22
INS
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2.4 USING THE BOILER.
Attention:
the Victrix Maior 35 X TT 1 ErP boiler was de-
signed to operate as an appliance for room central
heating only or, coupled to a specific optional
kit, for central heating and DHW production.
For this reason the boiler control panel has a
knob to adjust the temperature of DHW, but its
operation is only activated by the optional kits
that also enable the production of DHW. Without
coupling to these specific kits, the functioning of
this knob and all functions referring to DHW are
inhibited, apart from the calibration phase and
scrolling the P.C.B. programming menu.
Before ignition make sure the heating system
is filled with water and that the manometer (7)
indicates a pressure of 1 ÷ 1.2 bar.
- Open the gas cock upstream from the boiler.
- Press the button (6) until the display switches
on. The boiler now returns to the state prior to
switch-off.
- If the boiler is in stand-by, press the button (6)
again to activate it. If this is not the case, go to
the next point.
- Then press the button (3) in sequence and set
the boiler in the summer (
) or winter (
)
position.
•
Summer
(
)
:
in this mode the boiler only
works to produce DHW
(when the boiler is
connected to the external storage tank unit)
; the
temperature is set via the selector (1) and the
relative temperature is shown on the display
via the indicator (14).
• Winter
( )
:
in this mode, the boiler works to
produce DHW
(when the boiler is connected to
the external storage tank unit)
as well as central
heating. The temperature of the DHW is always
regulated via the selector (1), the heating tem-
perature is regulated via selector (4) and the
relative temperature is shown on the display
via the indicator (14).
From this moment the boiler functions automati-
cally. With no demand for heat (central heating
or domestic hot water production) the boiler
goes to “standby” function, equivalent to the
boiler being powered without presence of flame.
Each time the burner ignites, the relative flame
present symbol is displayed (10) with relative
output scale.
•
Operation with Comando Amico Remoto
V2
(CAR
V2
) (Optional)
. If the CAR
V2
is connected,
the (
) symbol will appear on the display.
The boiler regulation parameters can be set via
the CAR
V2
control panel and the reset button
(2) remains active on the boiler control panel,
along with the switch-off button (6) (“off ”
mode only) and the display where the function-
ing state is shown.
Caution:
if the boiler is switched “off” the
CAR
V2
will display the connection error symbol
“ERR>CM”, the CAR
V2
is however powered
constantly so as not to lose the stored programs.
•
Operation with optional external probe
(
)
.
In the case of a system with optional
external probe, the boiler flow temperature
for room central heating is managed by the
external probe depending on the external
temperature measured (Par. 1.8). The flow
temperature can be modified by selecting the
functioning curve via the selector switch (4)
(or on the CAR
V2
control panel, if connected
to the boiler) selecting a value from “0 to 9”.
With external probe present, the relative
symbol (18) will appear on the display. In the
central heating phase, if the temperature of the
water contained in the system is sufficient to
heat the radiators, the boiler can only function
with the activation of the pump.
•
“Stand-by” mode.
Press button (6) until the
(
) symbol appears. The boiler remains
active from this moment and the anti-freeze
function, pump anti-block function and 3-way
and signalling of any anomalies is guaranteed.
N.B.:
in these conditions the boiler is still
powered.
•
“Off” mode.
By holding the button (6) down
for 8 seconds, only the central point remains lit
on the display, and the boiler is off completely.
The safety functions are not guaranteed in this
mode.
IMPORTANT NOTE:
in these conditions the
boiler is considered still live even if there are
no functions active.
•
“Automatic vent” mode.
When the function
is enabled, every time the boiler is electrically
powered, the system automatic vent function
is activated (lasting 8 minutes). This function
is displayed via a countdown signalled by the
indicator (14). During this period the DHW
and CH functions are not active.
The “automatic vent” can be annulled by press-
ing the “reset” button (2).
•
Display operation.
The display lights up while
the control panel is being used; after a set in-
activity period, the brightness drops until only
the active symbols are displayed. The lighting
mode can be varied via parameter t8 in the
P.C.B. programming menu.
2.5 TROUBLESHOOTING.
The Victrix Maior 35 X TT 1 ErP boiler reports
any anomalies using a code shown on the boiler
display (14) according to the table below:
Error
Code
Anomaly signalled
Cause
Boiler status / Solution
01
No ignition block
If room central heating or domestic hot water production is
requested,
(when the boiler is connected to an external storage tank
unit)
the boiler does not switch on within the preset time. Upon
appliance commissioning or after extended downtime, it may be
necessary to eliminate the block.
Press the Reset button (1)
02
Safety thermostat
block (over-temper-
ature)
During normal operation, if a fault causes excessive overheating
internally, the boiler goes into overheating block.
Press the Reset button (1)
03
Flue safety thermostat
block
During normal operation, if a fault causes excessive flue gas overheat-
ing, the boiler blocks.
Press the Reset button (1)
04
Contacts resistance
block
The P.C.B. detects a fault on the gas valve supply. Check the connection.
(the anomaly is detected and displayed only in the event of a request). Press the Reset button (1)
05
Flow probe anomaly
The board detects an anomaly on the flow NTC probe.
The boiler does not start (1)
08
Maximum N° of reset
Number of allowed resets that have already performed.
Attention:
the anomaly can be reset 5 times
consecutively, after which the function in
inhibited for at least one hour. One attempt
is gained every hour for a maximum of 5
attempts. By switching the appliance on and
off again, the 5 attempts are re-acquired.
(1) If the shutdown or fault persists, contact an authorised company (e.g. Authorised Technical After-Sales Service).
(2) The anomaly can only be verified in the list of errors in the “Information” menu
STD.002549/004
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