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disconnect the rubber pipe P (Figure 5.3).
12 Unscrew the screws Q and remove the clamps (Figure 5.3).
13 Disconnect the two connectors R by pressing the plastic hook
placed on the side of the connector (Figure 5.3).
14 Remove the Condensing heat exchanger by levering it and
sliding it forwards.
15 Reassemble the Condensing heat exchanger carrying out
the removal operations in reverse order.
ensure to tighten the nuts h - figure 5 .2 firmly.
5 .3 cleaning
If there are deposits of dirt on the coil of the Condensing heat
exchanger, clean with a bristle paintbrush and remove the dust
with a hoover.
warning: after cleaning or replacement as detailed
above, if it deemed necessary to undertake a com-
bustion analysis as detailed in chapter 11 .3 section
11 .
figure 5 .4
caution:
After any periodical servicing or disturbance the combustion
chamber silicon seal (S) Figure 5.4 and the Air-gas duct gasket
(Figure 5.5) must be fully inspected and replaced at the discre-
tion of the service engineer.
After any disturbance to the chamber door seal the appiance
must undergo a full analytical combustion performance check.
figure 5 .5
Condensing heat exChanger
s
- 15 -
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