5168276-XIM-B-021618 Johnson Controls Unitary ProductsTable 10: ZF180-240 Physical DataComponent ModelsZF180 ZF240Nominal Tonnage 15 20AHRI COOLING PERFORMANCEGross Capacity @ AHRI A point (K Btu) 204 259AHRI net capacity (K Btu) 195 246EER 10.9 10.4SEER - -IEER 11.26 10.88Nominal CFM 6000 8000System power (KW) 17.9 23.7Refrigerant type R-410A R-410ARefrigerant charge (lb-oz)System 1 22-8 20-4System 2 21-8 21-4AHRI HEATING PERFORMANCEHeating model N30 N40 N30 N40Heat input (K Btu) 300 400 300 400Heat output (K Btu) 240 320 240 320AFUE% - - - -Steady state efficiency (%) 80 80 80 80No. burners 6 8 6 8No. stages 2 2 2 2Temperature Rise Range (ºF) 20-50 35-65 20-50 35-65Gas Limit Setting (ºF) 195 195 195 195Gas piping connection (in.) 1 1 1 1DIMENSIONS (inches)Length 125-1/4 136-1/4Width 92 92Height 48-5/8 52-5/8OPERATING WT. (lbs.) 1680 2400COMPRESSORSType Scroll ScrollQuantity 2 2Unit Capacity Steps (%) 50 / 100 50 / 100CONDENSER COIL DATAFace area (Sq. Ft.) 36.0 43.3Rows 3 3Fins per inch 13.5 15Tube diameter (in.) 3/8 3/8Circuitry Type Standard StandardEVAPORATOR COIL DATAFace area (Sq. Ft.) 15.5 20.1Rows 4 4Fins per inch 14 14Tube diameter 3/8 3/8Circuitry Type Intertwined IntertwinedRefrigerant control TXV TXV