Cobra cf4 - Gas Specifications

16
Part 7 Gas Conversion
Gas Specifications
- Non - UK Only:
- UK Only
:
NOTE: (*)
The burner operating pressure is to be measured at the Outlet Pressure test point on the gas control valve with
both burners operating. The operating pressure is ex-factory set, through the appliance regulator and not to
be adjusted, apart from when carrying out gas conversion, if required.
Natural Gas LP Gas (Propane)
Main Burner Injectors
Ø 3.00 mm Ø 1.80 mm
Pilot Burner Injectors
0.62 0.35
Pilot Screw Adjustment
Fully Out (c.c.w) Fully Out (c.c.w)
Low Fire Screw Adjustment
Fully Out (c.c.w)
(Flush with casing)
Fully Out (c.c.w)
(Flush with casing)
Burner Operating Pressure
0.8 kPa (*) 2.5 kPa (*)
Supply Pressure
1.13 - 3.40 kPa 2.75 - 4.50 kPa
Natural Gas
(G20)
Propane
(G31)
Main Burner Injectors
Ø 3.00 mm Ø 1.80 mm
Pilot Burner Injectors
0.62 0.35
Pilot Screw Adjustment
Fully Out (c.c.w) Fully Out (c.c.w)
Low Fire Screw Adjustment
Fully Out (c.c.w)
(Flush with casing)
Fully Out (c.c.w)
(Flush with casing)
Burner Operating Pressure
8.6 mbar (*) 26.4 mbar (*)
Supply Pressure
20 mbar 37 mbar