How to service the heating coil
Intervals
Once annually.
Before start
The following must be available:
•
Compressed air or a vacuum cleaner
•
A soft brush
Warning!
Do not forget to disconnect all current to the unit and the unit parts before service.
Take care not to damage the slats of the coils.
Do not touch the hot coils.
Illustration
The heating coil:
Procedure
Do as follows to service the heating coils:
Step
Action
1
Check the coils for dust or dirt. If necessary, clean the alu slats by a soft
brush or a vacuum cleaner.
Alternatively you may blow compressed air through the coil against the
normal air direction
2
Straighten any bent slats using appropriate tools
3
Check that the clip-on sensors are properly fixed
4
Air the coil circuits through the exhaust valves of the pipe system (air in the
pipe system may reduce the capacity)
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