21
6
DISABLING THE BOILER
The boiler must be disabled before any maintenance or repairs
are carried out. If the central heating system is not used for
a long time (during the holidays, for instance, or periods of
milder weather) it is advisable to disable the boiler.
Boiler with frost protection, during longer periods of non-
use
LT.AL.W7H.000.217 + LT.AL.W7H.000.218
LTALW7H000217a
R
LTALW7H000218a
•
Set the room thermostat to a low temperature, e.g. 10°C,
•
Switch setting
p4
to 1 (Eco mode), this will switch off
the heat retention function.
Now the boiler will only start working to protect itself against
freezing.
With an external frost protection connected, the boiler can also
prevent the central heating system from freezing.
Boiler without frost protection, during longer periods of
non-use
LT.AL.W7H.000.224
•
Switch off the boiler.
LT.AL.W7H.000.228
Gas
LTALW7H000228
•
Turn off the boiler gas tap.
Drain boiler
Drain the boiler and central heating system if you will not be
using the home for a long period and there is a chance of
night frost.
LTALW7H000224a
230 V
Summary of Contents for Avanta Plus 24s
Page 94: ...30...
Page 95: ...31...
Page 97: ...2 AVANTA PLUS 28 Combi Gas Council No 47 673 02 39 Combi Gas Council No 47 673 04...
Page 100: ...5...
Page 104: ...9...
Page 107: ...12 AVANTA PLUS 24 System Gas Council No 41 288 05...
Page 110: ...15...