170
Danger
Contact with live components can lead to seri-
ous injury from electric current. Some compo-
nents on PCBs remain live even after the power
supply has been switched off.
■
When working on the outdoor unit, isolate the
system from the power supply, e.g. at a sepa-
rate MCB/fuse or a mains isolator. Check the
system is no longer live and safeguard against
reconnection.
■
Prior to working on the appliance, wait at least
4 min until the voltage on the charged capaci-
tors has completely dropped out.
Outdoor unit with 1 fan
8
7
6
5
2
3
1
wP
qO
qU
qZ
qT
qR
qE
qW
9
qI
qP
4
wQ
qQ
wWwEwI wRwTwZwUwO
Fig. 115
1
Fan
2
Evaporator
3
Interior temperature sensor
4
Air intake temperature sensor
5
Accumulator (refrigerant receiver) compressor
6
Liquid gas temperature sensor, cooling
7
Schrader valve, low pressure side
8
Electronic expansion valve 2
9
Float air vent valve with quick-action air vent valve
qP
Suction gas temperature sensor, evaporator
Outdoor unit maintenance
Overview of internal components
6222080
Maintenance
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