL NUMBER NOMENCLATURE—ALL SYSTEMS Figure 26 Model number nomenclature—Self-contained, air-cooled units Liebert Mini-Mate2 D = Disconnect Switch 0 = No Disconnect Switch Nominal Capacity, kBtu/hr 12 & 18 (60Hz) MM D 18 A — P H E 7 A Unit Type A = Air-Cooled F = Air-Cooled with Free-Cooling Coil — = Placeholder Supply Power P = 208/230-1-60 X = 277-1-60 Humidification H = Canister Humidifier 0 = No Humidifier R = Remote Humidifier Contact J = Canister Humidifier and Remote Humidifier Contact Reheat Type 0 = No Reheat E = Electric Reheat S = SCR Reheat G = Hot Gas Reheat (Not available with Free-Cooling Option) Refrigerant & Hot Gas Bypass 7 = R-407C & Hot Gas Bypass Sensor Packages 0 = None A = Filter Clog B = Smoke Sensor C = High-Temperature Sensor D = Filter Clog and Smoke Sensor E = Filter Clog and High-Temperature Sensor F = Smoke Sensor and High-Temperature Sensor G = Filter Clog, Smoke Sensor and High-Temperature Sensor Liebert® Mini-Mate2™ 31 Model Number Nomenclature—All Systems Figure 27 Model number nomenclature—Split evaporator air-cooled units Liebert Mini-Mate2 Humidification H = Canister Humidifier 0 = No Humidifier R = Remote Humidifier Contact J = Canister Humidifier and Remote Humidifier Contact D = Disconnect Switch 0 = No Disconnect Switch Nominal Capacity, kBtu/hr 12 & 18 (60Hz) MM D 18 E 7 P H E 0 A Unit Type E = Split Evaporator K = Split Evaporator with Free-Cooling Refrigerant 7 = R-407C (E/K Unit Types) Supply Power P = 208/230-1-60 X = 277-1-60 Reheat Type 0 = No Reheat E = Electric Reheat S = SCR Reheat (E Unit Type only) Hot Gas Bypass 0 = Not Contained in Unit Sensor Packages 0 = None A = Filter Clog B = Smoke Sensor C = High-Temperature Sensor D = Filter Clog and Smoke Sensor E = Filter Clog and High-Temperature Sensor F = Smoke Sensor and High-Temperature Sensor G = Filter Clog, Smoke Sensor and High-Temperature Sensor Figure 28 Model number nomenclature—Outdoor air-cooled prop fan condensing units PFH = Prop Fan Condensing Unit with Hot Gas Bypass 0 = Std. Sound Level PFH 0 Refrigerant 7 = R-407C Nominal Capacity, Cooling Method A = Air-Cooled 20 — = Standard Coil C = Coated Coil A — P = 208/230V - 1ph - 60Hz 32 P L 7 L = 95°F Ambient, Liebert Lee-Temp™ Liebert® Mini-Mate2™ Model Number Nomenclature—All Systems Figure 29 Model number nomenclature—Self-contained, water/glycol-cooled units Liebert Mini-Mate2 D = Disconnect Switch 0 = No Disconnect Switch Humidification H = Canister Humidifier 0 = No Humidifier R = Remote Humidifier Contact J = Canister Humidifier and Remote Humidifier Contact Nominal Capacity, kBtu/hr 14 & 20 (60 Hz) Unit Type W = Water/Glycol-Cooled G = Water/Glycol-Cooled with Free-Cooling Coil MM D 20 W 2 P H E 7 A Valve Type 2 = 2-Way Std. Pressure Fluid Regulating Valve 3 = 3-Way Std. Pressure Fluid Regulating Valve D = 2-Way High Pressure Fluid Regulating Valve T = 3-Way High Pressure Fluid Regulating Valve Supply Power P = 208/230-1-60 X = 277-1-60 Reheat Type 0 = No Reheat E = Electric Reheat S = SCR Reheat G = Hot Gas Reheat (Not available with Free-Cooling Option) Refrigerant & Hot Gas Bypass 7 = R-407C & Hot Gas Bypass Sensor Packages 0 = None A = Filter Clog B = Smoke Sensor C = High-Temperature Sensor D = Filter Clog and Smoke Sensor E = Filter Clog and High-Temperature Sensor F = Smoke Sensor and High-Temperature Sensor G = Filter Clog, Smoke Sensor and High-Temperature Sensor 33 Liebert® Mini-Mate2™ Model Number Nomenclature—All Systems Figure 30 Model number nomenclature—Chilled water units Liebert Mini-Mate2 Humidification H = Canister Humidifier 0 = No Humidifier R = Remote Humidifier Contact J = Canister Humidifier and Remote Humidifier Contact D = Disconnect Switch 0 = No Disconnect Switch Nominal Capacity, kBtu/hr 23 (60Hz) 22 (50Hz) MM D 23 C 2 P H E 0 A Unit Type C = Chilled Water Valve Type 2 = 2-Way Valve (Std Close-off) D = 2-Way Valve (High Close-off) Reheat Type 0 = No Reheat E = Electric Reheat H = Hot Water Reheat Supply Power P = 208/230-1-60 X = 277-1-60 S = 220-1-50 Hot Gas Bypass 0 = Not Contained in Unit Sensor Packages 0 = None A = Filter Clog B = Smoke Sensor C = High-Temperature Sensor D = Filter Clog and Smoke Sensor E = Filter Clog and High-Temperature Sensor F = Smoke Sensor and High-Temperature Sensor