JGASUK-IOMM-2015-2
Fulton Ltd
Page 21
OPERATION - 3
3.3
INDICATOR LIGHTS
Indicator lights are fitted to the control panel as an additional aid to the operator.
The meaning and operating sequence of these lights is as follows:
Start/Low Water Reset.
This switch is used to start the boiler and to reset the Low Water
alarm. When the switch is pressed to initiate the start-up sequence, the Low Water alarm lamp
also illuminates and the Low Water audible alarm sounds. Keeping the switch depressed for
approximately 2 seconds cancels the Low Water alarm and initiates the burner start sequence.
Illumination of this switch and sounding of the audible alarm at any other time other than at switch
on indicates that the boiler has gone to a lock-out due to a low water condition. Once the water in
the boiler has been restored to a safe operating level, pressing the switch will reset the controls.
Power On
. Indicates that power is being supplied to the control panel box.
1st Low Water Alarm.
This light will energise, when the boiler is switched on and the water
level is between 1st Low Water and 2nd Low Water. A light will illuminate and a pulsing alarm will
sound.
2nd Low Water Reset.
The 1st Low Water light and alarm are replaced by the 2nd Low Water
light and a continuous alarm, indicated by the Low Water Reset switch. The second alarm must
be reset, the first alarm will be automatically reset by the return to normal water level.
Ignition.
Indicates that the ignition transformer has been energised. This light will only be
illuminated for approximately 5 - 10 seconds during the ignition sequence.
Gas Pressure Alarm.
This light will illuminate whenever the gas is off, or below minimum inlet
pressure required by the European Standard for gas burners EN676. This switch is factory set
and should not be adjusted after the boiler has been commissioned.
Start Gas.
(40J - 60J models)
This light indicates the gas valves in the pilot line are energised.
Main Gas.
This light illuminates when the Multi-bloc gas valve is energised.
Flame Failure / Reset.
This switch will be illuminated when the burner has gone to a lock out
condition due to flame failure. The burner controller can be reset by pressing this switch.
Combustion Air.
This light indicates that the burner motor contactor is energised.
ADDITIONAL INDICATOR LIGHTS ON MODELS 40J AND 60J NON MODULATING BURNER
Low Flame.
This light indicates that the burner is operating in the low flame mode.
High Flame.
This light indicates that the burner is operating in the full firing mode.
ADDITIONAL INDICATOR LIGHTS ON MODELS 40J to 60J FULLY MODULATING BURNER
High Pressure Reset.
This switch will be illuminated when the boiler pressure exceeds the
maximum allowable pressure. The high pressure controller can be reset by pressing this switch.
CAUTION
The control circuit live light is derived from a single phase. It is possible that with the control phase
down or a defective bulb the other phases could be live. Always isolate the supply before investigating
any fault.
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Summary of Contents for J Series
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Page 54: ...JGASUK IOMM 2015 2 Fulton Ltd Page 48 APPENDIX A ...
Page 58: ...JGASUK IOMM 2015 2 Fulton Ltd Page 52 APPENDIX A ...
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