Immergas VICTRIX TERA V2 35 PLUS EU - Automatic Vent Function (Dl); Flue Installation (FU); Maintenance Function (MA)

101
INSTALLER
USERMAINTENANCE TECHNICIAN
TECHNICAL DATA
3.14 AUTOMATIC VENT FUNCTION DL
In the case of new central heating systems and in particular mode for oor systems, it is very important that de-aeration is performed
correctly. e function consists of cyclic activation of the circulator (100 s ON, 20 s OFF) and the 3-way valve (120 s DHW, when com-
bined with a cylinder unit, 120 s heating).
e function is activated by accessing the special "dl" function as described in the Paragraph 3.12.
e function lasts for 16.5 hours and it can be stopped by simply pressing the button “
”.
Activation of the function is signalled by the countdown displayed on the indicator (Ref. 20, Fig. 52).
3.15 FLUE INSTALLATION FU
To activate the “Flue” function access the special functions as described in Paragraph 3.12 and select the “FU” function.
Before performing the test, ensure that the condensate drain trap has been lled correctly and check that there are no obstruc-
tions in the air intake circuit and ue exhaust and that the sealed chamber is perfectly closed and the ue has already been in-
stalled.
Using this function activates the fan at a xed speed (6000 rpm) for 15 minutes.
In this phase the symbols (
) and ( ) are displayed ashing, while the symbol ( ) is displayed permanently on, the function can be
stopped by simply pressing the button “ ”.
3.16 MAINTENANCE FUNCTION MA
Using this function, you can activate some operating devices of the appliance without starting it, thus verifying operation.
e function is active for 15 minutes and it can be stopped by pressing the button “ ”.
To activate the “Maintenance” function, access the special functions as described in Paragraph 3.12 and select the “MA” function.
e following loads can be activated within this function:
- Fan (Fn): the fan is brought to ignition speed. Using the buttons “
” you can increase or decrease the fan speed.
- Circulator (Pu): the circulator is brought to maximum speed, the relative speed is shown on the display, using the buttons “
” you can
increase or decrease the circulator speed.
- ree-way (3d): the symbol is shown on the display according to the position of the valve, DHW (when combined with a storage tank
unit) (
) or central heating ( ), using the buttons " " you can change the valve position, taking care to wait for the completion of
passage between statuses.
- Congurable relay (rl): the congurable relay in the boiler is energised.