GSW Gas Fired Water Heater User Manual download pdf (Page 3)

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CAUTION

HYDROGEN GAS can be produced in a hot water system

served by this heater that has not been used for a long period of

time (generally two weeks or more). HYDR

OGEN GAS IS

EXTREMELY FLAMMABLE. To reduce the risk of injury under

these conditions, it is recommended that the hot water faucet be

opened for several minutes at the kitchen sink before using any

electrical appliance connected to the hot water system. If

hydrogen is present, there will probably be an unusual sound,

such as air escaping through the pipe as the water begins to flow.

THERE SHOULD BE NO SMOKING, OR OPEN FLAME

NEAR THE FAUCET AT THE TIME THAT IT IS OPEN.

INSTALLATION INSTRUCTIONS

Location and Clearances

Location selected should be as close to the stack or chimney as

practical and as centralized with the piping system as possible.

The heater should be located in an area not subject to freezing

temperatures.

Locate near a floor drain and in an area where leakage of the tank

or water piping will not result in damaging adjacent areas or lower

floors of the structure. Where such a location is not available, a

suitable drain pan, not restricting combustion air flow, must be

installed under the water heater. This pan shall be 1½“ (40 mm)

deep and a diameter that is a minimum of 2” (50 mm) greater than

the diameter of the water heater. A suitable pipe properly

connected to an adjacent floor drain shall be provided.

GSW CANNOT BE HELD RESPONSIBLE for damage

caused by water from the water heater, pressure relief valve, or

related fittings where adequate provisions to drain such water has

not been made.

Locate the water heater such that all controls are easily

accessible. We recommend that 24” (0.6 m) in front of the heater

and 34”(0.9m) above be maintained for serviceability. Ensure that

the water heater is level.

Minimum clearances between the heater and combustible

materials are: 1”(25mm) sides and rear; 4”(100mm) at the front;

open on an alcove; 8”(200mm) from the top of the water heater

and the flue 6”(150mm), except for certain models will have

different wall clearances as shown in Table (1) below. This heater

may be installed in a closet or alcove and is certified for operation

on a combustible floor.

TABLE 1

WARNING

Do not install directly on carpet. Instead, place the water heater on

a metal or wood panel extending a minimum of 3” (75 mm) from

all sides. In alcoves or closets, cover the carpet completely.

Ensure that this panel is capable of supporting the weight of this

heater when filled with water.

FAILURE TO PROPERLY INSTALL THIS HEATER MAY

RESULT IN A FIRE HAZARD.

II) AIR REQUIREMENTS

General

An adequate air supply shall be provided for

combustion and ventilation of this water heater. An

insufficient supply can result in poor combustion and

possible sooting of the burner, combustion

chamber or flue passageway. This may present

a potential fire hazard or could create a serious

health hazard by producing carbon monoxide.

Where an exhaust fan or any other air consuming appliance (Eg.

Clothes dryer, furnace, etc.) is installed in the same space as the

water heater, sufficient air openings must be available to provide

fresh air when all appliances are operating simultaneously.

The area in which the heater is located is classified as either “an

unconfined space” or “a confined space.”

An unconfined space is defined as a space having a volume not

less than 50 cubic feet per 1000 BTU/hour (4.8 cubic meters per

kilowatt) of combined input rating of all appliances using the

space. Adjacent open rooms may be included as part of the

unconfined space. There shall be no closeable doors

between these rooms. An example of this is an open

basement.

A confined sp

ace is one smaller than described above. Air shall be

supplied through permanent openings as described in Figure 3.

At no time shall an air opening have a dimension of

less than 3” (75 mm) and at no time shall any top opening be

lower than the top of the water heater.

FIGURE 2 - ROUGH-IN DIMENSIONS

*NOTE: Model may have prefix G, JW or SS

MODEL# 75-3 6058 602/60E 5063T 4060T

FRONT

CLEARANCE

5"/13cm 5"/13cm 5"/13cm 5"/13cm 5"/13cm

75-3 24 11 3/8 15 5/16 54 1/8 62 65 1/8 4 12

6058 22 12 1/16 16 3/16 51 7/8 58 3/4 62 1/2 4 8

602/60E 22 12 1/16 16 3/16 51 7/8 58 3/4 62 1/2 4 8

5063T 22 9 7/8 14 54 13/32 61 1/16 64 1/2 4 8

50T 20 9 5/8 14 50 1/8 56 3/4 59 15/16 4 8

50F 24 9 13/16 13 7/8 43 1/4 50 3/16 53 15/16 4 8

502/50E 22 9 13/16 13 7/8 43 1/4 50 3/16 53 15/16 4 8

50S 22 9 5/8 14 41 1/2 48 3/8 53 7/8 4 8

4060T 20 9 5/8 14 54 13/32 60 1/2 64 1/4 4 8

4040T 18 9 5/8 14 51 1/4 59 1/2 63 4 8

40T 18 9 5/8 14 51 1/4 57 5/8 60 13/16 3 8

40F 22 9 5/8 14 42 1/2 50 3/16 53 15/16 4 8

402/40E 20 9 5/8 14 42 1/2 49 1/4 53 4 8

40S 20 9 5/8 14 41 1/4 47 3/4 50 15/16 3 8

30T 16 9 5/8 14 50 3/4 56 3/4 59 15/16 3 8

30S 18 9 5/8 14 39 3/4 46 49 3/16 3 8

19 18 9 5/8 14 27 13/16 34 37 1/4 3 8

MODEL # A B C D E F G H

FIGURE 1

“B”

“D”

“E”

“C”

“F”

“A”

“H”

“G”

GAS INLET

1/2” NPT

COLD INLET

3/4” NPT

T&P

VALVE

HOT OUTLET

3/4” NPT

DRAIN

VALVE

1 2 3 4 5 6 7 8 ... 12 13

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GSW Gas Fired Water Heater User Manual Page 3

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