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INSTALLER GUIDE
10. BURNER INSTALLATION
10.1 Burner & Supply Pipe Installation
1. Refit the burner unit to the hotbox using the two screws removed previously
2. Connect the supply line to the appliance.
3. If closed
open the isolating valve at the inlet 'T' connector.
,
4. Turn on the gas supply and pressure check the installation pipework for gas
soundness. In the United Kingdom check in accordance with the current edition of BS
6891. In the Republic of Ireland refer to the current edition of I.S. 813 "Domestic gas
installations".
10.2.1 Lighting the burner
1. Depress the control knob and rotate it anticlockwise to the pilot ignition position. A
'click' will be heard as the integral piezo operates. A spark should be seen between the
electrode and pilot tip.
2. Turn the control knob clockwise to the 'Off' position. Repeat this operation until a
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.
10.2.2 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 ignition 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 ignition 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.
10.3 Reference Pressure Check
The appliance is pre-set to give the correct heat input at the inlet pressure shown in
section 2 of this manual. No adjustment is necessary.
1. Check the inlet pressure by fitting a pressure gauge at the test point. The test point is
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