Immergas VICTRIX TERA V2 35 PLUS EU - Chimney Sweep; Pump Anti-Block; Three-Way Anti-Block; Radiator Antifreeze

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INSTALLER
USERMAINTENANCE TECHNICIAN
TECHNICAL DATA
3.17 CHIMNEY SWEEP
When activated, this function forces the boiler to variable output for 15 minutes.
In this state all adjustments are excluded and only the safety thermostat and the limit thermostat remain active.
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To activate the chimney sweep function, press the “
” button until acti-
vation of the function in the absence of DHW requests.
Its activation on the boiler display is conrmed by the indicators ashing at
the same time (Ref. 17 and 18, Fig.52);
is function allows the technician to check the combustion parameters.
Once the function is activated, it is possible to select whether to make the check in CH status or DHW status (when paired with a storage
tank unit) by opening any hot water valve.
Using the buttons “
” you can select between three predened power levels:
- “0%”;
- Max CH output (P2);
- Max DHW output (P0).
While by using the buttons “
” you can select the power from 0% to max DHW output (P0), with intervals of 1%.
Heating or DHW operation (when combined with a storage tank unit) is displayed by the corresponding symbols "
" or " ".
Aer the checks, deactivate the function by switching the boiler o and then back on again.
3.18 PUMP ANTIBLOCK
e appliance has a function that starts up the pump at least once every 24 hours for 30 seconds in order to reduce the risk of the pump
locking up due to prolonged inactivity.
3.19 THREEWAY ANTIBLOCK
In both phase "Domestic Hot Water" and "Domestic Hot Water-Central Heating" (when combined with a storage tank unit), the appli-
ance has a function that activates the motorised three-way unit 24 hours aer the last time it operated by running a complete cycle in or-
der to reduce the risk of the three-way blocking due to prolonged inactivity.
3.20 RADIATOR ANTIFREEZE
If the system return water is below 4°C, the appliance starts up until reaching 42°C.