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B004
It is recommended that the following checks be made on the boiler at
least once a year:
1 - Check the seals for the water connections; replacement of any faulty seals.
2 - Check the gas seals; replacement of any faulty gas seals.
3 - Visual check of the entire unit.
4 - Visual check of the combustion process or analysis of flue gas (see ref 3.6)
and cleaning of the burners if needed.
5 - If called for by check no. 3, dismantling and cleaning of the combustion
chamber.
6 - If called for by check no. 4, dismantling and cleaning of the injectors.
7 - Visual check of the primary heat exchanger:
- check for overheating in the blade assembly;
- clean the exhaust fan if needed.
8 - Adjustment of the flow rate of the gas: flow rate for lighting, partial load and
full load.
9 -Check of the heating safety systems:
- safety device for maximum temperature;
- safety device for maximum pressure.
10 - Check of the gas safety systems:
- safety device for lack of gas or flame ionisation (detection electrode);
- safety device for gas cock.
11 -Check of the electrical connection (make sure it complies with the
instructions in the manual).
12 - Check of domestic hot water production efficiency (delivery rate and tem-
perature)
13 - Check of the general performance of the unit.
14 -General check of the discharge/ventilation of the combustion by-
products.
5. MAINTENANCE
5. Adjust the soft-light feature;
6. Adjust the delayed lighting feature for the heating system (can be set from
0 to 2 mins.).