Normal Operation (Heat Mode) - Toshiba MMY-MAP0724HT6UL Service Manual

5-3. Normal operation (HEAT mode)

Header unit (MMY-MAP0964HT6UL)
Pressure sensor
(high pressure)
Liquid tank
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"
4-Way valve
Pressure sensor
(low pressure)
Accumulator
Balance pipe
Liquid pipe
Gas pipe
Liquid pipe
High-pressure gas or condensate liquid refrigerant
Evaporative gas refrigerant (low-pressure gas)
Normal refrigerant line
Follower unit (MMY-MAP0724HT6UL)
Pressure sensor
(high pressure)
Liquid tank
Indoor unit
(The diagram shows a 168 type as an example.).
35
4-Way valve
Pressure sensor
(low pressure)
Accumulator