4

Legend

7.burner pressure regulator

8.blank plate

9.gas control connector

Conversion to a different gas category

is

 

1.Isolate the water heater from the power supply (10.3 "Electrically isolating the appliance").

2.Shut off the gas supply.

3.Undo the screws of the plastic covers.

4.Carefully remove the covers from the top of the appliance.

5.Detach the connector (1) that connects the leads of the hot surface igniter and the flame probe to the controller.

6.Detach the three-part gas coupling (2) adjacent to the burner.

-Detach the air supply hose (3).

-Detach the pressure switch hose (4).

7.Remove the burner as complete assembly.

8.Place and fit the burner with parts from the conversion kit.

Note

The burner for LP gases can be recognised by the letter 'P' which is stamped into the metal of the gas/air distribution plate (5).

9.Select and fit the correct orifice from the conversion kit, based on the gas table (3.4.3 "Gas data"). The injector diameter is stamped into each injector

(6).

Conversion of gas control

8

9

7

IMD-0079b R2

46

Instruction manual SGE

Page 46
Image 46
A.O. Smith SGE Burner pressure regulator Blank plate Gas control connector, Conversion to a different gas category