Valeo REVO-E, Workshop Manual

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REVO-E Heat pump 4 Function and functional schematics
4.5.3 4-way reversing valve function schematic
Depending on the position, the 4-way reversing valve
activates air conditioning or heat pump operation.
4.5.3.1 Air conditioning mode
See Fig. 415 .
The 4-way reversing valve is in zero position (not swit-
ched). The system is working in air-conditioning mode.
4.5.3.2 Heat Pump Mode
See Abb. 416 .
The 4-way reversing valve is in heat pump mode (swit-
ched). The system is in heat pump mode. The refrigerant
circuit works in reverse.
Fig. 415 Function of the 4-way reversing valve - air condtioning