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Fig. 62 Thermal insulation on the heat exchanger
[1]
Clip
[2]
Thermal insulation
▶ Unscrew the fixing nuts on the cleaning covers [1] of the heat
exchanger.
▶ Remove the cleaning covers.
1
Fig. 63 Removing the cleaning covers
[1]
Cleaning cover
CAUTION
Risk of injury from sharp edges of cleaning blade!
▶ To avoid injury, wear protective gloves when cleaning the boiler using
cleaning blades (accessories).
▶ Clean the heat exchanger hot gas flues horizontally and diagonally
using the cleaning blade.
Condens 7000 FP – 6721846699 (2022/12)
1
2
1
Fig. 64 Cleaning the heat exchanger horizontally
[1]
Cleaning blade (available as accessory)
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1
Fig. 65 Cleaning the heat exchanger diagonally
[1]
Cleaning blade (available as accessory)
▶ Remove dirt particles from the condensation catch pan (e.g. using a
vacuum cleaner).
▶ Reinsert the dirt trap.
▶ Replace faulty gaskets, observe replacement intervals.
▶ Make (trapezoid) sure the covers and gaskets are positioned
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correctly.
▶ Screw the cleaning access cover back on according to the following
tightening diagram (1-2-3-4-5-6-7-8-9; Fig. 66) (tightening
torque: 7 Nm) or wet clean the heat exchanger.
Recommended: put on all cleaning access covers and always screw them
on in pairs according to the tightening diagram.
Inspection and maintenance
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45
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