CDA HCG501 - Manual (Page 8)

Natural Gas to LPG Conversion
This hob can be converted from natural gas to propane operation at a nominal inlet pressure of 37mbar, or butane
operation at a nominal inlet pressure of 28/30mbar. This conversion must only be carried out by a competent person
(i.e. a Gas Safe registered fitter).
Instructions to fit replacement injectors:
1. Disconnect the appliance from the gas and electrical supplies.
2. Remove burner components and pan supports.
3. Remove the injectors and replace with the corresponding
injector as shown in the table below.
Setting up minimum flow rates:
1. Remove the control knobs.
2. Turn on the LP gas supply, light the burners and turn the controls
to the minimum position, as indicated by the small flame.
3. Insert a 2.5mm screwdriver into the hole at the top of
the tap and turn the adjustment screw fully clockwise
as shown in figure 6.
4. Turn the controls to maximum position then quickly to the
minimum position - make sure the flame does not extinguish.
5. Replace the knobs.
LPG to Natural Gas Conversion
This hob can be converted from propane operation at a nominal inlet pressure of 37mbar or butane operation at a
nominal inlet pressure of 28/30mbar to natural gas at 20mbar. This conversion must only be carried out by a competent
person (i.e. a Gas Safe registered fitter).
Required:
• 7mm AF nut spinner
• Replacement injectors
• LPG identity plate
Required:
• 7mm AF nut spinner
• Replacement injectors
• NG identity plate
Fig.6
Burner
Rapid
Semi-Rapid
Auxiliary
Natural Gas Injector
115
95
69
LPG Injector
85
65
50
0220 HCG500 HCG520 Manual.indd 8 26/6/09 09:35:50