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6 - SPECIAL FUNCTIONS SETTINGS
6.3) TEMPERATURE DIFFERENTIAL (ON/OFF)
The chronothermostat is set (in factory) to work
preset differential value of
0.3°C
The differential value must be set according to the system's thermal inertia.
A low value is recommended for systems with radiators (e.g. cast iron) and a
high value for systems with fan coils.
This function can be protected by a password (see chapter ).
The differential value may be displayed and changed as follows:
•
Keep
t1
pressed until the existing differential value blinks on the display
(example in fig. 36 - factory setting
•
Modify the value (from 0.2 to 0.7) using the keys
•
Press
OK twice
the desired value is obtained to return to program operation
(example in fig. 37).
Very low differential on/off values (for example 0.2°C) may
result in increased frequency of control transmission to the
receiver, resulting in more rapid battery depletion with
respect to data stated.
78
Differential mode ON/OFF
.
0.3C
).
(example in fig. 36).
Example:
°C
with a
20°
19,7°
Device in operation
8
- set "SET": 20°C in WINTER mode
- Set differential 0.3
ex. h
On
Off
On
Device in operation
press for 4 seconds
.
t1
t2
t3
0
2
4
6
8
10 12 14 16 18
20 22
.
t1
t2
t3
0
2
4
6
8
10 12 14 16 18
20 22
press 2 times
ysteresis
: 0,3
Time
fig. 36
fig. 37
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