High pressure
sensor
(63HS)
Strainer
Strainer
Strainer
Strainer
Receiver
Receiver
High pressure
switch
(63H1)
Check joint
Low pressure sensor
(63LS)
Electronic expansion valve
(Main circuit) (LEV1)
High pressure
sensor (63HS)
High pressure switch
(63H1)
Compressor cover
Check joint
4-way valve
(21S4)
Solenoid valve
(Hot gas circuit)
(SV2)
Solenoid coil
Solenoid coil
4-way valve
(21S4)
Compressor
Belt heater
Solenoid valve
(Injection circuit)
(SV1)
Solenoid coil
Check valve
Strainer UL
Water side HEX
Heat exchanger
Electronic expansion valve
(Injection)
(LEV1)
Solenoid coil CAM
Check valve
Strainer UL
Solenoid valve
(Hot gas circuit)
(SV2)
Solenoid coil
Solenoid coil
Belt heater
Compressor
Solenoid valve
(Injection circuit)
(SV1)
Solenoid coil
Low pressure sensor
(63LS)
WARNING
Do not use refrigerant other than the type indicated in
the manuals provided with the unit and on the
nameplate.
• Doing so may cause the unit or pipes to burst, or result in
explosion or fire during use, during repair, or at the time of
disposal of the unit.
• It may also be in violation of applicable laws.
• MITSUBISHI ELECTRIC CORPORATION cannot be held
responsible for malfunctions or accidents resulting from the
use of the wrong type of refrigerant.
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