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REVO-E Heat pump 4 Function and functional schematics
4.5.4 Refrigerant circuit function schematic of the heat pump with hot gas de-icing
(11123865_ only)
This mode is only available with the 11123865_ (addi-
tional solenoid valve) and allows the use of the system up
to an outside temperature of -5°C.
Abb. 417 Refrigerant circuit function schematic of the heat pump with hot gas de-icing (11123865_)
High pressure area / charging phase
Outer heat exchanger
Inner heat exchanger (passenger compartment)
Expansion valve
Filter dryer
Receiver
Check valve
4-way reversing valve
Compressor
(ADA 11123865_only)
Muffler
Solenoid valve
Sight glass
3-way distributor
Solenoid valve
Suction
sensor
High pressure sensor
pressure
Solenoid valve hot gas de-icing
Front box
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