Trane TTA120D300AA, Service Facts

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SS-SVF15A-EN 5
Refrigerant Circuit
Figure 1.
FILTER DRIER FILTER DRIER
NOTE A: ONLY ONE OUTDOOR AND INDOOR NOTE A: ONLY ONE OUTDOOR AND INDOOR
COIL REFRIGERANT ENTRY AND COIL REFRIGERANT ENTRY AND
EXIT CIRCUIT IS SHOWN. ALL EXIT CIRCUIT IS SHOWN. ALL
MODELS HAVE MULTIPLE ENTRY MODELS HAVE MULTIPLE ENTRY
AND EXIT CIRCUITS. AND EXIT CIRCUITS.
TXV TXV
S
D
COMPRESSOR COMPRESSOR
LOW PRESSURE LOW PRESSURE
SWITCH (LPCO) SWITCH (LPCO)
FIELD SUPPLIED FIELD SUPPLIED
INTER-CONNECTING INTER-CONNECTING
TUBING TUBING
OUTDOOR COILOUTDOOR COIL
INDOOR COILINDOOR COIL
SERVICE SERVICE
VALVE VALVE
SERVICE SERVICE
VALVE VALVE
EXPANSION EXPANSION
VALVE BULB VALVE BULB
EQUALIZER EQUALIZER
TUBE TUBE
NOTE A NOTE A
NOTE A NOTE A
NOTE A NOTE A
NOTE A NOTE A
HIGH PRESSURE HIGH PRESSURE
SWITCH (HPCO) SWITCH (HPCO)
GAUGE GAUGE
CONNECTION CONNECTION
DISCHARGE DISCHARGE
TEMPERATURE TEMPERATURE
LIMIT (DTL) LIMIT (DTL)
NOTE B: DUAL CIRCUIT MODELS HAVE 2 NOTE B: DUAL CIRCUIT MODELS HAVE 2
REFRIGERATION CIRCUITS. REFRIGERATION CIRCUITS.
AIR AIR
AIR AIR
SUB-COOLING CIRCUIT SUB-COOLING CIRCUIT
GAUGE GAUGE
CONNECTION CONNECTION
INDICATES DIRECTION OF INDICATES DIRECTION OF
REFRIGERANT FLOW REFRIGERANT FLOW
COOLING ONLY CIRCUIT DIAGRAM COOLING ONLY CIRCUIT DIAGRAM
V
V