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2.2.20
Before making the final gas connection, thoroughly purge the gas
supply pipework to remove all foreign matter, otherwise serious
damage may be caused to the gas control valve on the fire.
2.3
GAS TIGHTNESS AND INLET PRESSURE - MANUAL CONTROL
MODELS.
2.3.1
Remove the pressure test point screw from the inlet elbow and fit a
manometer.
2.3.2
Turn on the main gas supply and carry out a gas tightness test.
2.3.3
Depress the control knob and turn anti-clockwise to the position marked
pilot. Hold in the control knob for a few seconds to purge the pipe work
then press the igniter button. The burner should light, continue to hold
the control knob for a few seconds then turn to the full-on position.
Check that the gas pressure is 20.0 mbar (+/- 1.0mbar) 8.0 in w.g.(+/-
2.3.4
0.4 in w.g.)
2.3.5
Turn off the fire, remove the manometer and refit the pressure test point
screw. Check the pressure test point screw for gas tightness with the
appliance turned on using a suitable leak detection fluid or detector.
2.4
GAS TIGHTNESS AND INLET PRESSURE - SLIDE CONTROL
MODELS.
2.4.1
Remove the pressure test point screw from the pressure test point and
fit a manometer.
2.4.2
Turn on the main gas supply and carry out a gas tightness test.
2.4.3
Depress the control lever to the position marked pilot. Hold down the
control lever for a few seconds to purge the pipe work. The burner
should light, continue to hold the control lever for a few seconds to latch
the valve then lift to the full-on position.
Check that the gas pressure is 20.0 mbar (+/- 1.0mbar) 8.0 in w.g.(+/-
2.4.3
0.4 in w.g.) for Natural Gas (G20) models or 37.0 mbar (+/- 1.0mbar)
14.8 in w.g.(+/- 0.4 in w.g.) for LPG (G31) models.
2.4.4
Turn off the fire, remove the manometer and refit the pressure test point
screw. Check the pressure test point screw for gas tightness with the
appliance turned on using a suitable leak detection fluid or detector.
18
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