17
SYSTEM MANAGER
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 clean-
ing product.
Carefully dry the boiler after cleaning.
a
Do not use abrasive cleaning pads or powder
detergents.
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.
b
The combustion chamber and flue pipes must
be cleaned periodically by
r
’s Technical
Assistance Service or by a qualified heating engi-
neer (see page 37).
ON
OFF
Preparing for extended periods of disuse
PREPARING FOR EXTENDED PERIODS OF DISUSE
Cleaning
CLEANING