2.3
GAS TIGHTNESS AND INLET PRESSURE
a)
Remove the pressure test point screw from the inlet elbow and fit a
manometer.
b)
Turn on the main gas supply and carry out a gas tightness test.
c)
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.
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.
SECTION 3
ASSEMBLING FUEL BED AND COMMISSIONING
3.1
ASSEMBLING THE CERAMICS AND FUEL BED
a)
Place the ribbed ceramic fuelbed base on top of the fuelbed support
and pull fully forwards to the burner.
Make sure that the fuelbed
base is located centrally in the fire box
.
Ensure that the fuelbed
base fit fully down onto the fuel bed support and is not
lodged on the burner. See fig. 10 below.
Fig. 10
17
NOTE : The position of the fuel-bed components are critical to the
performance of the product. Therefore please ensure that the fuel-bed
components are positioned as described in the following section prior to
requesting a service call due to soot build up, poor flame pattern etc.
