Unigas PBY1025, Manual Of Installation - Use - Maintenance

Page: 37 / 119

C.I.B. UNIGAS - M039126CE
37
Checking the detection current
To measure the detection signal follow the diagram in Fig. 40.
If the signal is not in the advised range, check the electrical contacts, the cleaning of the combustion head, the position of the photore-
sistor and if necessary replace it.
Cleaning and replacing the detection photoresistor
When cleaning the photoresistive detector, always use a clean cloth. If necessary, remove it from its slot to replace it.
Minimum current intensity with flame: 8µA
Maximum possible current intensit with flame: 35µA
Fig. 40
2 3
L A L 2 ...
2 2
+
µ A D C
Q R B 1 ...