G = Filter Clog, Smoke Sensor and High-Temperature Sensor 34 Liebert® Mini-Mate2™ Guide Specifications for Liebert Mini-Mate2—1- and 1.5-Ton Systems GUIDE SPECIFICATIONS FOR LIEBERT MINI-MATE2—1- AND 1.5-TON SYSTEMS 1.0 GENERAL 1.1 Summary These specifications describe requirements for an environmental control system. The system shall be designed to control temperature and relative humidity conditions within the room. The manufacturer shall design and furnish all equipment in the quantities and configurations shown on the project drawings. Standard 60Hz units are CSA Certified to the harmonized U. S. and Canadian product safety standard CSA C22.2 No 236/UL 1995 for “Heating and Cooling Equipment” and are marked with the CSA c-us logo. The system model number(s) shall be: Self-Contained Unit:_____________________ Split Evaporator: _______________________ Condensing Unit: _______________________ Chilled Water Unit:______________________ 1.2 Design Requirements The environmental control system shall be a Liebert Mini-Mate2 factory assembled unit. On direct expansion models, the refrigeration system shall be self-contained or shall be split, with the compressor located in a remote air-cooled condensing unit. The self-contained and split evaporator units shall be designed for above-dropped-ceiling installation and serviceable from the front and bottom of the system. Condensing unit for split system shall be designed for outdoor installation. The system shall have a total cooling capacity of _______ Btu/hr (kW), and a sensible cooling capacity of ________ Btu/hr (kW), based on the entering air condition of _____°F (°C) dry bulb, and _____°F (°C) wet bulb. The unit is to be supplied for operation using a ______ volt, ______ phase, ______ Hz power supply. 1.3 Submittals Submittals shall be provided with the proposal and shall include: Single-Line Diagrams; Dimensional, Electrical and Capacity data; Piping and Electrical Connection Drawings. 1.4 Quality Assurance The specified system shall be factory-tested before shipment. Testing shall include, but shall not be limited to: Quality Control Checks, “HiPot” Test (two times rated voltage plus 1000 volts, per NRTL agency requirements) and Metering Calibration Tests. The system shall be designed and manufactured according to world class quality standards. The manufacturer shall be ISO 9001 certified. 2.0 PRODUCT 2.1 Standard Features/All Systems 2.1.1 Cabinet Construction The cabinet and chassis shall be constructed of heavy gauge galvanized steel and designed for easy installation and service access from front and bottom of unit only (water cooled units require end access). Mounting brackets shall be factory-attached to the cabinet. Internal cabinet insulation shall meet ASHRAE 62.1 requirements for Mold Growth, Humidity & Erosion, tested per UL 181 and ASTM 1338 standards. 35 Liebert® Mini-Mate2™ Guide Specifications for Liebert Mini-Mate2—1- and 1.5-Ton Systems 2.1.2 Air Distribution The air distribution system shall be constructed with a quiet, direct-drive fan assembly equipped with double-inlet blower, self-aligning ball bearings and lifetime lubrication. Fan motor shall be 1/5hp (149W), permanent-split capacitor, high efficiency type, equipped with two speeds for air flow modulation for precise dehumidification control. Dehumidification shall utilize the lower fan speed. Air delivery shall be minimum ____ CFM (____ CMH) at high fan speed. For ducted applications air delivery shall be ____ CFM (____ CMH) at _____ " (______mm) external static pressure. System shall be suitable for plenum or ducted air distribution. Refer to 2.4.2 - Supply and Return Grille, 2.4.3 - Filter Box and Duct Kit and 2.4.4 - Duct Collar Kit. 2.1.3 Microprocessor Control The control system shall be microprocessor-based, factory-wired into the system and tested prior to shipment. The wall-mounted control enclosure shall include a 2-line by 16-character LCD providing continuous display of operating status and alarm condition. An 8-key membrane keypad for setpoint/ program control, fan speed selection and unit On/Off shall be located below the display. The control display shall be field-wired to the control board using 4-conductor field-supplied thermostat wire. Temperature and humidity sensors shall be located in the wall box, which shall be capable of being located up to 300 ft (91.4m) from the evaporator unit. 2.1.3.1 Monitoring The LCD shall provide On/Off indication, operating mode indication (cooling, heating, humidifying, dehumidifying), fan speed indication and current day, time, temperature and humidity (if applicable) indication. The monitoring system shall be capable of relaying unit operating parameters and alarms to the Liebert SiteScan™ monitoring system. 