30
SSP-SVX001B-EN
Figure 20. Typical split system heat pump - cooling - refrigerant circuit
Note A
Note A
S
D
COMPRESSOR
Note A
OUTDOOR COIL
INDOOR COIL
AIR
AIR
TXV
Note A
FILTER DRIER
TXV
FIELD SUPPLIED
INTER-CONNECTING
TUBING
EQUALIZER
TUBE
EXPANSION
VALVE BULB
CHECK
VALVES
GAUGE
CONNECTION
HIGH PRESSURE
SWITCH (HPCO)
DISCHARGE TEMPERATURE
LIMIT(DTL)
LOW PRESSURE
SWITCH (LPCO)
EXPANSION
VALVE BULB
4-WAY
SWITCHOVER
VALVE
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.
HEAT PUMP CIRCUIT DIAGRAM
COOLING MODE
INDICATES DIRECTION OF
REFRIGERANT FLOW
NOTE B: DUAL CIRCUIT MODELS HAVE 2
REFRIGERATION CIRCUITS.
Figure 21. Typical split system heat pump - heating - refrigerant circuit
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
EXPANSION
VALVE BULB
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.
FILTER DRIER
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