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Refrigerant System Diagram - Mitsubishi Electric Ecodan QUHZ-W40VA Service Manual

Air to water heat pump outdoor unit
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6

REFRIGERANT SYSTEM DIAGRAM

TH2
EVA
FAN
MF
TH3
Symbol
Part name
MC
Compressor
HPS
High pressure switch
MUFF
Muffler
GC
Gascooler
SLHX
Suction line heat exchanger
ST
Strainer
LEV
Linear expansion valve
CT
Capillary tube
EVA
Evaporator
TH1
Discharge temperature thermistor
TH2
Defrost thermistor
TH3
Ambient temperature thermistor
TH4
Hot water temperature thermistor
MF
Fan motor
FAN
Propeller Fan
GHH15010
SLHX
ST
LEV
CT
Detail
DC inverter single rotary compressor(Mitsubishi Electric Corporation)
For protection(OFF:15MPa)
For noise reduction
Heat exchanger (2pass)
#100
For LEV Control and compressor protection
For defrost control
For fan control and for compressor frequency control
For DHW pump control
8
TH1
MUFF
MC
GC
HPS
TH4
Water OUT
Water IN

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