Weishaupt WTC 45-A, Инструкция по установке и эксплуатации

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10
Dis-assembling burner cover
A 10.3 Cleaning the burner and heat exchanger
Service interval and service tasks
The burner surface should be checked for soiling
and if necessary cleaned annually.
The heat exchanger should be checked for flue gas side
soiling and if necessary cleaned annually.
A Weishaupt cleaning kit for this task is available, order
No.: 480 000 00 26 2.
The check of the degree of soiling is carried out by a
differential pressure measurement. The accessory
required is included in the cleaning kit.
Dis-assembling:
1. Close gas isolating valve, de-energise unit.
2. Undo electrical connections of gas valve, fan and
immersion coil.
3. Undo 3/4” screwed union between gas valve and gas
pipe.
4. Remove the 8 fixing nuts on the burner cover.
5. Remove burner cover with seal and flange connected
gas/air compound unit.
6. Remove burner surface.
7. Remove the 4 fixing screws on the service cover
and remove service cover.
Cleaning the burner
If the burner surface is soiled, brush out the burner
fleece, a normal domestic brush can be used to do this.
Once cleaned, ensure that the fibres of the burner fleece
in the vicinity of the ionisation electrode do not stick out
so as to cause a short circuit with the ionisation
electrode.
Cleaning the heat exchanger
Flue gas side cleaning of the heat exchanger can be
carried out using the cleaning kit available as an
accessory
(order No. 481 000 00 26 2).
Remove sediments through service opening, in particular
from condensate drain.
Clean siphon. To do this remove cover of cleaning
opening on the siphon.
Replacing seals and components
The following seals should be replaced during service:
•
Gas seal
• Service cover seal
Dis-assembling service cover
Cleaning and filling siphon