49
Checking the free running of the fan in the external unit
Danger
Contact with the fans while they are operating
can result in serious cutting injuries.
■
Isolate the external unit from the power supply
and safeguard against reconnection.
■
Do not open the appliance until the fan has
come to a stop.
1.
■
Type AWB/AWB-AC 201.B04:
First remove the top cover and then the front
panel.
■
Type AWB/AWB-AC 201.B05 to B13, 201.C10
to C16:
Remove the air discharge grille from the external
unit.
2.
Turn the fan by hand.
Cleaning the external unit heat exchanger (evaporator)
Danger
Touching 'live' components and their contact
with water can result in serious injury due to
electric shock.
■
Isolate the external unit from the power supply
and safeguard against reconnection.
■
Protect the external unit against moisture.
Danger
Contact with the fans while they are operating
can result in serious cutting injuries.
■
Isolate the external unit from the power supply
and safeguard against reconnection.
■
Do not open the appliance until the fan has
come to a stop.
Cleaning with compressed air
1.
Open the external unit casing.
Danger
The sharp edges of the heat exchanger
(evaporator) can cause injuries.
Avoid contact.
2.
!
Please note
Excessive air pressure from the front and
sides can result in the deformation of the alu-
minium fins of the heat exchanger.
Only point the compressed air gun at the
heat exchanger from the front and from an
adequate distance.
Clean the heat exchanger
from the inside out
with
compressed air.
3.
Check the aluminium fins of the heat exchanger for
deformation and scratches. If necessary, repair with
a suitable tool (e.g. fin comb).
4.
Close the external unit casing.
Checking thermal insulation of flared connections
Commissioning, inspection, maintenance
Checking electrical connections of the internal unit for firm seating
5700 542 GB