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Atag i Series Installation & Servicing Instructions

Atag i Series
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Installation & Servicing instructions ATAG iC-Range
69
The following operations must be performed carefully in relation to the vulnerability of the non return
valve.
- After removing the burner cassette (8) the non return valve (12) becomes visible. Check that the non
return valve entire circumference closes / seals completely. The valve should be able to move freely from
fully open to fully closed (see g. 16.e). Replace the non return valve if the valve does not seal properly.
Follow the instructions supplied with the new part.
- Replace the gasket (9) between the burner (8) and upper casing (10) ;
- Replace the gasket (11) between the upper casing (10) and exchanger (Note the position in gure 16.f):
- Check the venturi (13) for pollution and clean them with a soft brush in combination with a vacuum
cleaner, if necessary.
If the inside of the boiler casing is heavily polluted with dust, it is likely that the fan impeller is also polluted.
To clean the fan, it has to be removed from the upper tray and the venturi. Clean the impeller with a soft
brush and a vacuum cleaner. Replace the gasket and take care that the new gasket is installed properly
when reassembling the fan parts.
Reassembly takes place in reverse order.
Heat exchanger
- Check the heat exchanger for pollution. Clean it, if necessary, with a soft brush and a vacuum cleaner.
Avoid any pollution falling down.
TOP-FLUSHING THE EXCHANGER WITH WATER IS NOT ALLOWED.
Reassembly takes place in reverse order.
During installation pay attention to the correct position of the clamp bars.
These have to be in a vertical position.
10
9
8
11
Figure 16.g
Figure 16.d
13
Figure 16.h
12
12
Figure 16.e
Figure 16.f
HEX KEY
2.
OPEN
1.
CLOSED
3.

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Atag i Series Specifications

General IconGeneral
BrandAtag
Modeli Series
CategoryBoiler
LanguageEnglish

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