DOMUSA TEKNIK AVANTTIA HDX, Инструкция по эксплуатации и руководство пользователя

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17
13 BOILER MAINTENANCE
To maintain the boiler in perfect working order, a yearly overhaul is to be performed by DOMUSA
TEKNIK’s authorised personnel.
Boiler and flue maintenance
The most important aspects to be checked are as follows:
- The water pressure in the heating installation, when the water is cold , must be between 0.1
and 0.15 MPa (1 and 1.5 bar). If it is not between these values, it must be filled until they are
reached.
- The control and safety devices (thermostats, gas valve, etc.) must function correctly.
- The burner and the inside of the boiler chamber must be clean. Soft brushes or compressed air
are recommended for cleaning the boiler, to prevent damage. Do not use chemical products.
- The expansion vessel must be full, in accordance with the specifications on the vessel plate.
- Check the gas and water installations are completely sealed.
- The flues must be free of any obstacles and have no leaks.
- The gas flow must remain between the values indicated on the
Specifications Sheet
.
- The circulating pumps and mixer valves (if the boiler is equipped with these) must not be
blocked.
Cleaning the boiler
The boiler does not require any special maintenance. Yearly cleaning at the end of the heating
season will be sufficient. The boiler chamber and burner should not be cleaned using chemical
products or steel brushes. After any cleaning operation has been carried out, it is important to
ensure that several ignition cycles are performed to check all the elements are functioning
correctly.
After checking the boiler is functioning correctly, ensure there are no leaks.
Draining the condensation water
The boiler condensation water drain outlet should not be altered in any way and it must be kept
free of obstructions. Yearly cleaning of the condensation collection siphon is recommended.
If a neutralisation system is installed at the condensation drain outlet, it should undergo periodical
maintenance, in accordance with the manufacturer’s instructions.
Cleaning products
Never use chemical products to clean the boiler. A plastic brush is sufficient, if the cleaning is
carried out annually.
The cleaning of the boiler and hydraulic circuit will have lasting effects if water with a hardness of
over 25ºF is treated previously. For softer water no treatment is required. In any case, a descaling
pump should be used to carry out the descaling process.