75
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 casing of the external unit.
Checking electrical connections of the external unit for firm seat-
ing
Danger
Contact with 'live' components
can result in severe injuries.
Capacitors remain 'live' after the
power supply has been switched
OFF.
Wait at least 4 min, until the
capacitors have discharged,
before starting work on the exter-
nal unit.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5782 201 GB
Service
Содержание AWT-AC 221.A04
Страница 18: ...18 10 9 11 Installation sequence Installing the internal unit cont 5782 201 GB ...
Страница 20: ...20 2x 4x 6x 4x 22 21 20 19 Installation sequence Installing the internal unit cont 5782 201 GB ...
Страница 88: ...88 Removing cover from programming unit if necessary 5 4 4x Troubleshooting Repairs cont 5782 201 GB ...
Страница 102: ...102 0006 0003 0005 0001 0007 0008 0002 0004 0010 0009 Parts lists internal unit Internal unit casing cont 5782 201 GB ...
Страница 155: ...155 5782 201 GB ...