Unigas PBY70, Руководство по установке, использованию и обслуживанию, Страница: 33 / 44

C.I.B. UNIGAS - M039241CB
33
Fig. 28
To remove the oil gun, proceed as follows:
1 remove the combustion head as described on the prevoius paragraph;
2 after removing the oil gun, unscrew the nozzle and replace it if necessary;
3 in order to replace the electrode, unscrew the fixing screw and remove it: place the new electrode being careful to observe the
measures shown on next paragraph and reassemble following the reversed procedure.
Checking the detection current
To measure the detection signal follow the diagram in Fig. 29.
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.
Seasonal stop
To stop the burner in the seasonal stop, proceed as follows:
1 turn the burner main switch to 0 (Off position)
2 disconnect the power mains
3 close the fuel valve of the supply line
Burner disposal
In case of disposal, follow the instructions according to the laws in force in your country about the “Disposal of materials”.
A= 0 mm (factory set), to change the nozzle position, please contact the Technical Dpt.
Minimum current intensity with flame: 45µA
Max.perm.current intensity without flame: 5.5µA
Maximum possible current intensity with flame: 100µA
µA DC: DC microammeter with Ri = max. 5kohm
bl: Blue
sw: Black
br: Brown
Fig. 29
A
1
2
1
2
12
11 LMO...
bl
µA DC
+
QRB...
sw