54
INS
TALLER
US
ER
MAINTEN
AN
CE TECHNI
CI
AN
Id
Parameter
Parameter
Description
Range
Default
Personalized
value
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 sec-
onds
18
t1
Central heating
ramp timer
In the ignition phase, the boiler performs an ignition ramp in order to
arrive at the maximum power set (with step of 10)
0 - 840
seconds
18
t2
CH ignition delay
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 sec-
onds
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. 36).
"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
