Compact Condens : A1003043 - 664Y7200 • A
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33
MAINTENANCE
CLEANING THE EXCHANGER
Set-up conditions
•
Boiler shut down
•
External power supply isolated
•
Gas supply closed
•
Burner and fan assembly removed i.a.w. procedure “Removal, Check and Installation of the Burner”
on page 32.
•
Front and side panel(s) open, refer to “Removal and Installation of the Front and Side Panels” on page 23.
Procedure
1.
Open the inspection sump cover, refer to “Models - Compact Condens 170- 210 - 250 - 300” on page
15 for location.
2.
Inspect and clean the inner part of the sump and the bottom part of the heat-exchanger using a
nylon brush and a vacuum cleaner.
3.
In case of clogging in this section, remove the left inspection covers and clean this section.
Never use a metal brush to clean the heat exchanger.
4.
Using a nylon brush, and a vacuum cleaner, clean the combustion chamber.
5.
Pour some water in the chamber to flush away any foreign deposits that may be present in the heat
exchanger.
6.
Clean the condensate trap and fill the syphon with clean water.
Follow-on tasks
1.
Reinstall the syphon.
2.
Close all inspection covers.
3.
Reinstall the burner according to procedure “Removal, Check and Installation of the Burner” on
page 32.
4.
Restart the boiler in accordance with procedure “Restarting after Maintenance” on page 33.
RESTARTING AFTER MAINTENANCE
Set-up conditions
•
All removed components reinstalled
•
All connections made
•
Power supply
•
Gas supply open
•
Hydraulic circuit(s) full of water
Procedure
1.
Make sure there is no gas leak at the gas connections.
2.
Switch the appliance on using the ON/OFF master switch.
3.
Set the appliance at maximum power and check the absence of gas leaks.
4.
Check the gas pressure and CO
2
adjustment in accordance with “Checking and Adjusting the Burn-
er” on page 29.
Follow-on tasks
1. Close all opened panels, refer to “Removal and Installation of the Front and Side Panels” on page 23.
2.
Check there are no leaks.
