Reliant FVIR GAS WATER HEATER Bedienerhandbuch PDF herunterladen (Seite 19)

If a standard model is installed above 2,000 feet (610 m) or

high altitude model is installed above 4,500 feet (1,370 m), the

input rating should be reduced at the rate of 4 percent for each

1000 feet (305 m) above sea level which requires replacement

of the burner orifice in accordance with National Fuel Gas Code

ANSI Z223.1/NFPA 54 or Contact your local gas supplier

for further information.

Failure to replace the standard orifice with a high altitude orifice

when installed at elevations above 2,000 feet (610 m) or above

4,500 feet (1,370 m) for high altitude model could result in

improper and inefficient operation of the appliance, producing

carbon monoxide gas in excess of safe limits, which could

result in serious injury or death. Contact your local gas supplier

for any specific changes which may be required in your area.

Use pipe joint compound or teflon tape marked as being

resistant to the action of petroleum [Propane (L.P.)] gases.

The appliance and its gas connection must be leak tested

before placing the appliance in operation.

The appliance and its individual shut-off valve shall be

disconnected from the gas supply piping system during any

pressure testing of that system at test pressures in excess of

1/2 pound per square inch (3.5kPa). It shall be isolated from

the gas supply piping system by closing its individual manual

Shut-off valve during any pressure testing of the gas supply

piping system at test pressures equal to or less than 1/2 pound

per square inch (3.5kPa).

Connecting the gas piping to the gas control valve of the water

heater can be accomplished by either of the two methods

shown in Figures 29 and 30.

SEDIMENT TRAPS

A sediment trap shall be installed as close to the gas valve

inlet of the water heater as practical at the time of water heater

installation. The sediment trap shall be either a tee fitting with

a capped nipple in the bottom outlet or other device recognized

as an effective sediment trap. If a tee fitting is used, it shall

be installed in conformance with one of the methods of

installation , see Figures 29 and 30.

FIGURE 29. GAS PIPING WITH FLEXIBLE CONNECTOR.

FIGURE 30. GAS PIPING WITH ALL

BLACK IRON PIPE TO GAS CONTROL.

Contaminants in the gas lines may cause improper operation

of the gas control valve that may result in fire or explosion.

Before attaching the gas line be sure that all gas pipe is clean

on the inside. To trap any dirt or foreign material in the gas

supply line, a drip leg (sometimes called a sediment trap)

must be incorporated in the piping. The drip leg must be readily

accessible. Install in accordance with the “Gas Piping” section.

Refer to the current edition of the National Fuel Code, ANSI

Z223.1/NFPA 54.

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