Mitsubishi Electric PQHY-P72ZLMU-A Service Handbook page 91

[ III Heat source Unit Components ]
(4) PQRY-P144, 168, 192ZLMU-A
Check valve (CV6a)
Check valve (CV5a)
Solenoid valve(SV9)
Solenoid valve(SV7b)
Solenoid valve block
(SV4a, SV4b, SV4d)
Solenoid valve(SV7a)
Solenoid valve
(SV1a)
Oil separator(O/S)
HWE15150
LEVINV
LEV6
Transformer Box
Compressor(COMP)
High-pressure switch(63H1)
Component cooler heat exchanger
Check valve (CV3a)
Refrigerant service valve
(high pressure) (BV2)
High-pressure sensor(63HS1)
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4-way valve(21S4b)
4-way valve(21S4a)
Water heat exchanger
Check valve (CV2b)
Low-pressure sensor (63LS)
Check valve (CV2a)
Solenoid valve (SV7c)
LEV7
Check joint (low pressure)
(CJ2)
Check joint (high pressure)
(CJ1)
Accumulator (ACC)
Refrigerant service valve
(low pressure) (BV1)
GB