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Service Manual
Troubleshooting Guide
Troubleshooting Guide
Refrigeration Cycle Diagram
Refrigerant Flow
Cooling
Heating
Th1: Discharge thermistor
Th2: Discharge thermistor
Th3: Outdoor temperature thermistor
Th4: Defrost thermistor
Field Piping
Gas
Field Piping
Liquid
Room A
EEV-B
EEV-A
Heat
Exchanger
Header
OUTDOOR UNIT
Room B
Ø9.52
Room A
Room B
Ø6.35
Ø6.35
Ø9.52
Th2
High pressure S/W
Th3
Th4
Th1
Constant
Compressor
Constant
Compressor
Accumulator
Strainer
1. A-MMC18FA-1
Field Piping
Gas
Field Piping
Liquid
Refrigerant Flow
Th1: Discharge thermistor
Th2: Discharge thermistor
Th3: Outdoor temperature thermistor
Room A
Cooling
EEV-B
EEV-A
Heat
Exchanger
Header
OUTDOOR UNIT
Room B
Ø9.52
Room A
Room B
Ø6.35
Ø6.35
Ø9.52
Th2
High pressure S/W
Th3
Th1
Constant
Compressor
Constant
Compressor
Accumulator
Strainer
2. A-MMH18FA-1