2
* Changing set point.
Push the
SET
key and the set point appears in the display. Release the at
SET
key.
Now push the
SET
key again and together with the
UP
or
DOWN
keys the set point
can be changed. A few seconds after releasing the keys the measured temperature
shows again in the display.
* Setting internal parameters.
Next to the adjustment of the set point, some internal settings are possible like
differential, sensor-offset, set point range and the function cooling or heating.
By pushing the
DOWN
key more than 10 seconds, you enter the 'internal
programming menu'. In the left display the upper and lower segment are blinking.
Over the
UP
and
DOWN
keys the required parameter can be selected (see table for
the parameters).
If the required parameter is selected, the value can be read-out by pushing the
SET
key. Pushing the
UP
or
DOWN
keys together with the
SET
key allows you to change
the value of this parameter.
If after 20 seconds no key is pushed, the
ALFA 11
changes to it's normal operation
mode.
* Adjustment sensor.
The sensor can be adjusted by using the Sensor Offset (parameter 04). Indicates
the
ALFA 11
e.g. 2
C too much, the Sensor Offset has to de decreased with 2
C.
* Error messages.
In the display of the
ALFA 11
the following error messages can appear:
Er
- Sensor broken. Solution:
- Check if the sensor is connected correctly.
- Check the sensor (1000
at 25
C).
- Replace the sensor.
EE
- Settings are lost. Solution:
- Reprogram the settings.