Technical information and reports
25
AW 4 | 5 | 7 OR-S – 6721866761 (2023/06)
10.3 Refrigerant circuit
Fig. 44 Refrigerant circuit
[1] Air flow
[2] Refrigerant flow, defrosting and cooling mode
[3] Refrigerant flow, heating mode
[4] To indoor unit (IDU)
[5] From indoor unit (IDU)
[EC1] Heat exchanger (condenser)
[EL1] Evaporator
[ER1] Compressor
[JR0] Low pressure sensor
[JR1] High pressure sensor
[MR1] High pressure switch
[PL3] Fan
[TA4] Temperature sensor collection tray
[TC3] Temperature sensor heat transfer medium out
[TL2] Temperature sensor air intake
[TR1] Temperature sensor compressor
[TR3] Temperature sensor condenser return (fluid) heating mode
[TR4] Temperature sensor evaporator return (fluid) cooling mode
[TR5] Temperature sensor suction gas
[TR6] Temperature sensor hot gas
[VR1] Electronic expansion valve
[VR4] 4-way valve
M
M
TR1
TR6
TR5
TR3TR4
JR1
JR0
MR1
TC3
TL2
TA4
VR1
VR4
ER1
PL3
EC1
EL1
Inverter
1
2
2
3
4
5
0010038445-001