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10.3
Refrigerant circuit
EL1
TL2
1
TA4
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
AW 4 | 5 | 7 OR-S – 6721866761 (2023/06)
TR1
TR6
MR1
JR1
ER1
TR5
JR0
Inverter
PL3
TR4
M
VR1
Technical information and reports
3
2
EC1
M
VR4
TC3
2
TR3
4
5
0010038445-001
25
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