20
12.
FULL OPERATING CHECKS
12.1
CHECK THE CONTROL SETTINGS
The control position markings on the front surround are shown in figure 34.
Please note
1.
When first turned on from cold, the flames will appear predominantly blue.
2.
When operating the fire for the first time, some vapours may be given off which
could set off smoke alarms in the vicinity. These vapours are quite normal with new
appliances. They are totally harmless and will disappear after a few hours use.
12.1.1
Make sure the slider button is at the off position (at topmost position marked
“
O
” on the front surround).
12.1.2
Open the isolating valve on the inlet elbow.
12.1.3
Slide the button to the bottom (ignition) position marked
. Retain in this
position to ignite the pilot. The burner should ignite at its lowest setting within 4 seconds
of the pilot igniting. Keep at this position for a further 10 seconds to allow the pilot
flame to stabilise.
12.1.4
Release the button. The button should automatically spring up to the low
heat position. If the flames go out at this stage or when checking the rest of the setting
positions, try the full lighting sequence again. If the flames fail after two attempts,
investigate the pilot unit.
12.1.5
Gradually slide the button up to increase the burner setting. The burner
should be at its maximum setting at the high heat position shown in figure 34. You
should feel a check to the button movement at this position.
12.1.6
Slide the control button up past the high heat position to the off (“
O
”)
position at the top of the slide slot. Both pilot and main burner should go out.
While cooling the coals may make some crackling noises. This is quite normal.
12.2
CHECK REFERENCE PRESSURE
The appliance is pre-set to give the correct heat input at the inlet pressure shown in
section 1 of this manual. No adjustment is necessary. Check the burner pressure by fitting
a pressure gauge at the test point. The test point is on the pipe situated below the bottom
right corner of the burner unit (See figure 35). Check the pressure with the appliance
alight and set at maximum output.
After checking, turn off the appliance. Remove the pressure gauge and replace the test
point sealing screw. Relight the appliance. Turn to the maximum output position and test
around the sealing screw for gas soundness with a suitable leak detection fluid.
Fig. 35 Pressure test point
Fig. 34 Control
Содержание Marseille BR622
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