Clarke Devil 6002, Operating And Maintenance Instructions Manual, Page: 9 / 20

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The thermostat will then switch the heater on and off automatically to control
the room temperature according to the pre-set value, maintaining a
constant room temperature.
When using the heater to warm a cold room, first turn the thermostat to MAX
and run the heater on full power until the room temperature reaches the
required value, then turn the thermostat anti-clockwise until it switches off.
When using the heater for the first time a slight emission of smoke may be
noticed. This is quite normal and soon stops. It is caused by residual traces of
oil remaining on the element from production.
After use, turn the thermostat to the OFF position and turn the selector switch
to the Fan Only position, and leave the unit to cool down for a couple of
minutes.
5KW, 9KW &15KW HEATERS
The 5 & 9kw units have a three-position twist control for FAN only, and FAN
plus either half or full heat output. The 15kw unit has a four position control;-
FAN only, FAN + 1/3, FAN + 2/3 & FAN + full heat output. A thermostatic
temperature control is also provided for fine control of heat output at a
constant pre-set temperature.
Should the heater overheat, a thermal cutout will operate, shutting down the
unit. If this happens, allow time for the unit to cool (approx. 10 minutes) before
pressing the RESET using a suitable tool, and restarting the heater.
When switching the unit OFF, it is strongly recommended that the unit is run in
the FAN ONLY mode for approx. 10 minutes, in order to cool the heating
elements, before switching OFF completely and finally disconnecting from
the mains supply.
3-position fan speed control thermostatic
temperature control