Unigas P60 VS, Manual Of Installation - Use - Maintenance

Page: 38 / 132

PART III: MAINTENANCE
38
Flame detection probe
To clean/replace the detection photocell, proceed as follows:
1
Disconnect the system from the electrical power supply.
2 Shut off the fuel supply;
3 remove the photocell from its slot (see next figure);
4 clean the bulbe if dirty, taking care not to touch it with bare hands;
5 if necessary, replace the bulb;
replace the photocell into its slot.Minimum detection signal: 3.5Vdc
Fig. 8 - Detection with detector QRI...
Seasonal stop
To stop the burner in the seasonal stop, proceed as follows:
1
turn the burner’s main switch to 0 (Off position)
2 disconnect the power mains
3 close the fuel valve in 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”.
WIRING DIAGRAMS
Refer to the attached wiring diagrams.
WARNING
1 - Electrical supply 230V 50Hz 1 a.c./400V 50Hz 3N a.c.
2 - Do not reverse phase with neutral
3 - Ensure burner is properly earthed
To check the detection current follow the diagram on the following
pictures. If the signal is less than the quoted value, check the posi-
tion of the detector, the electrical contacts and, if necessary,
replace the detector.
Fig. 7
Control box Minimum detection signal
Krom Schroeder IFW15 1 µA
27 (B/C/D)
µA DC