Troubleshooting; Wiring Diagrams - Unigas RG91 Manual Of Installation - Use - Maintenance

TROUBLESHOOTING

MAIN SWITCH OPEN
LINE FUSE INTERVENTION
MAX. PRESSURE SWITCH FAULT
FAN THERMAL CUTOUT INTERVENTION
AUXILIARY RELAIS FUSES INTERVENTION
CONTROL BOX FAULT
SERVOCONTROL FAULT
SMOKEY FLAME
IGNITION TRANSFORMER FAULT
IGNITION ELECTRODE DIRTY OR WRONG
POSITIONED
DIRTY NOZZLE
FUEL SOLENOID VALVE DEFECTIVE
PHOTORESISTOR DIRTY OR DEFECTIVE
HI-LO FLAME THERMOSTAT DEFECTIVE
WRONG POSITION OF SERVOCONTROL
CAMS
FUEL PRESSURE TOO LOW
DIRTY FUEL FILTERS

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
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PART III: MAINTENANCE
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