29
INS
T
ALLER
US
ER
MAINTEN
AN
CE TECHNI
CI
AN
Parameter
ID
Parameter
Description
Range
Default
P0
DHW thermostat
Establishes the boiler ignition and switch-off mode in DHW mode.
0 - Ignition occurs when the water contained in the storage tank drops by 7
°
C with respect
to the temperature set and switches off when the temperature is at -4
°
C with respect to
the value set (solar deactivated)
1 - Ignition occurs when the water contained in the storage tank drops by 2 with respect
to the temperature set and switches off when the temperature is at
+
1 with respect to
the value set (solar deactivated)
2 - Ignition occurs when the water contained in the storage tank drops by 10
°
C with respect
to the temperature set and switches off when the temperature is at the value set (Solar
activated)
0
On
=
-7
°
C
Off
=
-4
°
C
1
On
=
-2
Off
=
+
1
2
On
=
-10
Off
=
+
0
2
P1
Solar delay
timing
This function does not affect the correct functioning of this boiler model.
0 - 30
seconds
0
P2
Pump function-
ing
The pump can function in two ways.
0 intermittent: in winter "mode" the circulator is managed by the room thermostat or by
the remote control
1 continuous: in "winter" mode the circulator is always powered and is therefore always in
operation
0 - 1
0
P3
Relay 1
(optional)
The boiler is set-up for functioning with the relay P.C.B. (optional), which can be configured
0
=
Off
1
=
Main zone control
2
=
General alarm
3
=
CH phase active
4
=
External gas valve power supply
5
=
(Do not use on this boiler model)
0 - 5
1
P4
Relay 2
(optional)
The boiler is set-up for functioning with the relay P.C.B. (optional), which can be configured
0
=
Off
1
=
General alarm
2
=
CH phase active
3
=
External gas valve power supply
4
=
Secondary zone control (from TA on relay P.C.B. contact)
5
=
Heat pump
0 - 5
0
P5
Relay 3
(optional)
The boiler is set-up for functioning with the relay P.C.B. (optional), which can be configured
0
=
Off
1
=
Chiller remote activation
2
=
General alarm
3
=
CH phase active
4
=
External gas valve power supply
5
=
heat pump
6
=
activation of storage tank pump
0 - 6
0
Parameter
ID
Parameter
Description
Range
Default
t0
Central heating
ignitions timer
The boiler has electronic timing, which prevents the burner from igniting too often in
central heating mode (with step of 10)
0 - 600
seconds
18
t1
Central heating
ramp timer
In the ignition phase, the boiler performs an ignition ramp in order to arrive at the maxi-
mum power set (with step of 10)
0 - 840
seconds
18
t2
CH ignition de-
lay from TA and
CR request
The boiler is set to switch-on immediately after a request. In the case of particular systems
(e.g. area systems with motorised thermostatic valves etc.) it could be necessary to delay
switch-on (with 10 step)
0 - 600
seconds
0
t3
Display lighting
Establishes the display lighting mode.
0 Automatic:
the display lights up during use and dims after 15 seconds of inactivity. In
the event of an anomaly the display flashes.
1 Low:
the display is always lit with low intensity
2 High:
the display is always lit with high intensity.
0 - 2
0
t4
Display
Establishes what the indicator displays 14 (Fig. 2-1).
"Summer" mode:
0: the indicator is always off
1: circulator active, it displays the flow temperature
pump off the indicator is off
"Winter" mode:
0: it always displays the value set on the central heating selector
1: circulator active, it displays the flow temperature
pump off always displays the value set on the CH selector
0 - 1
1
Содержание VICTRIX EXA 24 X 1 ErP
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