Fujitsu Airstage J-II - Circuit Diagrams; Refrigerant Circuit

EEV21
EEV21
LIQUID LINE
FAN21
FAN21
Indoor unit1
Outdoor unit
HEX21
HEX21
Indoor unit2
GAS LINE
TH21
TH22
TH23
TH23
TH21
TH22
ACM
CMP
INV
OS
HEX
SC HEX
HPS
FAN1
LPS
EEV1
EEV2
TH1
TH3
TH4
TH5
TH7
TH8
TH9
TH10
SV2
HPSW
CMP
ACM
5-1 REFRIGERANT CIRCUIT
05-01
MODELS : AJ A36, 45, 54 LALH
FAN2
LPS: Low Pressure Sensor
HPS: High Pressure Sensor
ACM: Accumulator
INV: Inverter Compressor
HEX: Heat Exchanger
SCHEX: Sub cool Heat Exchanger
OS: Oil Separator
: Expansion Valve
: Solenoid Valve
: Strainer
: Check Valve
: Thermistor
: Pressure Regulation Valve
TH1: Discharge temp.
TH3: Outdoor temp.
TH4: Suction temp.
TH5: Heat Exchanger Liquid Pipe temp.
TH7: Sub cool Heat Exchanger Outlet Liquid temp.
TH8: Sub cool Heat Exchanger Inlet Gas temp.
TH9: Sub cool Heat Exchanger Outlet Gas temp.
TH10: Compressor (shell) temp
SV2: Pressure Equalization Valve
EEV1: Electric Expansion Valve 1
(Total refrigerant amount control)
EEV2: Electric Expansion Valve 2
(Liquid refrigerant amount control)
FAN1: Upper FAN
FAN2: Lower FAN
(Operation Pressure: 3.95MPa)
HEX21: Indoor uit Heatr Exchanger
TH21: Room temp.
TH22: Heat Exchanger (Inlet ) temp.
TH23: Heat Exchanger (Outlet) temp.
EEV21: Electric Expansion Valve
(Refrigerant amount adjustment )
FAN 21: Indoor unit FAN
Indoor unit
Outdoor unit