2.1.3.2 • • • • Control Setpoint Parameters Temp. Setpoint 65-85°F (18-29°C) Temp. Sensitivity 1-9.9°F (1-5°C) Humidity Setpoint 20-80% RH Humidity Sensitivity 1-30% RH 2.1.3.3 2.1.3.3.1 Unit Controls Compressor Short-Cycle Control The control system shall prevent compressor short-cycling by a 3-minute timer from compressor stop to the next start. 2.1.3.3.2 Common Alarm and Remote On/Off A common alarm relay shall provide a contact closure to a remote alarm device. Two (2) terminals shall also be provided for remote On/Off control. Individual alarms shall be “enabled” or “disabled” from reporting to the common alarm. 2.1.3.3.3 Setback Control The control shall be user-configurable to use a manual setpoint control or a programmable, time-based setback control. The setback control will be based on a 5 day/2 day programmed weekly schedule with capability of accepting 2 events per program day. 2.1.3.3.4 Temperature Calibration The control shall include the capabilities to calibrate the temperature and humidity sensors and adjust the sensor response delay time from 10 to 90 seconds. The control shall be capable of displaying temperature values in °F or °C. 2.1.3.3.5 System Auto Restart For startup after power failure, the system shall provide automatic restart with a programmable (up to 9.9 minutes in 6-second increments) time delay. Programming can be performed either at the wall-mounted controller or from the central, site-monitoring system. 36 Liebert® Mini-Mate2™ Guide Specifications for Liebert Mini-Mate2—1- and 1.5-Ton Systems 2.1.4 Alarms 2.1.4.1 Unit Alarm The control system shall monitor unit operation and activate an audible and visual alarm in the event of the following factory preset alarm conditions: • • • • • • • • High Temperature Low Temperature High Humidity Low Humidity High Water Alarm - Lockout Unit Operation High Head Pressure Loss of Power Compressor Short Cycle 2.1.4.2 • • • • • • Custom Alarms (2x) Humidifier Problem Filter Clog Water Detected Smoke Detected Custom Alarm #1 Custom Alarm #2 User-customized text can be entered for the two (2) custom alarms. 2.1.4.3 Alarm Controls Each alarm (unit and custom) shall be separately enabled or disabled, selected to activate the common alarm (except for high head pressure). 2.1.4.4 Audible Alarm The audible alarm shall annunciate any alarm that is enabled by the operator. 2.1.4.5 Common Alarm A programmable common alarm shall be provided to interface user selected alarms with a remote alarm device. 2.1.4.6 Remote Monitoring All alarms shall be communicated to the Liebert site monitoring system with the following information: date and time of occurrence, unit number, and present temperature and humidity. 2.2 Chilled Water System Components 2.2.1 Chilled Water Control Valve The control valve shall be a solenoid-operated, slow-close, spring-return type to reduce water hammer. Design pressure shall be 300psi (2067kPa) static pressure, with a maximum close-off pressure of 25psi (172kPa). (Option) The control valve shall be a motorized, slow-close, non-spring-return type to reduce water hammer. Design pressure shall be 300psi (2067kPa) static pressure, with a maximum close-off pressure of 100psi (689kPa). 2.2.2 Chilled Water Coil The cooling coil shall have a minimum of 2.4 sq.ft. (0.23 sq.m) face area, 2 rows deep. It shall be constructed of copper tubes and aluminum fins and have a maximum face velocity of ____ ft. per minute (___ m/s) at ____ CFM (____ CMH). The coil shall be supplied with 45°F (7.2°C) entering water temperature. The coil shall be supplied with ______ GPM (l/s) of chilled water and the pressure drop shall not exceed ______ PSI (kPa). The coil assembly shall be mounted in a condensate drain pan with an internally trapped drain line. The evaporator drain pan shall include a factory-installed float switch to shut down the evaporator upon high water condition. 