Stovax PR0731 Electric Heater User Manual


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22
SERVICING INSTRUCTIONS
REPLACING PARTS
12. GAS VALVE
12.1 To change the gas valve:
• Disconnecttheinletpipe
• Disconnectthefeedpipe
• Disconnectthepilotpipe
• Disconnectthethermocouple,thermocurrentwiresand
the interrupter block
• Removethetwoscrewsandrotatethevalveto
access the front
The cable can now be removed from the valve, Diagram 16
16
AR1994
• Reassembleinreverseorderandcheckforleaks
13. CHANGING BETWEEN GAS TYPES
In order to change between gas types it will be necessary to
change the following items.
Main Injector
Main Burner
Pilot Injector
Control Valve
Control Box
Thermocouple ( NG to LPG only).
LPG to NG no change).
Data Badge
14. CONTROL BRACKET ASSEMBLY
NOTE: THIS ONLY NEEDS TO BE DONE IF ACCESS IS
TO THE CONTROLS IS RESTRICTED.
14.1 Remove the outer decorative front, refer to the instructions
supplied with the front. (FOR VETRO, PLANO AND STEEL
FRAMES,MAKESURETHATTHETOUCHPADIS
REMOVED FROM THE HARNESS BEFORE FRAME
REMOVAL)
14.2 Remove the lower panel. See diagram 6 above.
14.3 Disconnect the gas pipe at the isolation device. See diagram
17 arrow B.
17
AR1994
B
14.4 Remove the glass frame. See diagram 21 arrow C.
18
AR1338
C
C
C
C
C
C
C
C
C
14.5 Remove the main burner as described in Section 2,
Replacing Parts
14.6 Remove the injector locknut. See diagram 19.
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