Refrigerant Circuit Diagram - Mitsubishi Electric City Multi PUHY-P500YSHM-A Service Handbook

[ VII Refrigerant Circuit ]
VII Refrigerant Circuit

[1] Refrigerant Circuit Diagram

1. Outdoor unit
(1) PUHY-P250 model
TH7
SV5b
2. Indoor unit
(1) PFAV-P500VMH-E model
Heat exchanger
Thermistor TH1
<Room temperature detection
intake temperature>
HWE07150
21S4b 21S4a
CV1
CP2
SV9
TH2
TH3
SCC(HIC Circuit)
Thermistor TH2
<Exchanger liquid pipe
temperature detection>
CJ1
63H1
63HS1
SV1a
O/S
CP1
ST3
TH4
COMP
LEV1
TH6
Distributor
Electronic
expansion valve
Thermistor TH3
<Exchanger gas pipe
temperature detection>
- 59 -
63LS
TH5
ACC
ST6
ST7
LEV2a
LEV2b
Flow of refrigerant
Cooling
Heating
Gas pipe
Connection
by brazing
liquid pipe
Connection
by brazing
BV1
ST1
CJ2
BV2
ST2
GB