Carrier PHD4 Series Installation Instruction

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PHD4 Series K and WPH4 Series K: Installation InstructionManufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.13c. ELECTRIC HEATING MODE(1.) Thermostat closes circuit R to W/W1, or W2 and R to G.There are no on or off delays.d. HEAT PUMP HEATING MODE(1.) Thermostat closes circuits R to G and R to Y. Thecompressor, indoor and outdoor fans are energized.e. HEAT PUMP HEATING WITH AUXILIARY ELECTRICHEAT(1.) Thermostat closes circuits R to G, R to Y and R to W/W1 orW2. The compressor, indoor and outdoor fans areenergized, as well as the electric heat relays.f. DEFROST MODEThe defrost mode is automatically energized by the defrost boardduring heating mode. The defrost board energizes “O” (reversingvalve) and “W2” (electric heat). It also de-energizes the outdoorfan. When defrost is complete, unit will return to heating mode.If room thermostat is satisfied during defrost, unit will shut downand restart in defrost on next call for heat.Table 1 – Physical Data24 30 36 42 48 60Unit Size 2 2.5 3 3.5 4 5Shipping Weight* (lb)(kg)*. For 460 volt units, add 14 lb (6.4 kg) to the weight.343155.6376170.6420190.6440199.6440199.6510231.4Compressor Quantity 1Type ScrollRefrigerant R-410ARefrigerant Quantity (lb)Quantity (kg)7.253.311.55.210.44.710.54.810.04.513.256.0Refrigerant Metering Device Indoor TXV, Outdoor Dual AccuratersIndoorAccurater,OutdoorDualAccuratersIndoor TXV,Outdoor DualAccuratersOrifice ID (in)(mm) N/A 0.080 (1)2.03 (1) N/AOrifice OD (in)(mm)0.032 (2)0.81 (2)0.035 (2)0.89 (2)0.040 (2)1.02 (2)0.046 (2)1.17 (2)0.046 (2)1.17 (2)0.046 (2)1.17 (2)Outdoor CoilRows...Fins/in,face area (sq. ft.)1...2118.82...2118.81...2123.31...2123.32...2113.62...2117.5Outdoor FanNominal Airflow (cfm)Diameter (in.)Diameter (mm)Motor hp (rpm)2700246101/10 (810)3200246101/5 (810)3600266601/5 (810)4000266601/5 (810)4000266601/5 (810)3800266601/5 (810)Indoor CoilRows...Fins/in,face area (sq. ft.)3...153.73...173.73...174.73...174.73...175.63...175.6Indoor BlowerNominal Airflow (cfm)Size (in.)Size (mm)Motor hp (rpm)75010 x 10254 x 2541/295010 x 10254 x 2541/2115011 x 10279 x 2541/2135011 x 10279 x 2543/4160011 x 10279 x 2541175011 x 10279 x 2541High Pressure Switch (psig)CutoutReset (Auto)650 +/- 15420 +/- 25Loss-of-Charge/Low Pressure Switch (psig)CutoutReset (Auto)20 +/- 545 +/- 10Return Air Filtersdisposable††. Required filter sizes shown are based on the larger of the AHRI (Air Conditioning Heating and Refrigeration Institute) rated cooling airflow or the heating airflow velocity of 300-350ft/minute for throwaway type or 450 ft/minute for high-capacity type. Air filter pressure drop for non-standard filters must not exceed 0.08 IN. W.C.If using accessory filter rack refer to the filter rack installation instructions for correct filter size and quantity.2 each 20x12x1 in.508x305x25 mm1 each 24x14x1in.610x356x25 mm24x16x1 in.610x406x25 mm1 each 24x16x1 in.610x406x25 mm24x18x1 in.610x457x25 mmTable 2 – Minimum Airflow for Reliable Electric Heater Operation (CFM)SIZE 24 30 36 42 48 60AIRFLOW (CFM) 800 1025 1250 1400 1710 1800