1. Remove the Burner Assembly. Refer to „Burner Assembly‟ procedure on page 51.
2. Replace the Injectors with ones suitable for the new gas type. Refer to table below and
follow steps 2 & 3 of the „Burner Manifold and Injector‟ procedure on page 51. Note:
Ensure the sealing washer is removed from the existing injector and fitted to the
replacement injector.
3. Re-assemble and fit the Burner Assembly to the pool heater.
4. Remove the Gas Valve Cover and Gas Valve Enclosure. Refer to steps 5 & 6 of the
„Gas Valve‟ procedure on page 52.
5. Natural Gas – Propane Gas Conversion: Remove the
regulator cover screw, plastic adjustment screw and gas type
spring from the gas valve and replace with the grey/white
powder coated spring suitable for propane (refer to diagram
opposite and table below). Screw the adjustment screw half
way in (approx 5 full turns).
Propane Gas – Natural Gas Conversion: Replace the Gas
Control (refer to the table below). Follow steps 3 & 7-10 of
the „Gas Valve‟ procedure on page 52.
6. Restore power and gas supplies, start pump and operate the
pool heater.
7. Check for leaks using soapy water solution.
8. Adjust the burner pressure to that indicated in the „Specifications‟ table on page 4 for
the gas type. Refer to „Burner Pressure Adjustment‟ procedure on page 41.
9. Mark the rating label with the new injector size details and burner pressure using an
indelible ink and complete reassembly.
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