• The water pressure in the system when cold must be approx. 1 bar; otherwise bring
it to that value.
• The circulating pump must not be blocked. (not supplied)
• The expansion tank (not supplied) must be filled.
The boiler casing, control panel and aesthetic parts can be cleaned with a soft damp cloth, if necessary
soaked in soapy water. Do not use any abrasive detergents and solvents.
Boiler cleaning
1. Disconnect the power supply to the boiler.
2. Remove the front top and bottom panel.
3. Open the door by undoing the knobs.
4. Clean the inside of the boiler and the entire path of exhaust fumes, using a tube brush or compres-
sed air.
5. Then close the door, securing it with the knob.
To clean the burner, refer to the Manufacturer's instructions.
Troubleshooting
Fault
Two shutdown conditions resettable by the user can occur :
A Burner shutdown signalled by the special indicator. Refer to the burner manual.
B Cutting in of the safety thermostat, which occurs when the boiler temperature reaches a value beyond
which a dangerous condition may be created. To restore operation, unscrew cap 3 of fig. 1 and press
the reset button below.
If the problem persists, request the assistance of Qualified Personnel or the After-Sales Centre.
In case of a fault and/or poor operation, deactivate the unit, do not try to fix the problem or directly carry
out any operation. Contact authorised and professionally qualified personnel.
TECHNICAL DATA AND CHARACTERISTICS
Pressure loss water side
l/h
UK
18