18
HEATING ENGINEER
b
The combustion chamber and flue pipes must be
cleaned periodically by the Technical Assistance
Service or by a qualified heating engineer (see
page 40).
If the boiler is not going to be used for an extended
period of time, perform the following operations:
- Turn the control panel power switch OFF and make
sure that the green power indicator goes out
- Turn the mains power switch OFF
- Close the fuel cock and heating circuit water cock
- Drain the central heating circuit if there is any risk of
freezing
b
Contact
r
Technical Assistance Service if you
encounter any problems in completing the above
procedure.
Use a cloth damped in soapy water to clean the boiler’s
external casing.
To remove stubborn marks, use a cloth damped in a
50% mix of water and denatured alcohol or a suitable
cleaning product.
Carefully dry the boiler after cleaning.
a
Do not use abrasive cleaning pads or powder deter-
gents.
a
Never clean the boiler without first disconnecting it
from the mains electricity supply by turning the main
power switch and the control panel switch OFF.
ON
OFF
Preparing for extended periods of disuse
PREPARING FOR EXTENDED PERIODS OF DISUSE
Cleaning
CLEANING
