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MAINTENANCE

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.