For internal use only
Service Manual GKS 324.0 + GKS 644.0
15
6. Conversion to a Different Gas Type
The appliance has been factory-set to natural gas G20, 2H, 2E, 2E+.
All appliances marked with G20 are to be operated in the Wobbe index range (Wo) from 11.3
kWh/m3 to 15.2 kWh/m3 without changing the setting.
It the setting is changed, the new setting has to be marked.
6.1 Accessory Numbers of the Injector Conversion Kits
Appliance
Gas type
GKS 324.0
GKS 644.0
Natural gas H, E, E+
20 mbar
Pressure pair Natural gas
20/25 mbar
Natural gas LL
20 mbar
LPG Butane/Propane
50 mbar
LPG Butane/Propane
28-30 mbar
Pressure pair Butane/Propane
28-30 mbar / 37 mbar
Factory setting
Factory setting
ACC. NO. 186
ACC. NO. 186
ACC. NO. 190*
ACC. NO. 192*
ACC. NO. 189
ACC. NO. 191
*Includes burner lid for replacement.
6.2 Changing the Main Injectors
• Close the gas tap!
• Remove the burner lid.
• Disassemble the injectors by means of a 7 mm wrench.
• Install new main injectors for the respective gas type in thh corresponding burner housings.
• Reassemble the burner lid; if required, use the newly supplied burner lids for this purpose (see
table above).
