3-9
3.6 Gas Inputs (cont.)
C.
Adjustments for different gases are as follows:
Gases and Gas Supply
Pressure*
G20
20 mbar
G25
25 mbar
G31
37 mbar
Injector Diameter
2.71 mm
2.71 mm
1.70 mm
Burner Marking
"blue" marking
"blue" marking
"red" marking
Pilot Marking
TJ024 TJ024
TJ013
"red"
Gas pressure at the regulator
(mbar)*
8.75 mbar/3.5" WC
8.75 mbar/3.5" WC
25 mbar/10" WC
NOTE: Outlet gas pressure must be adjusted strictly within the above requirements 5 to 10 minutes
after the appliance is operating.
* For controls and adjustments, please refer to "gas valve" illustrations on page 3-10. (Pilot Flame
Adjustment: Turn the pilot adjustment screw clockwise/counter-clockwise until the desired flame-
volume is achieved).
WARNING
If gas odors are detected, the gas supply
MUST
be shut off at the main shut-off
valve, and the local gas company or authorized service agency contacted for
immediate service.
3.7 Gas Conversion: Procedures
See page 3-10 for gas valve illustrations and page 3-11 for gas valve, burner and orifice location
when performing the following conversions.
When converting from G20 to G25 gas, the following procedures apply:
♦
Equipment replacement is not required.
♦
Adjust orifice gas pressure by turning the gas valve "adjustment screw".
♦
After adjustment, seal the screw.
When converting from G20 (or G25) gas to G31 propane (or vice-versa), the following procedures
apply:
♦
Burner orifices and pilot
MUST
be replaced.
♦
Adjust orifice gas pressure by turning the gas-valve adjustment screw.
♦
After adjustment, seal the screw.
♦
Affix the new label included with the conversion kit next to the existing rating plate stating
that the gas type has been converted. Remove any reference to the previously used gas from
the rating plate.
