Service Manual

02-10
EEV 1
EEV 2
Initialization conditions:
Control range
operation range stop
11 - 480 pulses
0 pulses
0 pulses
2-7 EXPANSION VALVE CONTROL
Cooling
Cooling Main
Operation mode
52- 480 pulses
Heating
Heating Main
- When power turned On. - When operation stopped.
SCHEX
FAN1
EEV1
EEV2
TH2
TH9
HEX1
TH7
TH10
HEX2
TH4
RCV
TH5
TH6
TH8
4WV 1
4WV 2
EEV3
SV4
Cooling
Cooling Main
Heating
Heating Main
0 pulses
0- 500 pulses
EEV 3
- Liquid Pressue control (TH4)
- HEX balance (TH9,TH10)
"TH9 TH10"
- SH control (TH7,TH8 - LPS )
"Target SH: 8 F (4 C)
"
- Protection (TH1) (LPS)
Contrl and detection
The EEV controls the flow of refrigerant
- SH control (TH6 - LPS )
"Target SH: 8 F (4 C)
"
- Protection (TH1)
FP