Rinnai 2402 Specifications download pdf (Page 28)

Model 2402www.rinnaiamerica.com 2 8

INSTALLER’S INSTALLATION INSTRUCTIONS

Gas Piping Notes

1) A manual gas control valve must be placed upon the gas inlet connection to the

Continuum 2402 before it is connected to the gas line. A union can be used on the

connection of the Continuum for the future servicing or disconnection of the unit.

2) Check the type of gas and the gas inlet pressure before connecting the Continuum

2402. If the Continuum 2402 is not of the gas type that the building is supplied

with, DO NOT connect the water heater. Contact the dealer for the proper unit to

match the gas type.

3) Minimum and Maximum Gas pressures are listed below:

* Minimum value is for input adjustment

Natural Gas: Minimum 7" WC Propane Gas: Minimum 10"WC

Maximum 10.5" WC Maximum 14" WC

WARNING: Conversion of this unit from natural gas to propane or propane to

natural gas CANNOT be done in the field.

4) After completion of gas pipe connections, all joints including the heater must be

checked for gas-tightness by means of leak detector solution, soap and water, or an

equivalent nonflammable solution, as applicable. Caution: Since some leak test

solutions, including soap and water, may cause corrosion or stress cracking, the

piping must be rinsed with water after testing, unless it has been determined that

the leak solution is non-corrosive.

5) The Continuum 2402 must be leak tested before it is placed into operation.

6) The Continuum 2402 and its individual shut-off valve must be disconnected from the

gas supply piping system when pressure testing of the gas supply piping system at

test pressures equal to or greater than 1/2 psi.

7) Always use approved connectors to connect the unit to the gas line. Always purge

the gas line of any debris before connection to the water heater.

8) The Continuum 2402 must be isolated from the gas supply piping system by closing

it's individual manual shutoff valve during any pressure testing of the gas supply

piping system at test pressures less than 1/2 psi.

9) The Continuum 2402's Installation location must provide adequate Combustion and

Ventilation airflow.

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Rinnai 2402 Specifications Page 28