24
STV2I ed 11/09
VICTRIX 2 I Export
Technical Documentation
Technical Documentation
N° 0 corresponds to the minimum speed = 960 revs
). During
adjustment, the display shows the fan speed in hundreds of
revs. per minute.
- to confirm the parameter set, position the main switch on
Reset for 2 seconds.
N.B.:
During the adjustment of the minimum, the CH selector
switch must be positioned on notch N° 5.
- after having set the minimum output,
the maximum output
in CH mode must be adjusted
by operating on the DHW
adjustment selector, the power adjustment range in CH va-
ries from maximum to minimum. In this way it is possible
to adjust the fan speed until the pressure value (P1-P2) is
obtained corresponding to the nominal heat output in CH
mode (
see heat output data
). During adjustment, the display
shows the fan speed in hundreds of revs. per minute.
- to confirm the parameter set, position the general selector
switch on Reset for 2 seconds.
N.B.:
During the adjustment of the maximum output in CH
mode, the CH selector switch must be positioned on notch
N° 0.
Important:
the output relative to functioning in DHW mode
can be adjusted up to a value equal to 26 kW, while the fun-
ctioning output in the CH phase must never exceed 24 kW
(
see technical data referring to the heat output
).
-
to confirm and memorise the settings made for each in-
dividual adjustment (max. DHW, min. DHW/CH and
max. CH) the main switch must always be turned to the
Reset position for at least 2 seconds.
The boiler will go into
chimneysweep mode. At this point it is possible to check
the calibration values with burner on or exit the chimney
sweep mode taking the main switch to the (Stand-by)
position.
Domestic hot water
central heating and domestic
hot water minimum speed
adjustment
Central heating
position on
notch 5
Domestic hot water
maximum central heating
speed adjustment
Central heating
position on
notch 0
N.B.:
If the values set are not confirmed, the calibration va-
lues are not modified (
previous ones remain active
). Repeat the
operation from the start to modify the values.
Regulation of the air-gas ratio (off-set).
The correct regulation of the air-gas ratio (1:1) takes place
in the factory and must be retouched
only when carbon
dioxide (CO
2
) values are detected in the fumes that are
not optimal
.
With this scope, during the
initial check or following extra-
ordinary maintenance interventions, flue analysis must be
performed at maximum heat output and minimum heat
output
, which attests the goodness of the combustion in
reference to the values indicated in the table below:
VICTRIX 26 2 I - X 24 2 I
CO
2
at nominal output
(central heating)
CO
2
at minimum output
(
central heating)
G 20
9,50% ± 0,2
8,90% ± 0,2
G 30
12,30% ± 0,2
11,60% ± 0,2
G 31
10,60% ± 0,2
10,20% ± 0,2
VICTRIX X 12 2 I
CO
2
at nominal output
(central heating)
CO
2
at minimum output
(
central heating)
G 20
9,50% ± 0,2
8,85% ± 0,2
G 30
12,50% ± 0,2
11,60% ± 0,2
G 31
10,60% ± 0,2
10,20% ± 0,2
Important:
the verification operations of the CO
2
must be
carried out with the casing mounted, while the gas valve cali-
bration operations must be carried out with the casing open.
Summary of Contents for VICTRIX 26 2 I
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