Cobra CR6 Installation And Operation Manual

20
Part 6 Gas Conversion
- All Other Markets
NOTE:
 (*) Measure burner operating pressure at manifold test point with two burners operating at 'High Flame'
setting.
 NAT, LPG & Butane Only - Operating pressure is ex-factory set and is not to be adjusted, apart from
when converting between gases, if required.
 (**) TOWN GAS Only - Adjust burner operating pressure using the adjustable gas regulator supplied.
Eurosit oven gas control valve requires non-adjustable Max Rate Screw to be fitted.
 Refer to the information in this section for further details.
Natural Gas Town Gas (**)
Open Burner
Burner Injector
Ø 2.10mm Ø 3.80mm
Low Fire Setting
¾ turn open c.c.w. 1 turn open c.c.w.
Burner Aeration Setting
16mm open. 16mm open.
Griddle
Burner Injector
Ø 2.00mm Ø 3.40mm
Low Fire Setting
5
/
8
turn open c.c.w. 1 turn open c.c.w.
Burner Aeration Setting
Fully open. Fully open.
Pilot Injector
0.35 0.60
Oven
CR6
Model
Burner Injector
Ø 2.40mm Ø 4.50mm
Low Fire Screw
Ø 1.00mm Ø 1.50mm
Burner Aeration Setting
Fully open. Fully open.
Pilot Injector
0.35 0.60
CR9
Model
Burner Injector
Ø 2.50mm Ø 5.00mm
Low Fire Screw
Ø 1.50mm Ø 2.50mm
Burner Aeration Setting
Fully open. Fully open.
Pilot Injector
0.35 0.60
Supply Pressure
1.13 - 3.40 kPa 0.75 - 1.50 kPa
Burner Operating Pressure (*)
1.0 kPa 0.63 kPa
Gas Regulator Cap Screw
Adjustable Regulator
(Adjust to 0.63 kPa
Burner Operating
Pressure).
LP Gas (Propane) LP Gas / Butane
Open Burner
Burner Injector
Ø 1.30mm Ø 1.20mm
Low Fire Setting
¼ turn open c.c.w.
Burner Aeration Setting
16mm open. Fully open.
Griddle
Burner Injector
Ø 1.25mm Ø 1.20mm
Low Fire Setting
3
/
8
turn open c.c.w.
Burner Aeration Setting
Fully open.
Pilot Injector
0.23
Oven
CR6
Model
Burner Injector
Ø 1.40mm Ø 1.30mm
Low Fire Screw
Ø 0.60mm
Burner Aeration Setting
10mm open.
Pilot Injector
0.23
CR9
Model
Burner Injector
Ø 1.50mm Ø 1.40mm
Low Fire Screw
Ø 0.95mm
Burner Aeration Setting
Fully open.
Pilot Injector
0.23
Supply Pressure
2.75 - 4.50 kPa
Burner Operating Pressure (*)
2.6 kPa
Gas Regulator Cap Screw

Cobra CR6 Specifications

General

Brand	Cobra
Model	CR6
Category	Ranges
Language	English