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0 I UM-4S <br /> 292459-BTG-A-0207 <br /> TABLE 25:OPERATING WEIGHTS(LBS.) >e (, I <br /> MODEL SIZE 3 TON 4 TON 5 TON 6 TON <br /> DHB(Cooling Only) 565615 640 720 <br /> BASIC N040 60 - - - <br /> UNIT DUC N060 - `665 - - <br /> (Gas/Electric) N079 625 780 <br /> N099 - 685 71 790 <br /> Economizer 50 <br /> Motorized Damper 26 <br /> 5-7 kW 18 <br /> OPTIONS Electric Heater 10-15 kW 23 <br /> OR <br /> ACCY. 20-30 kW 28 <br /> Roof Curb 92 <br /> Barometric Relief/Fixed Air Damper 10 <br /> Belt-Drive Blower 5 <br /> COMPRESSOR <br /> DUCT 2" TYP. AND CONDENSER <br /> SUPPORT RAILS END OF UNIT <br /> SACK / <br /> OF UNIT <br /> SUPPLY* 400 <br /> AIR 14" <br /> RETURN` 4t <br /> AIR �1" i <br /> 19-112"_..--,, , <br /> .0,,,,,- , . , ,,;. . <br /> 1/2" <br /> „/„...„,„, <br /> „_,--- <br /> 19-1/2" 1 �� 19-1/2 <br /> �� p 73 FRONTOF IT <br /> 37-1/4" 2" A40.7:„:..,,_____. <br /> `Supply and Return Air(including duct support rails) <br /> �, shown are typical for bottom duct applications. <br /> DUCT SIZES: - <br /> Supply Air = 19-1/4" X 19-1/4" For location of horizontal duct applications <br /> Return Air = 19-1/4" X 19-1/4" (on back of unit),refer to Unit Dimension details. <br /> FIGURE 11 - ROOF CURB DIMENSIONS <br /> Unitary Products Group 29 <br />