Dantherm DCU22-2000DH, Руководство по обслуживанию

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43 of 53
Follow these steps to replace the filter blockage detection fit:
Step Action
1 Switch off all powers of the unit
2
Unscrews the 12 torx screws holding the back cover in place and re-
move them
3
Unscrew the 9-M4 nuts on the side and top flange which fixed the up-
side cover
4
Unscrew the 13-M4 torx screws on the upside cover and then remove
the upside cover
5 Unscrew the 4-M3 nuts which fixed the filter blockage detection fit
6
Put out the filter blockage detection fit, use the new one replaced, and
then reconnect the signal cable and the tube
7 Mount the filter blockage detection fit again
8 Mount the cover by the step 2 to 6 in reverse order
9 Switch on power
Replacement of humidity detector (option)
The humidity detector is to detect the ambient humidity to prevent the high humidity air come in the
cabinet when the damper is open.
When to replace
The humidity detector only needs to be replaced when it is faulty. The typical faulty would be that the
damper is opening when outside is raining even the set point is lower than 50RH%
Before you start
Before you start make sure that you have the following available:
A Torx 20 screwdriver
A 7# spanner
A new humidity detector, see “spare parts” for details
Caution
Only trained or certified technicians are allowed to carry out the replacement of parts. Remember that
all power to the unit must be switched off or disconnected before start any service work on the unit.
Illustration
This illustrates where the humidity detector is placed, the humidity detector is placed in the front wa-
terproof cover.