37 Liebert® Mini-Mate2™ Guide Specifications for Liebert Mini-Mate2—1- and 1.5-Ton Systems 2.2 Direct Expansion Self-Contained System Components 2.2.1 Refrigeration System The refrigeration system shall consist of a (scroll) (rotary) compressor with vibration isolating grommets, evaporator coil, condenser coil, externally equalized thermostatic expansion valve, high pressure safety switch, filter drier, hot gas bypass circuit, factory R-407C refrigerant charge and externally equalized expansion valve. Hot gas bypass shall be provided to reduce compressor cycling and optimize performance under low load conditions. 2.2.2 Evaporator Coil The evaporator coil shall have 2.4 sq.ft. (0.23 sq.m) face area, ____ rows deep. It shall be constructed of copper tubes and aluminum fins and have a maximum face velocity of ___ ft. per minute (____ m/s) at ___ CFM ( ____ CMH). The coil shall be provided with a condensate drain pan with an internally trapped drain line. The evaporator drain pan shall include a factory-installed float switch to shut down the evaporator upon high water condition. 2.2.3 Air-Cooled Condenser Coil The air-cooled condenser section shall contain a factory mounted and piped condenser coil constructed of copper tubes and aluminum fins. No piping, brazing, dehydration or charging shall be required. The condenser coil shall be factory mounted within the unit cabinet. 2.2.3.1 Air-Cooled Condenser Fan A factory-supplied condenser fan shall be field-mounted to the end of the evaporator cabinet. The system shall be provided with a fan speed control system to permit operation at -20°F (-28.9°C) inlet ambient air temperature and sized to provide full rated cooling capacity at 95°F (35°C) entering air from plenum space. The centrifugal condenser fan shall deliver ____CFM (____ CMH) at ____inches (___mm) external static pressure at maximum speed. Condenser fan electrical and refrigerant pressure connections shall be field attached to the cooling chassis using factory provided wiring harness and capillary tube/fitting. 2.2.3 Water/Glycol-Cooled Condenser The water/glycol-cooled condenser section shall contain a factory-mounted and piped coaxial condenser constructed of steel and copper tubing. No piping, brazing, dehydration or charging of refrigerant shall be required. The condenser coil shall be factory-mounted within the unit cabinet. The total system pressure drop of the water/glycol system shall be______ ft. of water (kPa) and a flow rate of ______ GPM (l/s) with ______ °F (°C) entering water/glycol temperature. The condenser circuit shall be pre-piped with a [(2-way) (3-way)] regulating valve which is headpressure actuated. The condenser water/glycol circuit shall be designed for a static operating pressure of [(150PSI (1034kPa)) (350PSI (2413kPa))]. Liebert® Mini-Mate2™ 38 Guide Specifications for Liebert Mini-Mate2—1- and 1.5-Ton Systems 2.2 Direct Expansion Split System Components 2.2.1 Evaporator Unit The evaporator section shall include evaporator coil, thermostatic expansion valve and filter drier. The evaporator coil shall have 2.4 sq.ft. (0.23 sq.m) face area, __ rows deep. It shall be constructed of copper tubes and aluminum fins and have a maximum face velocity of ___ ft. per minute (____ m/s) at ___ CFM ( ____ CMH). An externally equalized thermostatic expansion valve shall control refrigerant flow. The evaporator coil shall be factory-charged with R-407C refrigerant and sealed.The coil shall be provided with a condensate drain pan, with an internally trapped drain line. The evaporator drain pan shall include a factory-installed float switch to shut down the evaporator upon high water condition. 