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If an Exhaust Hood Cannot be Used
The outside end of main vent should have a sweep elbow directed
downward.
* 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 610 mm
(2 ft.) above surface of roof.
The opening in wall or roof shall have a diameter 13 mm (1⁄2")
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. If the flexible gas hose has 10 mm
(3/8") BSP thread, use the supplied conversion thread adapter.
Use pipe-joint compound resistant to the action of L.P. gas for
gas connections.
If necessary for service, open the toe panel. Use a putty knife
to press on the 2 toe panel locks located at the top of the toe
panel. Pull downward on the toe panel to open. Toe panel
is hinged at the bottom.
DRYER VENTING REQUIREMENTS
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 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 154 cm
6.5 cm
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.
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.
[1 in.
] per 252 kcal [1,000 Btu]), common make-up air
2
2
air ow
Air Flow
(24 in.
) (based on
2
2
30˚ max.
(on some models)
15
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