65
R1BK_50-RAD-ING-Manuale-1812.1_SK.3
3 Acc
ension
e_Mo
dali
tà di fun
zion
am
ento
_A
ntige
lo_s
olo ris
c_M
IAH
4_M
IAH
6_E
N
3 Acc
ension
e_Mo
dali
tà di fun
zion
am
ento
_A
ntige
lo_s
olo ris
c_M
IAH
4_M
IAH
6_E
N
3. USE
USER
3.1.7. INFORMATIONAL NOTE ON
ANTI-FREEZE FUNCTION
The boiler is protected against freezing thanks to
the electronic board preparation with functions
that start the burner and heat the concerned parts
when their temperature goes below the minimum
pre-set values.
WARNING
This function is available only if:
› the boiler is powered;
› the gas supply is open;
› the pressure of the system is proper;
› the boiler is not blocked.