Operation Manual

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16/09/2015 - 300017846-02 GTU C 330
7. Checking and maintenance
7 Checking and maintenance
7.1 Checks
Make the following checks at least 1 time a year:
- Safety devices
-
System pressure
- Checking burner safety
- Checking the safety thermostat
- Condensates neutralisation system
Carry out the following maintenance at least 1 time a year:
- Cleaning the burner
- Cleaning of the heating body
- Cleaning of the condenser
- Cleaning the siphon
- Cleaning the flue gas circuit
7.2 Hydraulic pressure
Checking the hydraulic pressure. The hydraulic pressure must be a
minimum of 0.8 bars. Adjust the pressure if necessary, avoiding a
sudden influx of cold water into the boiler when it is hot.
This operation should be required only a few times in each heating
season, with very low quantities of water; otherwise, look for the leak
and repair it.
7.3 Draining
We advise you against draining the system unless it is absolutely
necessary.
7.4 Maintenance

The boiler will only operate efficiently if the exchange
surfaces are kept clean.
Ensure the Appliance is serviced in accordance with the
manufacturer's instructions by a suitable qualified person.
` The boiler must be serviced and fully cleaned and the flue gas
conduit swept by a qualified professional at least 1 times per
year.
` The condenser and the condensates neutralisation station must
serviced at least once a year by a qualified professional.
The siphon and the condensates evacuation conduit must
imperatively be checked and cleaned at least once a year.