Refrigerant Circuit - Trane Odyssey TWA0724 A Series Installation, Operation And Maintenance Manual

Refrigerant Circuit

Figure 18. Typical split system heat pump - cooling - refrigerant circuit
Note A
TXV
AIR
CHECK
VALVES
Note A
INDICATES DIRECTION OF
REFRIGERANT FLOW
Figure 19. Typical split system heat pump - heating - refrigerant circuit
NOTE A
EQUALIZER
LINE
TXV
AIR
NOTE A
DE-ICE LOOP
INDICATES DIRECTION OF
REFRIGERANT FLOW
SSP-SVX001B-EN
HEAT PUMP CIRCUIT DIAGRAM
COOLING MODE
EQUALIZER
LINE
4-WAY
SWITCHOVER
VALVE
EXPANSION
VALVE BULB
FILTER DRIER
GAUGE
CONNECTION
LOW PRESSURE
DISCHARGE TEMPERATURE SWITCH (LPCO)
LIMIT(DTL)
NOTE A: ONLY ONE OUTDOOR AND INDOOR
COIL REFRIGERANT ENTRY AND
EXIT CIRCUIT IS SHOWN. ALL
MODELS HAVE MULTIPLE ENTRY
AND EXIT CIRCUITS.
NOTE B: DUAL CIRCUIT MODELS HAVE 2
REFRIGERATION CIRCUITS.
HEAT PUMP CIRCUIT DIAGRAM
HEATING MODE
4-WAY
SWITCHOVER
VALVE
FILTER DRIER
GAUGE
CHECK
CONNECTIONS
VALVES
DISCHARGE TEMPERATURE
LIMIT (DTL)
NOTE A: ONLY ONE OUTDOOR AND INDOOR
COIL REFRIGERANT ENTRY AND
EXIT CIRCUIT IS SHOWN. ALL
MODELS HAVE MULTIPLE ENTRY
AND EXIT CIRCUITS.
NOTE B: DUAL CIRCUIT MODELS HAVE 2
REFRIGERATION CIRCUITS.
FIELD SUPPLIED
INTER-CONNECTING
TUBING
EXPANSION
VALVE BULB
HIGH PRESSURE
SWITCH (HPCO)
D
S
COMPRESSOR
FIELD SUPPLIED
INTER-CONNECTING
TUBING
EXPANSION
VALVE BULB
HIGH PRESSURE
SWITCH (HPCO)
LOW PRESSURE SWITCH
(LPCO)
D
S
COMPRESSOR
EQUALIZER
Note A
TUBE
TXV
AIR
Note A
0000023130
EQUALIZER
LINE
NOTE A
TXV
AIR
NOTE A
I I n n s s t t a a l l l l a a t t i i o o n n
29