SERVICING INSTRUCTIONS

REPLACING PARTS

11.magnetic safety valve

11.1To replace the magnetic safety valve:

Undo the thermocouple from the interrupter block and remove the two thermo current cables

Unscrew the interrupter block from the back of the valve

Undo the silver magnetic valve retaining but on the back of the valve.

Gently tap out the mag valve

Replace with a new unit

Reassemble in reverse order

12.CONTROL BOX

Remove the two thermo current cables by removing the two screws, Diagram 17

Remove the ignition lead, Diagram 17

Remove the eight loom wire from the control box,

Diagram 17

17

Eight wire

 

 

cable

 

Thermo current

cables

Ignition lead

Touch pad extension cable

Battery extension cable

AR1915

Remove the battery extension cable, Diagram 17

Remove the touch pad extension cable

The control box can now be replaced.

After replacing the control box you may need to reprogram the handset:

Press and hold the reset button on the control box until you hear two signals. After the second longer signal:

Release the reset button and within 20 seconds

Press the DOWN button on the handset until you hear an additional long signal confirming the new code

13.main injector

13.1To change the main injector:

Undo the injector feed pipe

Undo the lock nut from the injector

Replace with the correct size injector

14. Primary Aeration Plate

NOT ALL MODELS HAVE AERATION PLATES. REFER TO NOTE AT BEGINNING OF INSTALLATION INSTRUCTIONS.

14.1Remove the burner module as described in Servicing

Section 2.

14.2Remove the fixing screw and slide the plate off the venturi.

14.3Replace with the correct size plate and secure with the screw. Ensure the lower edge of the plate is located over the venturi flange. See Diagram 18.

18

AR0766

15. Changing between Gas Types

In order to change between gas types, it will be necessary to change the following items:

Burner Unit

Pilot Injector

Control Valve

Injector

Aeration Plate (if required)

Data badge

A kit of parts is available for this, always quote the Model number and Serial number when ordering any spare parts.

NOTE: THE CONTROL VALVE IS FACTORY PRESET FOR THE CORRECT GAS TYPE AND MODEL, A NEW UNIT WILL NEED TO BE ORDERED WHEN CHANGING BETWEEN GAS TYPES.

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Stovax Studio 22 Magnetic safety valve, Control BOX, Main injector, Primary Aeration Plate, Changing between Gas Types