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4.3 GAS CONNECTION
CAUTION
●
Turn off the electric power to the water heater and manual gas valve located on the outside of the
unit before beginning gas connection.
●
Confirm the position of the gas inlet. Do not connect water line to gas inlet. This may lead to critical
damage.
4.4 SIZING AND CONNECTING LOCATION SUITABILITY
Check the gas type label to make sure that the unit was built for the type of gas you will be using,
and that the gas inlet pressure is within the appropriate range. (Please refer to p.4.)
●
Gas pressure below this specified range for the water heater and/or insufficient gas volume will
adversely affect performance.
●
Inlet gas pressure must not exceed the above maximum values; gas pressure above the specified
range will cause dangerous operating conditions and damage to the unit.
●
Until testing of the main gas line supply pressure is completed, ensure the gas line to the water heater
is disconnected to avoid any damage to the water heater.
●
Size the gas piping according to AS/NZS5601 installation code for the correct pipe sizing for the water
heater.
●
Always use approved connectors to connect the unit to the gas line. Always purge the gas line of any
debris before connecting to the water heater.
●
Install a manual gas shut-off valve between the water heater and the gas supply line.
●
The regulator is preset at the factory. It is computer controlled and is not to be adjusted by any person
other than a qualified service provider.
●
When the gas connections are completed, it is necessary to perform a gas leak test either by applying
soapy water to all gas fittings and observing for bubbles or by using a gas leak detection device.
!
Conversion of this unit from natural gas to propane or propane to natural gas cannot be
done in the field. Contact your local retailer or distributor to get the correct unit for your gas
type.
GAS VALVE
WARNING
10
POWER CORD
GAS INLET SUPPLY
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