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Technical Documentation
Pump mode selector
(S10)
D.H.W. mode selector
(S9)
C.H. temperature range
selector
(S13)
C.H. timer selector
(S7)
Pump anti-block device
3-way valve anti-block
device
Ignition block
Safety thermostat block
STVR1I ed 04/08
Adjustments.
With the SUM/WINT selector in WINTER position, it allows
pump functioning in continuous mode or only on request of the
room thermostat.
The presence or not of the small jumper does not affect boiler functioning.
According to the position, it allows the central heating potentiometer
to adjust the temperature from 25 °C to 85 °C (range 1) or from
25 °C to 50 °C (range 2).
At every switch-off due to the temperature being reached in the
central heating mode, a delay of 3 min / 30 s is inserted until the
next switch on for the same request.
Safety devices.
The pump (M1) outside of the boiler is made to function for 30 seconds after 24 hours
of inactivity.
After 24 hours from the last activation, independently from the functioning status of the
boiler (Summer or Winter), the 3-way valve (M30) outside the boiler is made to function
for10 seconds.
If within 10 seconds from the start of the ignition cycle, the detection electrode (E2) has
not detected flame presence on the burner, boiler functioning is blocked.
The intervention is signalled with the relative flashing of an error on the boiler control
panel.
To restore functioning of the appliance, turn the main switch (S2) to Reset.
If the contact of the water over-heating thermostat should open (temperature of the primary
circuit exceeding 100 °C), boiler functioning is blocked.
The intervention of the safety device is signalled on the display of the boiler control panel
with error code 02.
To restore functioning of the appliance, turn the main switch (S2) to Reset.
28
Technical Documentation
Absent =
Continuous func.
Present =
RT request func.
Inserted = Range 1
Absent = Range 2
Absent = 30 s
Present = 3 min
VICTRIX R 24 1 I
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