Heat Controller B-MMC09FA-1 - Troubleshooting Guide; Refrigeration Cycle Diagram

Service Manual 61
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-MMH18FA-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
Th4
Th1
Constant Compressor Constant Compressor
Accumulator
Strainer
Strainer
2. A-MMC24FA-1