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24
NOTE:
(*) - Measure burner operating pressure at the manifold test point with one burner
for CH8300 and CH8450G Models or two burners for other models, operating at the
high setting.
NAT, LPG & Butane Only - Operating pressure is ex-factory set and is not to be
adjusted, unless when converting between gases, if required.
(**) - TOWN GAS Only - Adjust burner operating pressure using adjustable gas
regulator supplied.
Refer to ‘Gas Conversion and Specifications' section in this manual for further details.
CH8300G CH8450G
CH8600G
CH8900G
CH8120G
CH8300G CH8450G
CH8600G
CH8900G
CH8120G
Main Burner Injectors
2.70mm 3.50mm 2.70mm Ø 4.50mm T.B.A. Ø 4.50mm
Pilot Burner Injectors
0.35 0.45 0.60m 0.75mm
Low Fire Adjustment
1
1
/
4
turns out
(ccw)
1
7
/
8
turns out
(ccw)
1
1
/
4
turns out
(ccw)
2 turns out (ccw)
Burner Operating Pressure (*)
1.0 kPa 0.95 kPa 0.63 kPa
Main Burner Aeration Shutter
Fully Open Fully Open
Gas Regulator Cap Screw
Adjustable Regulator (Adjust to Burner
Operating Pressure specified).
CH8300G CH8450G
CH8600G
CH8900G
CH8120G
CH8300G CH8450G
CH8600G
CH8900G
CH8120G
Main Burner Injectors
1.65mm 1.90mm 1.65mm 1.55mm 1.80mm 1.55mm
Pilot Burner Injectors
0.25 0.30 0.25 0.30
Low Fire Adjustment
½ turn out
(ccw)
1
1
/
4
turns out
(ccw)
½ turn out
(ccw)
½ turn out
(ccw)
½ turns out
(ccw)
½ turn out
(ccw)
Burner Operating Pressure (*)
2.5 kPa 2.6 kPa 2.5 kPa 2.6 kPa
Main Burner Aeration Shutter
Fully Open Fully Open
Gas Regulator Cap Screw
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