13
5.0
Commissioning the Fire – Page 13
5.1 Checking Gas Soundness
1. Turn on the gas supply and check for gas soundness
with leak detection fluid (to BS 6891).
5.2 Checking Operation of the Fire
1. Remove the screw from the pressure test point on the
gas inlet elbow and connect a suitable pressure gauge
(Fig. 20).
2. Check that the electrode is sparking to the burner (Fig.
21) when the control knob is pushed in and rotated
anticlockwise passed the ignition position ( ) (Fig. 23).
3. Re-set the appliance to the OFF position ( ) and turn
on the gas to the appliance.
5.3 Lighting the Fire
1. Purge the air from the appliance by depressing the
control knob and rotating slowly anticlockwise through the
ignition position ( ). When the electrode sparks the burner
will light.
2. Once the burner has lit continue to push in the control
knob for 15 seconds allowing the magnetic safety valve to
operate.
3. If the burner fails to light repeat step 1 and 2 above.
4. With the burner alight, depress the control knob slightly
and rotate anticlockwise to the maximum output position (
) (Fig. 25).
5. Release the knob and check the gas inlet pressure is
20 mbar ± 1 .0mbar.
6. Turn the control knob back to the OFF ( ) position (Fig.
22). Disconnect the pressure gauge and re-fit the screw to
the pressure test point ensuring a gas tight seal.
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