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7 Maintenance
7.4.6
Cleaning the heat exchanger
Fig.85
Removing the inspection hatch
3
2
1
Fig.86
Cleaning the heat exchanger
5
4
5
7.4.7
Cleaning the condensate collector
Fig.87
Cleaning the condensate collector
3
1
70
1. Unscrew the nuts from the inspection hatch on the heat exchanger.
2. Carefully remove the inspection hatch, the insulation cloth and the
3. Inspect the insulation cloth and replace if it is faulty or seriously
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4. Clean the areas between the pins of the heat exchanger using the
5. Use compressed air to blow the cleaned parts through in turn. Do this
6. Fit the inspection hatch and the insulation cloth with a new silicon
7. Use clean water to thoroughly rinse the heat exchanger from the
7
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1. Turn both clips counterclockwise to access the sealing caps.
2. Remove both sealing caps from the condensate collector.
2
3. Thoroughly rinse each side of the condensate collector for at least 5
4. Refit both sealing caps on the condensate collector.
5. Turn both clips clockwise to secure the sealing caps.
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silicon insulation cord from the heat exchanger.
Caution
The insulation cloth may stick to the heat exchanger. Avoid
damaging or tearing the insulation cloth.
damaged.
cleaning knife. Always work from the bottom to the top. Move the
cleaning knife between the pins horizontally and diagonally.
Caution
Always use the cleaning knife specially designed for this boiler.
This knife is 560 mm long.
from the service side and from the burner area.
cord.
burner area.
minutes, with the largest possible water flow.
7734325 - v.07 - 22092022
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