Stovax Studio 22 - Manual (Page 35)

35
SERVICING INSTRUCTIONS
REPLACING PARTS
11. MAGNETIC SAFETy VALVE
11.1 To 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
AR1915
Touch pad
extension
cable
Battery
extension
cable
Eight wire
cable
Ignition lead
Thermo current
cables
• 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
13.1 To 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.
14.1 Remove the burner module as described in Servicing
Section 2.
14.2 Remove the fixing screw and slide the plate off the venturi.
14.3 Replace 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.