flame appears at the pilot. There may be a delay before the pilot lights due to air
being purged from the system. When a flame appears at the pilot keep the control
knob depressed and hold the pilot ignition position for five seconds. When the control
knob is released the pilot flame should remain lit.
12.1.2 Operating the burner.
1. When the pilot burner is operating properly, gradually turn the control knob anti-
clockwise to 'HIGH' (Depress the knob slightly to get past the ‘PILOT / IGN’ position).
The main burner should now light. Depress the control knob slightly to release from
the 'HIGH' position and turn back (clockwise) to 'LOW'. While turning, the burner
flames should gradually become lower but remain alight. Depress the control knob
slightly to release from the 'LOW' position and turn back (clockwise) to the ‘PILOT /
IGN’ position.
The main burner should extinguish but the pilot should remain alight. Depress the
control knob slightly and turn back (clockwise) to turn off. This will extinguish the pilot.
If the above checks are satisfactory, continue with the installation. If not, check the
control and ignition circuitry and components as described in the servicing section of
this guide.
While cooling the ceramic fuel effect may make some crackling noises. This is quite
normal.
Page 29
© GDC Group Ltd 2014
INSTALLER GUIDE
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