Mitsubishi Electric R410A Service Handbook page 64

[3-1 External Appearance and Refrigerant Circuit Components of Outdoor Unit ]
(3) PUHY-P120, P144, P168TLMU
PUHY-P120, P144, P168YLMU
4-way valve (21S4a)
2-way valve (SV5b)
Subcool coil
Linear expansion valve
(LEV2a)
Linear expansion valve
(LEV1)
Transformer box Transformer box
(YLMU only) (YLMU only)
Linear expansion valve
(LEV2b)
Liquid side valve (BV2)
for indoor unit
HWE14080
4-way valve
Check valve (CV1)
(21S4b)
Solenoid
valve (SV2)
Gas side valve (BV1) Solenoid valve
for indoor unit (SV9)
4-way valve (21S4c)
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High-pressure sensor (63HS1)
High-pressure
swich (63H1)
High-pressure
Low-pressure sensor (63LS)
check joint (CJ1)
Low-pressure check joint
Accumulator
Solenoid valve
(SV1a)
Compressor
cover
Compressor
Oil separator
GB