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2.7
GAS TIGHTNESS AND INLET PRESSURE
2.7.1
Remove the pressure test point screw from the inlet elbow and fit a
manometer.
2.7.2
Turn on the main gas supply and carry out a gas tightness test.
2.7.3
Depress the "ON / OFF" switch on the switch control panel,
located at the left hand side of the fire (when viewed from the front) to
the "ON" position. Press the momentary switch, the fan unit will
operate, and when the air pressure switch (located inside the fan unit)
detects sufficient air flow within the flue, an audible click will be heard
and the gas solenoid valve will open.
2.7.4
Continue to hold-in the control knob and press the igniter button. If the
burner does not light, continue to press the igniter button until ignition
occurs. Continue to hold the control knob for a minimum of 10 seconds
to allow the thermocouple to heat up, if the burner goes out when the
control knob is released, repeat the lighting sequence.
2.7.5
Check that the gas pressure is 20.0 mbar (+/- 1.0mbar) 8.0 in w.g.(+/-
0.4 in w.g.)
2.7.6
After removing the manometer, ensure that the pressure test point
screw is checked for gas tightness with suitable leak detection
spray or fluid.
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