Trane Precedent WSJ150A - Piping Diagrams; Figure 39. Piping diagram - cooling with HGRH mode, 20 to 25 tons standard efficiency (W;DSJ240-300)

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Figure 39. Piping diagram – cooling with HGRH mode, 20 to 25 tons standard efficiency (W/DSJ240–300)
AIR
SERVICE
VALVE
SUCTION LINE
LIQUID LINE
FILTER DRIER
SERVICE
VALVE
AIR
LOW
PRESSURE CONTROL
DISCHARGE LINE
COMPRESSOR
1A
S
D
COMPRESSOR
1B
DISCHARGE
LINE
THERMOSTAT
D
DISCHARGE LINE
THERMOSTAT
S
SERVICE
VALVE
INDOOR TXV
CHECK VALVE
4 WAY VALVE
EQUALIZING LINE
INDOOR TXV BULB
RTPF OUTDOOR COIL
OUTDOOR TXV BULB
OUTDOOR
DISTRIBUTOR
HIGH
PRESSURE CONTROL
HIGH
PRESSURE CONTROL
OUTDOOR TXV
CHECK VALVE
INDOOR
DISTRIBUTOR
RTPF INDOOR COIL
RTPF REHEAT COIL
MTW-9S VALVE
B
A
SOLENOID
VALVE
EQUALIZING LINE
CHECK VALVE
Piping Diagrams