13
TRZ 12-2
6 720 610 625 (01.11)
B Press the Set button (17) to store
the settings.
The display shows .
To cancel the holiday programme:
B Press and hold the Holiday button,
, (18) for more than 2 seconds.
3.3.4 Resetting to default
settings (19)
B Press Reset button (19).
The clock will start flashing and stop.
Until the time is set, the TRZ 12-2
will keep the heating at a constant
21°C.
3.3.5 Technician’s functions
Calibrating the room temperature
sensor
Calibrating the room temperature sen-
sor changes the temperature display.
The temperature can be adjusted by
± 3 K (°C) in 1-K increments:
B While Automatic mode is active,
press the Set button (17) and at the
same time press and hold the
button for more than 2 seconds.
Temperature display shows 0.0°C
(default setting).
B Hold Set button (17) and release
button.
B Set room temperature sensor cali-
bration using / buttons.
B Press the Set button (17) to store
the setting.
Setting the switching differential
The switching differential can be set to
± 1 K (°C) or ± 0.5 K (°C):
B While Automatic mode is active,
press and hold the Set button (17)
and the Hour button (3) simultane-
ously for more than 2 seconds.
Temperature display shows
H 1.0°C (default setting).
B Set switching differential using
/ buttons.
B Press the Set button (17) to store
the setting.
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