NOTE A
TXV
S
D
COMPRESSOR
NOTE A
NOTE A
FIELD SUPPLIED
INTER-CONNECTING
TUBING
EQUALIZER
LINE
OUTDOOR COIL
INDOOR COIL
AIR HANDLER
AIR
AIR
TXV
SERVICE
VALVE
EXPANSION
VALVE BULB
SERVICE
VALVE
GAUGE
CONNECTIONS
DISCHARGE TEMPERATURE
LIMIT (DTL)
HIGH PRESSURE
SWITCH (HPCO)
DE-ICE LOOP
NOTE A
CHECK
VALVES
4-WAY
SWITCHOVER
VALVE
LOW PRESSURE SWITCH
(LPCO)
EQUALIZER
LINE
NOTE A: ONLY ONE OUTDOOR AND INDOOR
COIL REFRIGERANT ENTRY AND
EXIT CIRCUIT IS SHOWN. ALL
MODELS HAVE MULTIPLE ENTRY
AND EXIT CIRCUITS.
INDICATES DIRECTION OF
REFRIGERANT FLOW
HEAT PUMP CIRCUIT DIAGRAM
HEATING MODE
NOTE B: DUAL CIRCUIT MODELS HAVE 2
REFRIGERATION CIRCUITS.
V
V
FILTER DRIER
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