Mitsubishi Electric City Multi PQHY-P72 Service Handbook page 280

SV4a
SV4b
SV4c
SV4d
Valve
Solenoid Valves Block 1
SV4b
SV4a
SV4c
TH9
10HP
Water heat exchanger
only
(Double coil type)
Water
circulating
ST14 ST15 ST16
CV9a CV10a
CV8a
Check Valves Block 1Y
6
5
Refrigerant circuit (PQHY)
SV4d
CV11
SV7b
CV7a
TH6
SV7a
CV4a
CV6a
Orifice
TH8
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[ IX Troubleshooting ]
Solenoid valve block
4
3
2
1
ST1
CV3a
TH5
TH7 ST2
ST8
LEV1
BV1
BV2