FAN KNOCKOUT PATTERN OPTIONAL FANS: DNMF100AC115 DNMF100AC230 25.50 in 648 mm O/A INTERNAL SPACE 23.56 in 598 mm USABLE SPACE 2 4.34 in 110 mm 2.00 in 51 mm 4 DETAIL B 3:1 1.00 in 25 mm TOP VIEW SECTION A-A .41 in 10 mm 4.00 in 102 mm TYP 24.00 in 610 mm O .75 in 19 mm 25.70 in 653 mm CONCEALED HINGES 24.68 in 627 mm 20.00 in 508 mm 4.20 in 107 mm DETAIL B 16.00 in 406 mm 3 38.25 in 972 mm 1 41.75 in 1060 mm A A 34.61 in 879 mm Item Number REAR OPENING FRONT VIEW L.S. VIEW 12.00 in 305 mm R.S. VIEW 1 2 HWM - CENTRE SECTION 1 3 HWM - VENTED DOOR ASSY 1 4 19" TAPPED PANEL RAILS (PAIR) 1 PART NUMBERS HWM2420U20BK PAINTED BLACK SAND TEXTURED VENTED FRONT DOOR 4 3X DOUBLE K.O. O2.00/O3.00 TOP AND BOTTOM POWER BAR MOUNTING WITHOUT USING 'U' SPACE BOTTOM VIEW FRONT VIEW DOOR REMOVED NOTES See Hammond Website for Additional Accessories Data subject to change without notice. Isometric drawing not to scale. 35.00 in 889 mm (20U) Quantity HWM - REAR MOUNT ASSY 2X DOUBLE K.O. O2.00/O2.50 BOTH SIDES FAN CUTOUT PATTERN OPTIONAL FANS: DNMF100AC115 DNMF100AC230 21.00 in 533 mm OPENING 18.31 in 465 mm 19" MTG REAR VIEW Title 1 2X DOUBLE K.O. O1.12/O1.38 TOP AND BOTTOM www.hammondmfg.com PART NO.HWM2420U20BK