Gas Connection; Sizing And Connecting - Takagi GS-20W-AU5/6 Installation Manual And Owners Manual

8. GAS CONNECTIONS
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.

SIZING AND CONNECTING

Check the gas type label to make sure that the water heater is available for your gas, and that the
gas inlet pressure is within the appropriate range. (Please refer to p. 3.)
1.
2. Inlet gas pressure must not exceed the above maximum values; gas pressure above the speci-
3.
heater is disconnected to avoid any damage to the water heater.
•
• Always use approved connectors to connect the unit to the gas line. Always purge the
•
• The manifold pressure is preset at the factory. It is computer controlled and is not to be
• 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.
WARNING
1.
Power cord
Gas supply inlet
2.
Gas valve
10
CAUTION
heater and manual gas valve located on
the outside of the unit before beginning
not connect water line to gas inlet. It may