14
Establishing Functions
Adjusting sensitivity range
The default factory setting for the response sensitivity is ≥ 10 μS/cm.
If the electrical conductivity of the boiler water is below 10 μS/cm at 25°C use the code switch
&
to
change the response sensitivity. To change the setting of the code switch
&
located on the electronic
module (see
Fig. 4
) use a screwdriver with a thin blade.
The following sensitivity ranges are possible:
Code switch
Toggle switch white
Sensitivity of response
Response sensitivity ≥ 0.5 μS/cm at 25°C
Response sensitivity ≥ 10 μS/cm at 25°C
(Factory setting)
ON
1 2 3
5
4
6 7 8 910
ON
1 2 3
5
4
6 7 8 910
- continued -