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15
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 exible metal
tubing is used, be certain there are no kinks.
If necessary for service, open the front lower service panel
by using a 1/4" nutdriver to remove the 2 hex-head screws
from the boom of the panel. Then li up on the panel
while pulling the boom of the panel away from the dryer.
3. Open the shut-o valve in the gas supply line and make sure
the dryer has its own gas supply opened.
4. Test all connecons by brushing on an approved
noncorrosive leak-detecon soluon. Bubbles will show
a leak. Correct any leaks found.
GAS SUPPLY CONNECTION
The outside end of main vent should have a sweep elbow
directed downward.
If main vent travels vercally through the roof, rather than
through wall, install a 180° sweep elbow on end of vent at least
2 . (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.
12" min.
(305 mm)*
A main vent can be used for venng 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-dra Damper Kit, Part No. 3391910, is 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.
Each vent should enter the main vent at an angle poinng in
the direcon of the airow. 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 uid fumes. Fumes
create acids which, when drawn through the dryer heang
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.
Multiple Dryer Venting
DRYER VENTING REQUIREMENTS
24" min.
(610 mm)
any accumulation of snow,
30˚ max.
air ow
air flow
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