Toshiba MMY-MAP0724HT6UL - Normal Operation (HEAT Mode)

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5-3. Normal operation (HEAT mode)
Header unit (MMY-MAP0964HT6UL)
Pressure sensor
(high pressure)
Follower unit (MMY-MAP0724HT6UL)
4-Way valve
Liquid tank
Accumulator
Balance pipe
Liquid pipe
Gas pipe
Liquid pipe
Liquid tank
Pressure sensor
(high pressure)
Pressure sensor
(low pressure)
Accumulator
4-Way valve
Indoor unit
Pressure sensor
(low pressure)
High-pressure gas or condensate liquid refrigerant
Evaporative gas refrigerant (low-pressure gas)
Normal refrigerant line
Note: The "header unit" is the outdoor unit to which the indoor-outdoor communication line is connected. All other
outdoor units are called "follower units" (The diagram shows a 168 type as an example.).