13
SYSTEM MANAGER
PREPARING FOR EXTENDED PERIODS OF DISUSE
CLEANING
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.
20
40
60
80
100
0
120
b
The combustion chamber and flue pipes must be
cleaned periodically by the Technical Assistance
Service or by a qualified heating engineer (see page
30).
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 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.