2.2.2 Outdoor Air-Cooled Prop Fan Condensing Unit Condensing unit components shall include a condenser coil, a direct-drive propeller-type fan, a (scroll) (reciprocating) compressor with vibration-isolating grommets, high pressure switch, Liebert Lee-Temp™ receiver and head pressure control valve, hot gas bypass system and liquid line solenoid valve. The condenser coil shall be constructed of copper tubes and aluminum fins. A hot gas bypass system shall be provided to reduce compressor cycling and improve operation under low load conditions. All components shall be factory-assembled, charged with R-407C refrigerant, sealed and be capable of being connected to the evaporator section using pre-charged refrigerant line sets. No internal piping, brazing, dehydration or charging shall be required. Condensing unit shall be designed for 95°F (35°C) ambient and be capable of operation to -30°F (-34.4°C). (Option) The coils shall be phenolic-coated for extended coil life in coastal areas. 2.3 Factory-Installed Options/All Cooling Units 2.3.1 Steam Generating Humidifier The environmental control system shall be equipped with a steam generating humidifier that is controlled by the microprocessor control system. It shall be complete with disposable canister, all supply and drain valves, 1" (25.4mm) air gap on fill line, inlet strainer, steam distributor and electronic controls. The need to change canister shall be annunciated on the microprocessor wall box control panel. The humidifier shall have a capacity of 2.5 lb/hr (1.1 kg/h). An LED light on the humidifier assembly shall indicate cylinder full, overcurrent detection, fill system fault and end of cylinder life conditions. 2.3.2 Electric Reheat The electric reheat shall be low-watt density, 304/304 stainless steel, finned-tubular and shall be capable of maintaining room dry bulb conditions when the system is calling for dehumidification. The reheat section shall include a UL-approved safety switch to protect the system from overheating. The capacity of the reheat coils shall be ______ Btu/hr (kW), with input power of ______ V, controlled in one stage. 2.3.3 Hot Water Reheat The hot water reheat coil shall have copper tubes and aluminum fins with a capacity of ______ Btu/hr (kW) when supplied with ______°F (°C) entering water temperature at _______ GPM (l/s) flow rate. Maximum pressure drop shall be ______ PSI (kPa). The control system shall be factory pre-piped with a two-way solenoid valve and cleanable Y-strainer. The hot water reheat coil shall only be available on chilled water units. 2.3.4 SCR Electric Reheat The electric reheat shall be low-watt density, 304/304 stainless steel, finned-tubular and shall be capable of maintaining room dry bulb conditions when the system is calling for dehumidification. The reheat section shall include a UL-approved safety switch to protect the system from overheating. The SCR (Silicon Controlled Rectifier) controller shall proportionally control the reheat elements to maintain the selected room temperature. The rapid cycling made possible by the SCR controller provides precise temperature control, and the more constant element temperature improves heater life. The unit microprocessor control shall operate the SCR controller, while cooling is locked on. The capacity of the reheat coils shall be ______ Btu/hr (kW), with input power of ______ V. Not available on chilled water or free-cooling units. 39 Liebert® Mini-Mate2™ Guide Specifications for Liebert Mini-Mate2—1- and 1.5-Ton Systems 2.3.5 Hot Gas Reheat The complete hot gas reheat system shall include a copper tube, aluminum fin coil, three-way solenoid valve, and refrigerant check valve. The capacity of the coil shall be ______ Btu/hr (kW). Hot gas reheat shall operate only during dehumidification and capacity shall be offset by cooling coil capacity. Hot gas reheat shall not be used for space heating. 2.3.6 Disconnect Switch, Non-Locking The non-automatic, non-locking, molded case circuit interrupter shall be factory-mounted in the high-voltage section of the electrical panel. The switch handle shall be accessible from the unit front and mounted on the indoor cooling unit. 2.3.7 High-Temperature Sensor The high-temperature sensor shall immediately shut down the system when high temperatures are detected. The high-temperature sensor shall be mounted with the sensing element in the return air. 2.3.8 Smoke Sensor The smoke detector shall immediately shut down the environmental control system and activate the alarm system when activated. The sensing element shall be located in the return air compartment. This smoke sensor shall not function or replace any room smoke detection system that may be required by local or national codes. 