Combined Refrigerant Piping System Schematic Diagrams; Normal Operation (Cool Mode / Defrost Mode) - High Outside Air Temperature; (20 °C) Or Above) - Toshiba MMY-MAP0724HT6UL Service Manual

5
Combined Refrigerant Piping System
Schematic Diagrams
5-1. Normal operation (COOL mode / DEFROST mode) -
high outside air temperature (roughly 68 °F (20 °C) or
above)
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.)
33
4-Way valve
Pressure sensor
(low pressure)
Accumulator
Note: In DEFROST mode, PMV4 also opens.