Inspection and maintenance
45
Condens 7000 FP – 6721846699 (2022/12)
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.
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.
Fig. 64 Cleaning the heat exchanger horizontally
[1] Cleaning blade (available as accessory)
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
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.
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