2.3.9 Filter Clog Switch The filter clog switch senses pressure drop across the filters and shall annunciate the wall box display upon reaching the adjustable setpoint. 2.3.10 Free-Cooling/Dual Cooling Source A free-cooling coil shall be integral to the evaporator cabinet, and shall be constructed of copper tubes and aluminum fins. The coil shall be rated at ______ Btu/hr (kW) sensible cooling capacity with a 45°F (22°C), ___% glycol solution. The coil shall require ______ GPM (l/s) and the total unit pressure drop shall not exceed ______ feet of water (kPa) when in the free cooling mode. Free-cooling shall be activated by an adjustable aquastat, and shall include a factory-piped, three-way valve and separate supply and return piping. Coil is designed for closed-loop applications using properly treated and circulated fluid. A field-supplied heat exchanger system is required to prevent premature corrosion if applied to open water tower loop. Not available with SCR reheat. 2.4 Ship-Loose Accessories 2.4.1 Remote Sensors The unit shall be supplied with remote temperature and humidity sensors. The sensors shall be connected to the unit by a 30 ft. (9m) shielded cable. 2.4.2 Supply and Return Grille A factory-supplied supply and return grille kit shall be provided for supply and return air delivery through a 2' x 4' (0.6m x 0.6m) T-bar ceiling grid. Kit shall include an air baffle plate, supply grille, hinged return grille, 1" x 20 x 20" (25.4mm x 508mm x 508mm) MERV 8 (ASHRAE 52.2-2007) filter and mounting frame. 2.4.3 Filter Box and Duct Kit A return air filter box shall be provided with hinged filter access, and 1" (25.4 mm) duct flange. A 1" (25.4 mm) duct flange shall also be provided for air discharge. Filters shall be 1" x 16" x 20" (25.4mm x 406mm x 508mm) MERV 8 per ASHRAE 52.2-2007. 2.4.4 Duct Collar Kit 1" (25.4 mm) duct flanges shall be provided for each of the discharge and return air openings. Filters and filter box must be field supplied. Liebert® Mini-Mate2™ 40 Guide Specifications for Liebert Mini-Mate2—1- and 1.5-Ton Systems 2.4.5 Condensate Pump The condensate pump shall have the capacity of _____ GPH (___ l/h) at ___ ft. head (___ kPa). It shall be complete with integral float switch, discharge check valve, pump, motor assembly and reservoir. A secondary float switch shall be provided to permit field wiring to the unit control to shut down the evaporator upon a high water level condition. 2.4.6 Refrigerant Line Sets Pre-charged refrigerant line sets shall be provided by Emerson in proper lengths for application to air-cooled split systems. Line set length shall be [(15 ft. (4.5m)) (30 ft. (9m))], not to exceed 45 ft. (13.5m) in total length. 2.4.7 Refrigerant Line Sweat Adapter Kit Provide a sweat adapter kit to permit field brazing of refrigerant line connections for application to air-cooled split systems. 2.4.8 Liebert SiteScan™ Site Monitoring System A Liebert SiteScan Site Monitoring System Model __________________ shall be provided for remote monitoring of the Liebert Mini-Mate2 unit and monitoring of other Liebert support equipment. The Liebert SiteScan shall have the capability to monitor and change (at the user direction) the temperature and humidity setpoints and sensitivities of each unit. The printer shall provide the user with chronological alarm information. It shall also be capable of being programmed to print out environmental conditions or operating modes at each unit. Provide indicated quantities of the following: • Leak Detection System(s) Model • Remote Monitor(s) Model • Auto-changeover Control(s) Model 2.4.9 Drycooler The Liebert drycooler shall be a low-profile, direct-drive propeller fan-type air-cooled unit. The drycooler shall be constructed with an aluminum cabinet and a copper-tube aluminum fin coil and single direct drive fan. All electrical connections and controls shall be enclosed in an integral, NEMA 3R rated electrical panel section of the drycooler. The drycooler shall be quiet and corrosion resistant. The drycooler shall be designed for _____°F (___°C) ambient. 