35
INS
TALLER
US
ER
MAINTEN
AN
CE TECHNI
CI
AN
Id
Parameter
Parameter
Description
Range
Default
t0
Central heating
ignitions timer
The boiler has an electronic timer, which prevents the burner from igniting too
often in central heating mode
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
maximum power set
0 - 840
seconds
65
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 may be nec-
essary to delay ignition.
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 Off:
the display is always lit with low intensity
2 On:
the display is always lit with high intensity.
0 - 2
0
t4
Display
Establishes what indicators 17 and 21 display (Fig. 16).
0
Indicator 17: displays the DHW setting;
Indicator 21: in winter mode it displays the set CH setting, while the indicator is
switched off in summer mode
1
Indicator 17: it is switched off in the presence of a request. Without any request
the indicator shows the DHW setting.
Indicator 21: in the presence of a request, it shows the instant flow temperature
of the boiler. Without any request in summer mode, the indicator is off. In winter
mode it shows the set CH setting.
0 - 1
1
Summary of Contents for NIKE ECO 24
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