SAFETY DEVICES
n Over Heat Switch
When the heater gets too hot during operation (for example when the filters
or air outlet louvres are blocked) this device turns the gas off automatically.
Remove cause of overheat (clean filters) allow heater to cool, then re-ignite.
W Fuse
The electrical circuits are protected by a fuse. When the fuse blows, the
heater will not operate at all. The fuse must be replaced by an authorised
person.
n Flame Failure Device
This device automatically cuts off the gas supply to the heater in the event
of a gas failure. To restore the gas supply to the heater, turn it off, then
follow the ignition procedure.
n Oxygen Depletion Safety Device
If the oxygen level in the room drops below a pre-set limit, this device cuts
the gas supply to the heater. If the oxygen depletion device operates, turn
the heater off, ventilate the room, then follow the ignition procedure to
re-light. Heater will not re-light until room is fully ventilated.
n Tilt Switch
If the heater is knocked over, the tilt switch will cut the gas supply. The
fan keeps running. To restore the gas supply, stand the heater upright, turn
it off then follow the ignition procedure. The tilt switch may also operate
if the heater is jolted or picked up whilst in operation.
n Power Failure
In the event of a power failure or power cut, the gas valves will automatically
close. After the power is re-instated the appliance must be operated
manually.
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