A.O. Smith 120 trough 500 Manuel d'installation télécharger pdf (Page 9)

A service clearance of 24" (61cm) should be maintained from

serviceable parts, such as relief valves, flue baffles, flue damper

devices, thermostats, cleanout openings or drain valves.

INSTALLATION ON COMBUSTIBLE FLOORING

The BTR/BTRC 500 is approved for installations on combustible

flooring when installed with leg kit number 194230-000.

FIGURE 7

1. Unit needs to be lifted in a way not to damage unit or laid on

it’s side to access the bottom of the legs.

2. Slide leg extension under leg and the bolt up through the

bottom hole located in the bottom of the leg.

3. Once in place, screw nut down and secure.

4. Front of leg should line up with front of leg extension as shown

to make sure weight of unit is distributed through the leg

extension.

HARD WATER

Where hard water conditions exist, water softening or the

threshold type of water treatment is recommended. This will

protect the dishwashers, coffee urns, water heaters, water piping

and other equipment.

See MAINTENANCE section for details of tank cleanout

procedure.

AIR REQUIREMENTS

REFER TO THE LATEST EDITION OF THE "NATIONAL FUEL

GAS CODE" ANSI Z223.1/NFPA 54. FOR CANADA CONSULT

CAN/CSA B149.1-00.

WARNING

KEEP APPLIANCE AREA CLEAR AND FREE OF COMBUSTIBLE

MATERIALS, GASOLINE AND OTHER FLAMMABLES, VAPORS

AND LIQUIDS.

DO NOT OBSTRUCT THE FLOW OF COMBUSTION OR

VENTILATING AIR.

WARNING

FOR SAFE OPERATION PROVIDE ADEQUATE AIR FOR

COMBUSTION AND VENTILATION. AN INSUFFICIENT SUPPLY

OF AIR WILL CAUSE RECIRCULATION OF COMBUSTION

PRODUCTS RESULTING IN AIR CONTAMINATION THAT MAY

BE HAZARDOUS TO LIFE. SUCH A CONDITION OFTEN WILL

RESULT IN A YELLOW, LUMINOUS BURNER FLAME, CAUSING

CARBONING OR SOOTING OF THE COMBUSTION CHAMBER,

BURNERS AND FLUE TUBES AND CREATES A RISK OF

ASPHYXIATION.

Where an exhaust fan is supplied in the same room with a

heater, sufficient openings for air must be provided in the walls.

UNDERSIZED OPENINGS WILL CAUSE AIR TO BE DRAWN

INTO THE ROOM THROUGH THE CHIMNEY, CAUSING POOR

COMBUSTION. SOOTING MAY RESULT IN SERIOUS DAMAGE

TO THE HEATER AND RISK OF FIRE OR EXPLOSION.

UNCONFINED SPACE

In buildings of conventional frame, brick, or stone construction,

unconfined spaces may provide adequate air for combustion,

ventilation and draft hood dilution.

If the unconfined space is within a building of tight construction

(buildings using the following construction: weather stripping,

heavy insulation, caulking, vapor barrier, etc.), air for combustion,

ventilation and draft hood dilution must be obtained from

outdoors. The installation instructions for confined spaces in

tightly constructed buildings must be followed to ensure

adequate air supply.

ILLUSTRATION OF MINIMUM COMBUSTIBLE CLEARANCES IN AN ALCOVE

FIGURE 6

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 35 36

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A.O. Smith 120 trough 500 Manuel d'installation Page 9

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