9
Technical Features
ENGLISH
1.8 - BOILER ANTIFREEZE
PROTECTION
It is activated by default
This protection can trigger only if the electricity
and gas supplies are connected.
If one of the two is not available and upon reset
11 (SM) a temperature level between 2 and
5°C is detected, the appliance will behave as
described in the table below, pos 2.
The heating system can be protected eectively
from frost by using antifreeze products with
inhibitor for heating systems (specic for multi-
metal)
Do not use car engine antifreeze products as
they could damage the water gaskets.
P
O
S
ANTIFREEZE FUNCTION
Supplies 11 - SR (*) Status
antifreeze func-
tion
Actions
Electric Gas
1 ON ON < 7 °C ON - Burner and Pump ON until T > 15°C
2
ON OFF
< 5 ÷ 5 °C OFF
FAULT SIGNAL CODE 16
(see par. 4.4 ERROR CODES).
Ignition inhibited.
OFF ON OFF Ignition inhibited.
OFF OFF OFF Ignition inhibited.
(*) SR Sensor par. 2.2
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