Carrier 48TM016-028 Installation, Start-up And Service Instructions Manual

Also see for 48TM016: User's information manual

Contents

10Table 1 — Physical Data (cont)LEGEND*The ZRU140KC compressor is a tandem compressor, consisting of a ZR72KC (25% totalcapacity) and a ZR68KC (24% total capacity).†Circuit 1 uses the lower portion of the condenser coil and lower portion of the evaporatorcoils; and Circuit 2 uses the upper portion of both coils.**Pulley has 6 turns. Due to belt and pulley size, movable pulley cannot be set to 0 to 1 1 /2turns open.††Pulley has 6 turns. Due to belt and pulley size, movable pulley cannot be set to 0 to 1 /2 turnsopen.***Rollout switch is manual reset.†††A Liquid Propane kit is available as an accessory.¶The 48TM028 unit requires 2-in. industrial-grade filters capable of handling face velocities upto 625 ft/min (such as American Air Filter no. 5700 or equivalent).NOTE: The 48TM016-028 units have a low-pressure switch (standard) located on the suctionside.UNIT 48TM 016D/F 020D/F 025D/F 028D/FFURNACE SECTIONRollout Switch Cutout Temp (F)*** 190 190 190 190Burner Orifice Diameter (in. ...drill size)Natural Gas Std 0.1285...30/0.136...29 0.1285...30/0.136...29 0.1285...30/0.136...29 0.1285...30/0.136...29Thermostat Heat Anticipator Setting (amps)208/230, 575 v Stage 1 0.98 0.98 0.98 0.98Stage 2 0.44 0.44 0.44 0.44460 v Stage 1 0.80 0.80 0.80 0.80Stage 2 0.44 0.44 0.44 0.44Gas Input Stage 1 172,000/225,000 206,000/270,000 206,000/270,000 206,000/270,000Stage 2 230,000/300,000 275,000/360,000 275,000/360,000 275,000/360,000Efficiency (Steady-State) (%) 81 81 81 81Temperature Rise Range 15-45/20-50 15-45/20-50 15-45/20-50 15-45/20-50Manifold Pressure (in. wg)Natural Gas Std 3.3 3.3 3.3 3.3Liquid Propane††† Alt 3.3 3.3 3.3 3.3Gas Valve Quantity 1 1 1 1Gas Valve Pressure Rangein. wg 5.5-13.5 5.5-13.5 5.5-13.5 5.5-13.5psig 0.235-0.487 0.235-0.487 0.235-0.487 0.235-0.487Field Gas Connection Size (in.-FPT) 3 /4 3/ 4 3 /4 3/ 4HIGH-PRESSURE SWITCH (psig)Cutout 426Reset (Auto) 320LOW-PRESSURE SWITCH (psig)Cutout 27Reset (Auto) 44FREEZE PROTECTION THERMOSTAT (F)Opens 30 ± 5Closes 45 ± 5OUTDOOR-AIR INLET SCREENS CleanableQuantity...Size (in.) 2...20 x 25 x 11...20 x 20 x 1RETURN-AIR FILTERS Throwaway¶Quantity...Size (in.) 4...20 x 20 x 24...16 x20 x 2POWER EXHAUST 1 /2 Hp, 208/230-460 v Motor Direct Drive, Propeller-Fan (Factory-Wired for 460 v)Bhp — Brake HorsepowerTXV — Thermostatic Expansion Valve