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It is recommended that the following inspections be carried out 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 combustion by-
products (see section 3.6) and cleaning of the burner if needed.
5 - If called for by point. 3, dismantling and cleaning of the combustion
chamber.
6 - If called for by point. 4, dismantling and cleaning of the burner jets.
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 (flow rate and
temperature)
13- General check of the combustion by-products of the
discharge/ventilation system.
14- Check of the general performance of the unit.
5. MAINTENANCE