30
9.4.4 External probe alarm temperature
The menu, via
or
, lets you set the temperature limit (read by the external probe)
at which the thermostat switches off the heating system and triggers an alarm (useful to protect
underfloor systems against overheating).
To view this menu, the external temperature probe must be wired set as a "limitation".
9.4.5 Hysteresis of the device
The menu, via
and
, lets you set the temperature range of the heating/air-condition-
ing system between "ON" and "OFF".
This value can also be changed via the submenu for ON/OFF operation.
The parameter cannot be changed if the timer-thermostat is set as PID operation.
For example: Heating, with setpoint on 20.0°C,
: 0.5°C
20.5 (off), 19.9 (on)
9.4.6 Antifreeze temperature
The menu, via
and
, lets you increase/decrease the value of the antifreeze temper-
ature
and .
Antifreeze mode is used to set a minimum temperature level to avoid damage to the pipework or
keep the room temperature from falling below a safety level.
9.5 Daily program setting
This menu lets you set or modify the time and daily program for the ambient temperature.
The program lets you associate each quarter hour of the day (and in a different way, for each of the 7 days)
with one of the 3 temperatures "T comfort", "T away" and "T economy".
For example: During the night, set "T economy", for the morning and evening set "T comfort" and in the
middle of the day set "T away" (when no one is in the environment and to obtain savings due to a lower
consumption).
9.5.1 Selecting the day of the week
As soon as you enter the menu, the display shows a flashing dash for the day to which the current
programming refers (for example: 1234567 = Tuesday).
Using
and
select the day of the week to program and confirm with
.