18
Gas Conversion and Specifications
Conversion Procedure
NOTE:
•
These conversions should only be carried out by qualified service persons. All
connections must be checked for leaks before re-commissioning the appliance.
•
Adjustment of components that have adjustments / settings sealed (e.g. paint sealed)
can only be adjusted in accordance with the following instructions and shell be re-
sealed before re-commissioning this appliance.
•
For all relevant information and specifications refer to the table at the end of this
section.
1.
Ensure that the gas supply has been turned off.
2.
Remove the gas control knob from the gas tap spindle by
pulling the knobs away from the control panel.
3.
Remove the water control knob by popping out the
centre of the knob and using a suitable screwdriver,
unscrew the centre screw and remove the knob.
4.
Open the front door, unscrew and remove the two
screws on the underside of the control panel, securing
the control panel to the appliance.
5.
Remove control panel from the front of the appliance.
6.
Connect a manometer to the upper test point (Line
Pressure) on the gas control valve. Turn on the gas and
ensure that the supply pressure is within the specification
shown in the ‘Gas Specifications Table’ at the end of this
section.
Main Burner Injectors
1.
Unscrew and remove the main burner injectors (12.7mm
A/F) located in front of main burner venturi openings.
2.
Determine the correct injectors for the corresponding gas
from the ‘Gas Specifications Table’ at the end of this
section.
3.
Screw in the correct sized injectors. Refer to the ‘Gas
Specifications Table’ at the end of this section.
Pilot Burner Injectors
1.
Unscrew the pilot supply tube from the pilot burner fitted
to the mounting bracket and remove the pilot injector.
NOTE: On appliances fitted with piezo igniter electrodes, to
prevent damage to the electrode, unscrew and
remove the electrode from the mounting bracket
before unscrewing the pilot supply tube.
2.
Determine the correct sized pilot injectors for the
corresponding gas from the table overleaf.
3.
Fit the correct sized injector into the pilot burner and re-
connect the gas supply tube to the pilot burner.
4.
Refit the piezo igniter electrode to the mounting bracket
and tighten hand tight.
C
AUTION
:
Ensure the unit is isolated from the gas supply before commencing servicing.
Gas Control
Valve
Burner
Operating
Pressure Test
Point
Fig 7
Thermocouple
Piezo
Igniter
Pilot Burner
Fig 9
Fig 8
Main Burner
Injector