Page 2 - INSTALLATION INSTRUCTIONS; INSPECT NEW UNIT; WARNING; ELECTRICAL SHOCK HAZARD; LOCATION; Roof mounted units exposed to wind may require; CLEARANCES; one; side of the coil (normally
INSTALLATION INSTRUCTIONS 3-phase R-22 Split System Heat Pump 2 506 01 5001 00 INSPECT NEW UNIT After uncrating unit, inspect thoroughly for hiddendamage. If damage is found, notify the transportation company immediately and file a concealed damageclaim. SAFETY CONSIDERATIONS Consult a qualified ins...
Page 3 - all
INSTALLATION INSTRUCTIONS 3-phase R-22 Split System Heat Pump 506 01 5001 00 3 Figure 1 Clearances (various examples) Wall 6” 24” Service Wall Wall Wall 6” 6”Post Wall W all 18” 18” 18” 18” 6” 6” 6” 18” 18” 18” 18” 24” Service 24” Service 24” Service 24” Service 24” Service 24” Service 4” 4”wide fen...
Page 4 - UNIT SUPPORT; Unit must be level; When unit is to be installed on a bonded; CAUTION; Minimum; REFRIGERATION SYSTEM
INSTALLATION INSTRUCTIONS 3-phase R-22 Split System Heat Pump 4 506 01 5001 00 UNIT SUPPORT NOTE: Unit must be level | 2 degrees ( a inch rise or fall per foot of run) or compressor may not function properly. A. GROUND LEVEL INSTALLATION The unit must be level and supported above grade bybeams, plat...
Page 6 - If there is more than 20 feet vertical separation
INSTALLATION INSTRUCTIONS 3-phase R-22 Split System Heat Pump 6 506 01 5001 00 C. ROUTING AND SUSPENDING REFRIGERANT LINES Run refrigerant lines as straight and direct as possible,avoiding unnecessary bends and turns. Always insulatethe entire suction line. Both lines should be insulatedwhen routed ...
Page 7 - Insert line set tube ends into service valve tube stubs.
INSTALLATION INSTRUCTIONS 3-phase R-22 Split System Heat Pump 506 01 5001 00 7 Figure 7 Liquid Line Filter-Drier Installed at Indoor Coil 38-1 1-84 Filter-Drier F. SERVICE VALVES Service valves are closed and plugged from the factory.Outdoor units are shipped with a refrigerant chargesealed in the u...
Page 8 - Do not use any portion of the factory charge for; Repeat this procedure as indicated in Figure 10.
INSTALLATION INSTRUCTIONS 3-phase R-22 Split System Heat Pump 8 506 01 5001 00 H. EVACUATING LINE SET AND INDOOR COIL The unit is shipped with a factory refrigerant charge. Theliquid line and suction line service valves have beenclosed after final testing at the factory. Do not disturbthese valves u...
Page 9 - ELECTRICAL WIRING
INSTALLATION INSTRUCTIONS 3-phase R-22 Split System Heat Pump 506 01 5001 00 9 NOTE: These are not back-seating valves. It is not necessary to force the stem tightly against the rolled lip. The service valve cap is a primary seal for the valve andmust be properly tightened to prevent leaks. Make sur...
Page 10 - LEGEND
INSTALLATION INSTRUCTIONS 3-phase R-22 Split System Heat Pump 10 506 01 5001 00 Thermostat Wiring Connections Route thermostat wiring through rubber grommet inbottom of Control Box. Low voltage lead wires areprovided in the control box for connection to thermostatwires (use wire nuts). Refer to Wiri...
Page 11 - DEFROST SYSTEM; A. DEFROST THERMOSTAT; COIL; B. DEFROST CONTROL BOARD; Turn off power to outdoor unit.; Defrost Control Board
INSTALLATION INSTRUCTIONS 3-phase R-22 Split System Heat Pump 506 01 5001 00 11 DEFROST SYSTEM A. DEFROST THERMOSTAT The defrost thermostat is factory installed on a short tubestub extending from the coil end plate. Refer to Figure 14and confirm that the thermostat is securely fastened inplace on th...
Page 12 - REFRIGERANT CHARGE
INSTALLATION INSTRUCTIONS 3-phase R-22 Split System Heat Pump 12 506 01 5001 00 START-UP PROCEDURE 1. Set indoor thermostat selector switch to OFF. 2. Turn ON all electrical disconnect devices. 3. If unit has a crankcase heater, energize the heaterand wait 24 hours before proceeding. 4. Set indoor t...
Page 13 - SEQUENCE OF OPERATION
INSTALLATION INSTRUCTIONS 3-phase R-22 Split System Heat Pump 506 01 5001 00 13 Figure 16 R-22 Required Liquid Line Temperature ( ° F) - Cooling Mode Measured Liquid Pressure (psig) Rating Plate (required) Subcooling Temperature ( ° F) Measured Liquid Pressure (psig) Rating Plate (required) Subcooli...
Page 14 - TROUBLESHOOTING; Diagnostics device in the control box (refer to; MAINTENANCE; Coil may occasionally require cleaning with
INSTALLATION INSTRUCTIONS 3-phase R-22 Split System Heat Pump 14 506 01 5001 00 TROUBLESHOOTING Some models are factory equipped with the ComfortAlert t Diagnostics device in the control box (refer to Figure 17). Comfort Alert provides around-the-clockmonitoring for common electrical problems, compr...