2.4.10 Glycol Pump Package The system shall include a centrifugal pump mounted in a weatherproof and vented enclosure. The pump shall be rated for ____ GPM (l/s) at ____ ft. (kPa) of head, and operate on ____ volt, _____ phase, ____ Hz. 41 Liebert® Mini-Mate2™ Guide Specifications for Liebert Mini-Mate2—1- and 1.5-Ton Systems 3.0 EXECUTION 3.1 Installation of Air Conditioning Unit 3.1.1 General Install air conditioning unit in accordance with manufacturer's installation instructions. Install unit plumb and level, firmly anchored in location indicated, and maintain manufacturer's recommended clearances. 3.1.2 Electrical Wiring Install and connect electrical devices furnished by manufacturer but not specified to be factorymounted. Furnish copy of manufacturer’s electrical connection diagram submittal to electrical contractor. Install and wire per local and national codes. 3.1.3 Piping Connections Install and connect devices furnished by manufacturer but not specified to be factory-mounted. Furnish copy of manufacturer’s piping connection diagram submittal to piping contractor. 3.1.4 Supply and Drain Water Piping Connect water supply and drains to air conditioning unit. Unit drain shall be trapped internally and shall not be trapped externally. 3.1.5 Field-Supplied Pan A field-supplied pan with drain shall be installed beneath ducted cooling units. 3.2 Field Quality Control Startup air conditioning unit in accordance with manufacturer's start up instructions. Test controls and demonstrate compliance with requirements. Liebert® Mini-Mate2™ 42 Guide Specifications for Liebert Mini-Mate2—1- and 1.5-Ton Systems NOTES 43 Liebert® Mini-Mate2™ Guide Specifications for Liebert Mini-Mate2—1- and 1.5-Ton Systems Liebert® Mini-Mate2™ 44 Ensuring The High Availability Of Mission-Critical Data And Applications. Emerson Network Power, a business of Emerson (NYSE:EMR), is the global leader in enabling Business-Critical Continuity™ from grid to chip for telecommunication networks, data centers, health care and industrial facilities. Emerson Network Power provides innovative solutions and expertise in areas including AC and DC power and precision cooling systems, embedded computing and power, integrated racks and enclosures, power switching and controls, infrastructure management, and connectivity. All solutions are supported globally by local Emerson Network Power service technicians. Liebert AC power, precision cooling and monitoring products and services from Emerson Network Power deliver Efficiency Without Compromise™ by helping customers optimize their data center infrastructure to reduce costs and deliver high availability. Technical Support / Service Web Site www.liebert.com Monitoring [email protected] 800-222-5877 Outside North America: +00800 1155 4499 Single-Phase UPS & Server Cabinets [email protected] 800-222-5877 Outside North America: +00800 1155 4499 Three-Phase UPS & Power Systems 800-543-2378 Outside North America: 614-841-6598 Environmental Systems 800-543-2778 Outside the United States: 614-888-0246 Locations United States 1050 Dearborn Drive P.O. Box 29186 Columbus, OH 43229 Europe Via Leonardo Da Vinci 8 Zona Industriale Tognana 35028 Piove Di Sacco (PD) Italy +39 049 9719 111 Fax: +39 049 5841 257 Asia 29/F, The Orient Square Building F. Ortigas Jr. Road, Ortigas Center Pasig City 1605 Philippines +63 2 687 6615 Fax: +63 2 730 9572 While every precaution has been taken to ensure the accuracy and completeness of this literature, Liebert Corporation assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors or omissions. © 2009 Liebert Corporation All rights reserved throughout the world. Specifications subject to change without notice. ® Liebert is a registered trademark of Liebert Corporation. All names referred to are trademarks or registered trademarks of their respective owners. SL-10525_REV7_05-13 Emerson Network Power. The global leader in enabling Business-Critical Continuity™ AC Power Connectivity Embedded Computing Embedded Power DC Power Infrastructure Management & Monitoring Outside Plant Power Switching & Controls Precision Cooling EmersonNetworkPower.com Racks & Integrated Cabinets Services Surge Protection Emerson, Business-Critical Continuity, Emerson Network Power and the Emerson Network Power logo are trademarks of Emerson Electric Co. or one of its affiliated companies. ©2009 Emerson Electric Co.