16- Replacing The Batteries - Bpt TH 345 Mode D'emploi

TH345.01 ITF 24078822 04_06
red, together with the other set-
ting, by taking the steps explained
from chapter 3 onwards.
15 - TEMPERATURE
THRESHOLD
The temperature threshold can be
set at values between ±0.1 °C and
±0.9 °C. The THERMOPROGRAM
is despatched from the factory
with a default temperature thres-
hold of ±0,2 °C.
This threshold, which establishes
how soon the thermostat reacts to
temperature changes, is intended
R T
28 GB
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for systems with a high thermal
inertia, such as systems with cast-
iron radiators. If the features of the
plant make necessary to change
the value for the temperature
threshold, proceed as follows:
15.1 - Remove the thermostat
from its housing.
15.2 - Press button
thermostat in MANUAL mode,
figure 72.
15.3 - Press button T, figure 73.
Instead of the actual temperature
value, the display indicates the
temperature threshold setting.
15.4 - Press button
1 7 C
0 23
1 2 3 4 5 6 7
T3
T2
T1
0
Fig. 71
11-07-2007 8:21
to set the
or until
ON
4 8 12 16 20
Fig. 72
Pagina 28
the required value is displayed,
figure 74.
15.5 - Press button T again, or
wait 10 s, to end the programming
procedure.
15.6 - Replace the thermostat in
its housing.
16 - REPLACING
THE BATTERIES
The indication
play informs that the batteries
must be replaced (fig. 75).
If the message
with the time, you have about a
R T
0 23
on the dis-
alternates
1 7 C
Fig. 73