TECHNICAL ASSISTANCE SERVICE
41
If you are going away for a short period of time like a
weekend or a short holiday, etc., and outdoor tempera-
tures are going to remain above ZERO, proceed as fol-
lows:
- Turn the function selector to OFF (
I
) and make sure that
the green power indicator goes out.
- Turn the system’s mains power switch OFF.
b
Do NOT perform this procedure if outdoor tempera-
tures might fall below ZERO (risk of freezing).
Now proceed as follows:
- Turn the boiler thermostat to about the middle of the
section with one line.
- Turn the room thermostat to about 10°C or select the
frost protection function.
If the boiler is not going to be used for an extended peri-
od of time, proceed as follows to prepare it for shut-down:
- Turn the function selector to OFF (
I
) and make sure that
the green power indicator goes out
- Turn the system’s mains power switch OFF
- Close the boiler’s fuel cock and water supply cock.
b
Drain the central heating circuit if there is any
risk of freezing.
TEMPORARY SHuTDOWN
PREPARING FOR EXTENDED PERIODS OF DISuSE
20
40
60
80
100
0
120
20
40
60
80
100
0
120
20
40
60
80
100
0
120
