Atwood 4-E Manuale di istruzioni per l'installazione - Pagina 3

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8. Push unit against caulking, secure 4-corner brackets (

coach with No. 8 - 3/4˝ round head screws (not furnished) or equivalent.

Complete the installation by inserting the same type of #8 screws in the

holes provided around the flange of the water heater housing.

9. Attach access door.

a. Snap hinge pin (

3-C) into clip (

FIG

b. Slide cover (

3-E) onto hinge pin.

FIG

c. Slide hinge pin into cover, snapping into clip at same time (

: To remove hinge pin, support access cover and apply force to

NOTE

corner of hinge pin.

10. Disconnect unit and its individual shut-off valve from gas supply

line during any pressure testing of system in excess of 1/2 PSIG

(3.4 kPa, 14˝ water column [W.C.]).

than maximum indicated on rating plate of gas valve (13˝ W.C.).

Isolate unit from gas supply line by closing its individual manual

shutoff valve during any pressure testing ≤ 1/2 psig.

FIRE AND/OR EXPLOSION

•

use matches, candles or other sources of ignition when

DO NOT

checking for gas leaks.

11. Turn on gas and check water heater and all connections for gas

leaks with leak detecting solution.

12. Fill water heater tank, check all connections for water leaks.

PRESSURE-TEMPERATURE RELIEF VALVE

This water heater is equipped with a temperature and pressure relief

valve (

3-G) that complies with standard for Relief Valves and

FIG

Automatic Gas Shutoff Devices for Hot Water Systems, ANSI Z21.22.

This valve is a safety component and must not be removed for any reason

other than replacement.

EXPLOSION

place a valve, plug or reducing coupling on outlet part of

•

DO NOT

relief valve.

If you use a discharge line, do not use a reducing coupling or other

restriction smaller than outlet of relief valve. Allow complete drainage

of both valve and line.

FOR REPLACEMENT PARTS:

•

install anything less than a combination temperature-pressure

DO NOT

relief valve certified by a nationally recognized testing laboratory that

maintains periodic inspection of product of listed equipment or materi-

als, as meeting requirements for Relief Valves and Automatic Gas

Shutoff Devices for Hot Water Supply Systems, ANSI Z21.22. Valve

must have a maximum set pressure not to exceed 150 psi.

• Install valve into opening provided and marked for this purpose on

water heater.

• Installation must conform with local codes or in the absence of local

codes, American National Standard for Recreational Vehicles, ANSI

A119.2/NFPA 50IC.

• For an external electrical source, ground this unit in accordance with

National Electrical Code ANSI/NFPA70.

Your ATWOOD PILOT GAS WATER HEATER is now ready for operation.

Continue to HOW TO OPERATE YOUR WATER HEATER

3-B) to

FIG

3-D).

FIG

set inlet pressure higher

DO NOT

WARNING

CONSUMER SAFETY WARNINGS

store or use gasoline or other flammable vapors and liquids in

• DO NOT

the vicinity of this or any other appliance.

3-D).

FIG

Should overheating occur, or gas supply fail to shut off, turn OFF

•

manual gas control valve to appliance, or turn gas OFF at the LP

tank. On ELECTRONIC IGNITION MODEL turn operating switch to OFF

position and remove red wire from left hand terminal of ECO switch

or turn gas OFF at the LP tank.

Use with LP gas only.

•

Shut off gas appliances and pilot lights when refueling.

•

On PILOT RELIGHT MODELS, turn off the ignition module when refuel-

•

ing gasoline tanks or LP tanks.

Turn gas OFF at the LP tank when vehicle is in motion. This disables

•

all gas appliances and pilot lights. Gas appliances must never be

operated while vehicle is in motion. Unpredictable wind currents

may be created which could cause flame reversal in the burner

tube, which could result in fire damage. The thermal cut off fuse

could also be unnecessarily activated resulting in a complete shut-

down of the water heater requiring replacement of the thermal cut

off. See maintenance of electronic ignition water heaters for further

explanation of the thermal cut off.

LP tanks must be filled by a qualified gas supplier only.

•

HOW TO OPERATE YOUR WATER HEATER

Do not smoke or have any flame near an open faucet.

•

If water heater has not been used for more than two weeks, hydrogen

gas may form in water line. Under these conditions to reduce the risk

of injury, open hot water faucet for several minutes at kitchen sink

before you use any electrical appliance connected to hot water system.

If hydrogen gas is present, you will probably hear sounds like air

escaping through the pipe as water begins to flow.

• Do not tamper with pilot orifice.

• Do not operate without water in tank.

PILOT OPERATION

1. Water heater may be equipped with a White Rodgers

Robertshaw Unitrol

2. Turn gas control valve knob (

3. Wait at least five minutes to allow accumulated gas in burner com-

partment to escape.

WARNING

EXPLOSION OR FIRE

CAUTION

FIRE

CAUTION

SCALDING INJURY

CAUTION

PRODUCT FAILURE

Control

FIG

7-B) to OFF position.

FIG