SERVICE COMFORT AIR CURTAIN
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2. Remove the control circuit board 2.
3. Disconnect all unit-connected connectors and grounded
connections from the control circuit board.
For electrically heated units:
1. Disconnect all connectors and earth contacts connecting
the unit and control circuit board 1.
2. Remove the control circuit board.
See also:
6.2.2 "Opening the unit" on page 40
6.3 Fuses
The unit’s control circuit board has two fuses – 1 and 2. Val-
ues have been marked on the PCB.
Electrically heated units have an extra fuse 3. The value is
indicated on the fuse.
Units that are water-heated and (ambient) units without heat-
ing have two extra fuses in the unit 4. The value is indicated
on the fuses.
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