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5 Commissioning
5.3.4 Set Sensitivity
FFS07 UV and IR
Use switches S1 and S2 for modification. They are accessible after opening the sensor hous-
ing.
WARNING!
Do not open under voltage!
Disconnect device from power supply before opening!
The flame scanner’s sensitivity on the burner flame can be modified with help of DIP switches
inside the flame scanner. Therefore the flame scanner housing has to be opened and the DIP
switches must be modified as described below. After modifying the DIP switches the housing
has to be closed and screwed tightly up to the stop.
Opening of sensor housing
Fig. 5-2 Open FFS07
Factory settings:
50% - for IR Sx-1 - ON, Sx-2 - OFF
100% - for UV Sx-1 - ON, Sx-2 - ON x=1, 2
The setting of the DIP switches are to be carry out according to the following illustration.
Fig. 5-3 DIP switches to modify the settings in FFS07
NOTICE
Both DIP switches (S1 and S2) must be set identically!
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