Mitsubishi Electric PQHY-P72ZLMU-A Service Handbook page 88

[ III Heat source Unit Components ]
2. Refrigerant circuit
(1) PQHY-P72, 96, 120ZLMU-A
LEV6
Check valve (CV1a)
Double pipe(SCC)
High-pressure switch(63H1)
High-pressure sensor(63HS1)
LEV1
Solenoid valve Oil separator(O/S)
(SV1a)
HWE15150
Transformer Box
Compressor(COMP)
Solenoid valve (SV7b)
Low-pressure sensor (63LS)
Component cooler heat exchanger
Gas refrigerant service valve (BV1)
Liquid refrigerant service valve (BV2)
Check joint (low pressure) (CJ2)
Check joint (high pressure) (CJ1)
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4-way valve(21S4a)
Solenoid valve block
(SV4a, SV4b, SV4d)
LEVINV
Solenoid valve(SV7a)
LEV7
Water heat exchanger
Accumulator (ACC)
GB