2.3
GAS TIGHTNESS AND INLET PRESSURE
a)
Remove the pressure test point screw from the inlet elbow pressure test
point and fit a manometer.
b)
Turn on the main gas supply and carry out a gas tightness test.
c)
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 slide valve then lift to the full-on position.
d)
Check that the gas pressure is 20.0 mbar (+/- 1.0mbar) 8.0 in w.g.(+/-
0.4 in w.g.)
e)
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.
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