Immergas VICTRIX EXA 28 1 ERP Instruction And Recommendation Booklet page 30

Id
Parameter
Parameter
Establishes the switch-off method in DHW mode.
1 Correlated: the boiler switches off according to the temperature set.
P0 DHW thermostat
0 and 2 Fixed: the switch-off temperature is fixed at the maximum value regard-
The boiler is set to switch-on immediately after a request. for DHW In the case
of coupling with a solar storage tank positioned upstream from the boiler, it is
Solar delay
P1 possible to compensate the distance between the storage tank and the boiler in
timing
order to allow the water to reach the boiler. Set the time necessary to verify that
the water is hot enough (see par. Solar panels coupling)
The pump can function in two ways.
0 intermittent: in winter "mode" the circulator is managed by the room thermostat
Pump function-
P2
ing
1 continuous: in "winter" mode the circulator is always powered and is therefore
The boiler is set-up for functioning with the relay P.C.B. (optional), which can
be configured
0 = Off
1 = Main zone control
Relay 1
P3
2 =General alarm
(optional)
3 = CH phase active
4 = External gas valve power supply
5 = (Do not use on this boiler model)
The boiler is set-up for functioning with the relay P.C.B. (optional), which can
be configured
0 = Off
1 = General alarm
Relay 2
P4
2 = CH phase active
(optional)
3 = External gas valve power supply
4 = Secondary zone control (from TA on relay P.C.B. contact)
5 = Heat pump
The boiler is set-up for functioning with the relay P.C.B. (optional), which can
be configured
0 = Off
1 = Chiller remote activation
Relay 3
P5 2 = General alarm
(optional)
3 = CH phase active
4 = External gas valve power supply
5 = heat pump
6 = activation of storage tank pump
Id
Parameter
Parameter
Central heating The boiler has electronic timing, which prevents the burner from igniting too
t0
ignitions timer often in central heating mode (with step of 10)
Central heating In the ignition phase, the boiler performs an ignition ramp in order to arrive at
t1
ramp timer the maximum power set (with step of 10)
CH ignition de- The boiler is set to switch-on immediately after a request. In the case of particular
t2 lay from TA and systems (e.g. area systems with motorised thermostatic valves etc.) it could be
CR request necessary to delay switch-on (with 10 step)
Establishes the display lighting mode.
0 Automatic: the display lights up during use and dims after 15 seconds of
t3 Display lighting
1 Low: the display is always lit with low intensity
2 High: the display is always lit with high intensity.
Establishes what the indicator displays 14 (Fig. 2-1).
"Summer" mode:
0:
1:
t4 Display
"Winter" mode:
0:
1:
Description
less of the value set on the control panel.
or by the remote control
always in operation
Description
inactivity. In the event of an anomaly the display flashes.
the indicator is always off
circulator active, it displays the flow temperature
pump off the indicator is off
it always displays the value set on the central heating selector
circulator active, it displays the flow temperature
pump off always displays the value set on the CH selector
30
Personali-
Range Default
zed value
0 - 2 2
0 - 30
0
seconds
0 - 1 0
0 - 5 1
0 - 5 0
0 - 6 0
Personali-
Range Default
zed value
0 - 600
18
seconds
0 - 840
18
seconds
0 - 600
0
seconds
0 - 2 0
0 - 1 1