Installation Instructions

Receiving Inspection

Upon delivery, visually inspect crate, carton and parts for any visible shipping damage. If the crate, carton or cover are damaged, or signs of possible damage are evidence, have the carrier note the condition on the shipping papers before the shipping receipt is signed, or advise the carrier of the condition as soon as it is discovered.

Remove the crate and protective cover as soon as possible and check the items listed on the packing list. A written claim should be filed as soon as possible with the carrier if items are damaged or missing.

IMPORTANT: Remove the shipping tape from the two back draft dampers located in the exhaust thimble.

Materials Required

•One disconnect switch with fuses or Fusetron(s) (acceptable for 120 Volt installations).

NOTE: For voltages higher than 120 Volts, a circuit breaker must be used.

•Two gas shut-off valves for stacked tumblers.

Facilities Required

Layout

Whenever possible, tumblers should be installed along an outside wall where duct length can be kept to a minimum, and make-up air can be easily accessed. Construction must not block the airflow at the top rear of the tumbler. Doing so would prevent adequate air supply to the tumbler’s combustion chamber.

WARNING

A tumbler produces combustible lint. To reduce the risk of fire, and the accumulation of combustion gases, the tumbler must be exhausted to the outdoors.

W646

The stacked drying tumbler has been specifically designed to provide twice the drying capacity utilizing the same floor space as the standard 30 lb. (31-5/8 inches wide) drying tumbler.

The only thing common between the stacked drying tumbler and the standard drying tumbler is the floor

space requirements. Twice the drying capacity means two separate heat sources, two separate cylinders/ drives, and two separate controls.

Floor

The drying tumbler may be installed on any level floor capable of supporting 100 pounds per square foot (488 kg/square meter). Floor covering materials such as carpeting or tile should be removed.

Shipping Braces

To facilitate installation, the shipping braces located on the lower left and right rear corners may be removed. To remove, simply remove the four round head screws from each brace, remove and discard brace, and replace the screws in the same holes they were removed from.

NOTE: The shipping brace need not be removed if it does not interfere with installation. If you do not remove the shipping brace, you will need to add an additional 5/32 inch (4 mm) to your installation space.

Venting

For maximum efficiency and minimum lint accumulation, tumbler air must be exhausted to the outdoors by the shortest possible route.

Proper sized ducts are essential for proper installation. All elbows should be sweep type. Do not install elbows with a radius less than shown in the table below. Exhaust ducts must be assembled so the interior surfaces are smooth, and so the joints do not permit the accumulation of lint. Do not use sheet metal screws to join vent sections. Improperly sized or assembled ductwork causes excess back pressure which results in slow drying, lint collecting in the duct, lint blowing back into the room, and increased fire hazard.

NOTE: Exhaust ducts must be constructed of sheet metal or other non-combustible material. Such ducts must be equivalent in strength and corrosion resistance to ducts made of galvanized sheet steel not less than 0.0195 inch (0.495 mm) thick.

Where the exhaust duct pierces a combustible wall or ceiling, an opening having a diameter of four inches (10.2 cm) larger than the diameter of the exhaust duct shall be provided, with the duct centered in the opening. When ducts pass through walls, ceilings, floors or partitions, the space around the duct shall be sealed with non-combustible material. Refer to Figures 1 and 2.

M412060

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