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6. Useful Advice
• For reasonably economical service
install a room thermostat.
• Never shut off the radiator in the area
where the room thermostat is
installed.
• If a radiator (or a convector) does not
heat up, check that no air is present in
it and that its valve is open.
• If the ambient temperature is too high,
do not alter the radiator valves.
Reduce the central heating
temperature instead by means of the
room thermostat and the knob (B in
Fig. 6.1).
• The built in antifreeze system and any additional system protect the boiler from
possible damages due to the icing.
• This system doesn't guarantee the protection of the whole central heating system.
• In the case that the external temperature may be lower than 32°F it is suggested to
leave the system running setting the room thermostat at a low temperature.
• When the boiler is completely switched off for a long period, it is recommended to
empty completely central heating circuit.
• For efficient and continuous operation of the boiler, it is advisable to arrange
maintenance and cleaning by an Authorised Service Person, at least once a year.
• During the service, the most important components of the boiler will be inspected and
cleaned. This service can be part of a maintenance contract.
In particular, you are advised to have the following checks carried out:
• primary heat exchanger;
• burner;
• exhaust fume duct and flue;
• pressurization of the expansion vessel;
• filling up of the central heating circuit;
• bleeding of air from the central heating system;
• general check of the appliance's operation.
RIVA HEAT ONLY USER MANUAL – REV A
6.1 Central Heating:
6.2 Frost Protection:
6.3 Periodic Maintenance:
B
Figure 6.1
15
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