21
NOTE:
These conversions should only be carried out by qualified persons. All connections
must be checked for leaks before re-commissioning the appliance.
For all relevant gas specifications refer to the table at the rear of this section.
1.
Unscrew the injector gas supply tube fitted into the blower /
burner air manifold and air manifold connection.
2.
Remove main burner injector connector and injector and replace
with correct size injector as shown in ‘Gas Specifications Table’ at
the end of this section.
3.
Reconnect the injector gas supply tube.
4.
Remove 3 screws securing aeration plates to side of blower motors
and replace with correct plates. Refer to ‘Gas Specifications Table’
at end of this section.
1.
Connect a manometer to lower test point (Operating Pressure) on
the gas control valve. (Refer to Fig 12).
2.
Remove slotted cap to reveal Pressure Adjusting Screw.
3.
Turn On gas supply and power supply and light main burners.
4.
Adjust regulator pressure adjusting screw to obtain the correct
burner pressure for type of gas being used. Refer to ‘Gas
Specifications Table’ at rear of this section.
5.
Refit slotted cap to screw adjustment point.
NOTE: Each burner has a separate gas valve / regulator and
each must be individually adjusted and set.
Operating
Pressure
Test Point
Supply Pressure
Test Point
Pressure
Adjusting
Screw
Injector Gas
Supply Tube
Injector
Connector
Mixer
Tube
Injector
Fig 12
Fig 10
Aeration
Plate
Blower
Aeration Plate
Attachment
Screws (3)
Fig 11
