Refrigerant Circuit
1. Refrigerant Circuit .................................................................................84
1.1 Outdoor Units ...............................................................................84
1.2 BP Units........................................................................................86
2. Functional Parts Layout ........................................................................87
2.1 Outdoor Units ...............................................................................87
3. Refrigerant Flow for Each Operation Mode...........................................88
3.1 Cooling Operation.........................................................................88
3.2 Heating Operation ........................................................................89
3.3 Cooling Oil Return Operation........................................................90
3.4 Heating Oil Return Operation & Defrost Operation.......................91
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