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APPENDIX A:
GAS TYPE CONVERSION
If at any stage the heater is required to run on a gas other than that which it was factory equipped a
conversion kit can be ordered through your YUNCA dealer, see parts list for reference number in
Appendix.
The conversion should be done by a suitably qualified person.
Steps
1. Isolate the heater from the gas supply
2.
Remove the front door as described previously. Refer Maintenance – Removal of Door
3.
Remove the front logset and bark tray, remove the back log.
4.
Disconnect the supply pipes from the burners.
5.
The burner module can be unscrewed, it is held in place by two screws located between the
burners.
6.
Undo the screw on the left hand burner support bracket.
7.
Lifting the burner module. The two screws that attach the pilot assembly are now accessible
under the front burner, remove these screws.
8.
It is now possible to remove the entire main burner module.
9.
Burner Injector Change. Unscrew the brass injector holders from the burner frame.
10. The brass injectors are threaded into the end of the injector holders, they can be removed
with a 7mm spanner, and the new injectors fitted. See Appendix – Injector Size. An
approved sealing compound should also be used. Replace the Brass injector holders on to
the burner frame.
11. Pilot Jet Change. Disconnect the gas supply pipe to the pilot burner.
12. Disconnect Spark Electrode and then Thermocouple
09-06-01
Page 17 of 17
op-instruct-leedz-ib.doc
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