Refrigerant Circuit Diagram - Mitsubishi Electric PQHY-P72ZLMU-A Service Handbook

[ VI Refrigerant Circuit ]
VI Refrigerant Circuit

[1] Refrigerant Circuit Diagram

1. Heat source unit
(1) PQHY-P72, P96, P120 models
21S4a
CV1
CJ1
ST17
63HS1
63H1
CP1
O/S
ST3 SV1a
TH4
Comp
(2) PQRY-P72, P96, P120 models
21S4a
CJ1
ST17
63HS1
63H1
CP1
O/S
ST3
SV1a
TH4
Comp
HWE15150
SV7a
THINV LEVINV
INV-HEX
TH5
63LS
CJ2
Acc
SV7a
THINV LEVINV
INV-HEX
ST13
TH5
LEV6
63LS
Acc
CJ2
Solenoid valve block
SV4a SV4b
SV4d
SV7b
Water heat exchanger
(plate type)
LEV7
TH3
LEV6
Solenoid valve block
SV4a SV4b
SV4d
SV7b
Water heat exchanger
(plate type)
LEV7
CV6a
SV9 ST18
- 123 -
ST1
TH8
TH7
Water circuit
SCC
TH6
ST2
LEV1
TH2
TH8
TH7
Water circuit
CV2a CV5a
ST1
CV3a
BV1
BV2
BV1
BV2
GB