TESTING AND COMMISSIONING
Turn on and test the gas supply up to the fire for any leaks, in accordance with the current edition of BS6891.
OPERATING THE APPLIANCE
The pilot is visible behind the left hand side of the burner.
The control knob is located on the lower right hand side of the outer
case. It is of a spherical design and is marked as shown in the diagram
to the right;
Push in and turn the control knob to the SPARK position, and hold
there for a few seconds. Continue turning anti-clockwise through the
spark click to the PILOT light position, ensuring the pilot has lit. If not,
return the knob clockwise, and repeat.
When the pilot lights after the spark, keep the knob depressed for
approximately ten seconds. Now release the knob and the pilot
should stay alight. If the pilot is extinguished during use, wait three
minutes before repeating the ignition procedure.
To achieve the HIGH setting, push the control knob in slightly and
continue turning anti-clockwise to the high position. The main burner should light after a few seconds. To
decrease the setting to LOW, turn the control knob clockwise to the low setting.
To turn to the PILOT position from the HIGH or LOW positions, press the control knob in, and return to the pilot
position and release. To turn the fire OFF, keep the knob pressed in, return to the off position and release.
SPARK FAILURE
The gap between the spark electrode and the pilot should be 3 - 5mm to produce a good spark. There should
be no need to adjust this. If under any circumstances the piezo electric spark fails, the pilot cannot be lit man-
ually.
SETTING PRESSURE
The pressure test point is located on the left hand side of the appliance, on the main burner pipe, next to the
brass restrictor/connector. Release the setting pressure test point screw, and attach a U gauge. Light the fire on
the HIGH setting.
To commission the appliance, the burner pressure must be in accordance with the figures stated in the data sec-
tion of these instructions.
The fire is factory set to achieve these pressures and any
significant variation could indicate a supply problem. If
the pressure is too high, the gas supply meter may be set
incorrectly. This should be checked with the fire running
and if necessary reset by the gas supplier.
If the burner pressure is too low, then check the inlet
pressure with the appliance running. If this is less than
approximately 20mbar it will need to be reset by the gas
supplier. If the setting pressure is too low, but the meter
pressure is acceptable, then a problem in the supply
pipework is to be suspected.
This will be dirt and debris, kinked or inadequate size
pipes, restriction in a fitting, shut off elbow not fully open or solder flashing across a joint. Identify the cause of
the restriction and rectify. Switch the fire off, disconnect the U gauge and refit the test nipple screw. Light the
fire and check for gas soundness.
In the event that the burner pressure is not in accordance with the figures stated in the data section of these
instructions, the appliance must not be commissioned, and the manufacturer should be contacted for guidance.
6
8.3
8.0
8.1
8.2
‘OFF’ position
‘SPARK’ position
‘LOW’ position
‘HIGH’ position
