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If an Exhaust Hood Cannot be Used

The outside end of main vent should have a sweep elbow

directed downward.

12" min.

(305 mm)*

* Minimum clearance above any

accumulation of snow, ice, or

debris such as leaves

If main vent travels vertically through the roof, rather than

through wall, install a 180° sweep elbow on end of vent at least

2 ft. (610 mm) above surface of roof.

The opening in wall or roof shall have a diameter 1⁄2" (13 mm)

larger than vent diameter. Vent should be centered in opening.

Do not install screening over end of vent for best performance.

Make Gas Connection

1. Remove red cap from gas pipe on back of dryer.

2. Connect gas supply to dryer. Use a pipe thread compound

approved for the type of gas supplied. If flexible metal

tubing is used, be certain there are no kinks.

If necessary for service, depending on model:

Open the toe panel by removing the 2

from the bottom of the panel. Then lift up on the panel while

pulling the bottom of the panel away from the dryer.

Open the toe panel. Use a putty knife to press on the toe

panel lock located at the center top of the toe panel. Pull

downward on the toe panel to open. Toe panel is hinged

at the bottom.

DRYER VENTING REQUIREMENTS

24" min.

(610 mm)

⁄

" hex-head screws

Multiple Dryer Venting

A main vent can be used for venting a group of dryers. The

main vent should be sized to remove 5663 l/min. (200 CFM)

of air per dryer. Large-capacity lint screens of proper design

may be used in main vent if checked and cleaned frequently.

The room where the dryers are located should have make-up

air (air supply) equal to or greater than CFM of all the dryers in

the room.

Back-draft dampers are available from your distributor and

should be installed in the vent of each dryer to keep exhausted

air from returning into dryers and to keep exhaust in balance

within main vent. Unobstructed return air openings are required.

Although usually each single-load dryer should have an

unobstructed outdoor air opening of 24 in.

on 1 in.

[6.5 cm

] per 1,000 Btu [252 kcal]), common make-up

air openings are also acceptable. Set up common openings so

the make-up air is distributed equally to all of the dryers. Keep

in mind that the coverage area must be increased by 33% to

account for the use of registers or louvers over the openings.

Also, make-up air openings should not be installed near the

location where exhaust vents exit the building.

Each vent should enter the main vent at an angle pointing in

the direction of the airflow. Vents entering from the opposite

side should be staggered to reduce the exhausted air from

interfering with the other vents.

Air Flow

air ow

The maximum angle of each vent entering the main vent should

be no more than 30°.

Keep air openings free of dry cleaning fluid fumes. Fumes

create acids which, when drawn through the dryer heating

units, can damage dryers and items being dried.

A clean-out cover should be located on the main vent for

periodic cleaning of the vent system.

GAS SUPPLY CONNECTION

3. Open the shut-off valve in the gas supply line and make sure

the dryer has its own gas supply opened.

4. Test all connections by brushing on an approved

noncorrosive leak-detection solution. Bubbles will show

a leak. Correct any leaks found.

(154 cm

) (based

30˚ max.