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5.04 Switch off
To turn off the unit for a short period it is enough to switch off the switch 4 (fig. 1) on the control panel.
If the boiler has to be stopped for long period beside to act by the switch 4, it is necessary to cut the supply
of fuel by mean of the gate valve, in winter season, to avoid damages due to the frost it is necessary to add
the antifrost liquid in the system or to drain it completely.
6. Service
The after sale service must be carried out only Qualified Plumbers. It is advise to service the boiler at least
once a year, before the winter season. Check must include the boiler cleaning, the perfect operation of the
controls and the burner.
Furthermore the flue duct conditions have to be inspected.
6.01 Boiler cleaning
Cut out electric power.
The front panels 1, 2, 3 (fig. 6).
Clean the boiler internal parts.
Check the flue duct and if necessary clean it.
The burner service must be done according the Manufacture Instructions.
Tube Brush
2
1
3
Tube Brush
Fig. 6
17
GB
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