Immergas VICTRIX ZEUS SUPERIOR 25, Инструкции и рекомендации, Страница: 106 / 128

106
INS
TALLER
U
SER
M
AINTEN
AN
CE
TECHNI
CI
AN
TECHNI
CAL
D
AT
A
At this point, the message “Screed heater in progress” appears on the display.
In case of failure, the function is suspended and will resume when normal operating conditions are reset from the point where it was in-
terrupted.
(A)
(B)
(C)
63
Key (Fig. 63):
(A) - Top set
(B) - Lower set
(C) - Days
3.21 PUMP ANTI-BLOCK FUNCTION
The boiler has a function that starts the pump at least once every 24 hours for the duration of 30 seconds in order to reduce the risk of the
pump becoming blocked due to prolonged inactivity.
3.22 THREE-WAY ANTI-BLOCK SYSTEM
Both in “domestic hot water” and in “domestic hot water-central heating” phase the boiler is equipped with a function that starts the
three-way motorised group 24 hours after it was last in operation, running it for a full cycle so as to reduce the risk of the three-way group
becoming blocked due to prolonged inactivity.
3.23 RADIATORS ANTIFREEZE FUNCTION
If the system return water is below 4°C, the boiler starts up until reaching 42°C.
3.24 P.C.B. PERIODICAL SELF-CHECK
During functioning in central heating mode or with boiler in standby, the function activates every 18 hours after the last boiler check/
power supply. In case of functioning in domestic hot water mode the self-check starts within 10 minutes after the end of the withdrawing
in progress, for duration of approx. 10 seconds.
During the self-check the boiler remains inactive. Notifications included.