Page 2 - Fig. 2—Connecting Tubing Installation; UNIT BASE PAN
INSTALLATION Specifications for this unit in residential new construction marketrequire the outdoor unit, indoor unit, refrigerant tubing sets,metering device, and filter drier listed in presale literature. Therecan be no deviation. Consult the Application Guideline andService Manual — Residential S...
Page 3 - Step 7—Making Piping Connections
Remove indoor coil piston if unit is to be installed on systemwith a TXV metering device. IMPORTANT: The TXV should be mounted as close to the indoor coil as possible and in a vertical, upright position. Avoidmounting the inlet tube vertically down. Valve is more susceptibleto malfunction due to deb...
Page 4 - Step 8—Make Electrical Connections; Fig. 5—Position of Sensing Bulb; SENSING BULB
If ANY refrigerant tubing is buried, provide a 6 in. verticalrise at service valve. Refrigerant tubing lengths up to 36 in.may be buried without further special consideration. Do notbury lines for lengths over 36 in. To prevent damage to unit or service valves observe thefollowing:• Use a brazing sh...
Page 5 - Table 2—Accessory Usage
on unit rating plate. Contact local power company for correction ofimproper voltage. See unit rating plate for recommended circuitprotection device. NOTE: Operation of unit on improper line voltage constitutes abuse and could affect unit reliability. See unit rating plate. Do notinstall unit in syst...
Page 6 - Step 9—Compressor Crankcase Heater; Fig. 7—Deep Vacuum Graph; MINUTES; Fig. 8—Triple Evacuation Method
The unit cabinet must have an uninterrupted or unbrokenground to minimize personal injury if an electrical faultshould occur. The ground may consist of electrical wire ormetal conduit when installed in accordance with existingelectrical codes. Failure to follow this warning can result in anelectric ...
Page 7 - Step 12—Check Charge; Fig. 10—Phase Monitor Control; LED; No call for compressor operation; FLASHING; Reversed phase; ON; Normal
• 3-phase scroll compressors are rotation sensitive.• A flashing LED on phase monitor indicates reverse rotation.(See Fig. 10 and Table 3.)• This will not allow contactor to be energized.• Disconnect power to unit and interchange 2 field wiringleads on unit contactor. Follow these steps to properly ...
Page 9 - Table 5—Superheat Charging; OUTDOOR
Table 5—Superheat Charging OUTDOOR TEMP (°F) EVAPORATOR ENTERING AIR TEMPERATURE (°F WB) 50 52 54 56 58 60 62 64 66 68 70 72 74 76 55 9 12 14 17 20 23 26 29 32 35 37 40 42 45 60 7 10 12 15 18 21 24 27 30 33 35 38 40 43 65 — 6 10 13 16 19 21 24 27 30 33 36 38 41 70 — — 7 10 13 16 19 21 24 27 30 33 36...
Page 10 - Fig. 11—Generic Wiring Diagram; LEGEND; FIELD SPLICE CONNECTION
24 VAC HOT 24 VAC COM R C G W/W1 Y/Y2 R C C A/C THERMOSTAT Typical FAN COIL AIR CONDITIONER G W2 HEAT STAGE 1 COOL STAGE 1 INDOOR FAN 24 VAC HOT 24 VAC COM R C G W/W1 Y/Y2 R C C A/C THERMOSTAT Typical FURNACE AIR CONDITIONER Y G W HEAT STAGE 1 COOL STAGE 1 INDOOR FAN A02326 Fig. 11—Generic Wiring Di...