match, replace indoor coil piston with piston shipped with outdoorunit. The piston shipped with outdoor unit is correct for anyapproved indoor coil combination. Do not operate unit in the vicinity of toxic or flammablematerial. Failure to follow this warning can result in personalinjury, fire, or de...
Page 3 - mm; Fig. 4—Piping Installation
To prevent compressor damage DO NOT bury more than 36in. of refrigerant tubing. If ANY tubing is buried, provide 6in. vertical rise at service valve. To prevent damage to unit or service valves observe thefollowing:• Use a brazing shield.• Wrap service valves with wet cloth or use a heat sinkmateria...
Page 4 - Step 6—Make Electrical Connections; Operation of unit on improper line voltage constitutes; Step 7—Compressor Crankcase Heater; Fig. 6—Line Power Connections
REFRIGERANT TUBING — Connect tubing to fittings on out-door unit vapor and liquid service valves. (See Fig. 2 and 5.) SWEAT CONNECTION — Use refrigerant grade tubing. Servicevalves are closed from factory and ready for brazing. Afterwrapping service valve with a wet cloth, tubing set can be brazedto...
Page 6 - Table 2—Phase Monitor LED Indicators; LED; No call for compressor; FLASHING; Reversed phase; ON; Normal; Fig. 8—Phase Monitor Control
Do not vent refrigerant to atmosphere. Recover during systemrepair or final unit disposal. 1. If equipped with a crankcase heater, energize a minimum of 24 hr before starting unit. To energize heater only, setthermostat OFF and close electrical disconnect to outdoorunit. 2. Fully open liquid and vap...
Page 7 - CARE AND MAINTENANCE; Fig. 9—Defrost Control
If defrost thermostat is in open position, and speedup pins areshorted (with a flat head screwdriver) for 5 sec and released, ashort defrost cycle will be observed (actual length is dependentupon the selected Quiet Shift position). When Quiet Shift switch isin ON position, the length of defrost is 1...
match, replace indoor coil piston with piston shipped with outdoorunit. The piston shipped with outdoor unit is correct for anyapproved indoor coil combination. Do not operate unit in the vicinity of toxic or flammablematerial. Failure to follow this warning can result in personalinjury, fire, or de...
Page 3 - mm; Fig. 4—Piping Installation
To prevent compressor damage DO NOT bury more than 36in. of refrigerant tubing. If ANY tubing is buried, provide 6in. vertical rise at service valve. To prevent damage to unit or service valves observe thefollowing:• Use a brazing shield.• Wrap service valves with wet cloth or use a heat sinkmateria...
Page 4 - Step 6—Make Electrical Connections; Operation of unit on improper line voltage constitutes; Step 7—Compressor Crankcase Heater; Fig. 6—Line Power Connections
REFRIGERANT TUBING — Connect tubing to fittings on out-door unit vapor and liquid service valves. (See Fig. 2 and 5.) SWEAT CONNECTION — Use refrigerant grade tubing. Servicevalves are closed from factory and ready for brazing. Afterwrapping service valve with a wet cloth, tubing set can be brazedto...
Page 6 - Table 2—Phase Monitor LED Indicators; LED; No call for compressor; FLASHING; Reversed phase; ON; Normal; Fig. 8—Phase Monitor Control
Do not vent refrigerant to atmosphere. Recover during systemrepair or final unit disposal. 1. If equipped with a crankcase heater, energize a minimum of 24 hr before starting unit. To energize heater only, setthermostat OFF and close electrical disconnect to outdoorunit. 2. Fully open liquid and vap...
Page 7 - CARE AND MAINTENANCE; Fig. 9—Defrost Control
If defrost thermostat is in open position, and speedup pins areshorted (with a flat head screwdriver) for 5 sec and released, ashort defrost cycle will be observed (actual length is dependentupon the selected Quiet Shift position). When Quiet Shift switch isin ON position, the length of defrost is 1...