AquaMAX G270VE Series - Manual (Page 34)

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1. Ensure all other gas appliances in the premises are operating (burners
alight).
2. Ensure water heater is turned off and gas control is completely shut
down (refer to ‘Shut Down Procedure’ on page 8).
3. Remove screw from inlet gas pressure test point on gas control and
attach manometer hose to test point.
4. Light the water heater and ensure burner is operating (refer to
‘Lighting Instructions’ on page 6).
5. Take manometer reading with burner operating.
6. Turn off water heater by completely shutting down gas control (refer to
‘Shut Down Procedure’ on page 8).
7. Remove manometer hose from inlet gas pressure test point and
replace test point screw.
8. Test inlet gas pressure test point for leaks using a soapy water
solution.
9. If inlet gas pressure is correct, light the water heater and ensure
burner is operating (refer to ‘Lighting Instructions’ on page 6). If inlet
gas pressure is incorrect, contact Aquamax service.
10. Replace front access panel.
Testing & Adjusting Burner Gas Pressure
The burner gas pressure must be checked and adjusted (where applicable)
as part of the commissioning procedure. The burner gas pressure should
be 1.0 kPa for natural gas models and 2.7 kPa (±5% tolerance) for propane
gas models with the burner operating (alight). Refer to ‘Gas Control
Component Diagram’ on page 31 for component location.
To check and adjust burner gas pressure:
1.
Ensure water heater is turned off and gas control is completely shut
down (refer to ‘Shut Down Procedure’ on page 8).
2. Using a small flat bladed screwdriver, lever and remove the black
plastic cover surrounding burner gas pressure test point on gas
control.
3. Remove screw from burner gas pressure test point and attach
manometer hose to test point.
4. Light the water heater and ensure burner is operating (refer to
‘Lighting Instructions’ on page 6).