Atag iR 12

Installation & Servicing instructions ATAG iR-Range
44
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.
Ignition electrode
Replacing the ignition electrode is necessary when the pins are worn.
If the inspection hole is damaged, the entire ignition electrode has to be replaced.
It is replaced as follows:
- Take away the plug connections on the ignition electrode;
- Push the clip on top of the electrode upwards and take away the electrode;
- Remove and replace the gasket;
Reassembly takes place in reverse order.
Always replace the gaskets of the removed parts during maintenance.
Puttheboilerbackintooperationandcarryoutauegasanalysis(seepage34).
Figure 16.f
HEX KEY
2.
OPEN
1.
CLOSED
3.