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The illustration below shows the minimum cross-sectional
area for multiple dryer round or square venting. These figures
must be increased if the main duct run from the last dryer to
where it exhausts to the outdoors is longer than 20 feet (6.09
meters) or has more than 1 elbow in it.
Multiple Dryer Venting with 10-Inch (25.4 cm) Diameter
1,200 cfm (33.98 cmm) Exhaust Connections at Common Duct
NOTE 1 Opening from combustible materials must be 2-inches (5.08 cm)
larger than the duct (all the way around). The duct must be centered
within this opening.
NOTE 2 Distance should be 2 times the diameter of the duct to the nearest
obstruction.
Multiple Dryer Venting with 8-Inch (20.32 cm) Diameter
600 cfm (16.99 cmm) Exhaust Connections at Common Duct
A = 10-inches (25.4 cm) B = 20 feet (6.09 meters)
NUMBER OF DRYERS 4 3 2 1
MINIMUM CROSS-
SECTIONAL AREA
SQ IN 254 200 155 80
SQ CM 1638 1290 999 516
MINIMUM ROUND
DUCT DIAMETER
IN 18 16 14 10
CM 45.72 40.64 35.56 25.4
Electrical Information _________________
Electrical Requirements
All electrical connections must be made by a properly licensed
and competent electrician. This is to ensure that the electrical
installation is adequate and conforms to local, state, and
national regulations or codes of the country of origin. In the
absence of such codes, all electrical connections, materials,
and workmanship must conform to the applicable
requirements of the National Electrical Code ANSI/NFPA NO.
70-LATEST EDITION or in Canada, the Canadian Electrical
Codes Parts 1 & 2 CSA C22.1-1990 or LATEST EDITION.
Important
Failure to comply with these codes or ordinances,
and/or the requirements stipulated in this manual
can result in personal injury or component failure.
Note
Component failure due to improper installation will
void the warranty.
Each pocket should be connected to an independently
protected branch circuit. The dryer must be connected with
copper wire only. Do not use aluminum wire, which could
cause a fire hazard. The copper conductor wire/cable must
be of proper ampacity and insulation in accordance with
electric codes for making all service connections.
Note
The use of aluminum wire will void the warranty.
An individual ground circuit must be provided to each
pocket, do not daisy chain.
Component failure due to improper voltage application will
void the warranty.
The manufacturer reserves the right to make changes in
specifications at any time without notice or obligation.
Important
A separate protected circuit must be provided to
each pocket.
It is necessary to have a power disconnect for each pocket.
These disconnects must be located within 30 feet (9
meters) of the unit and also be identified as being one of
two power sources supplying a dryer.
The dryer must be connected to the electric supply shown
on the data label. In the case of 208 VAC or 230/240 VAC,
the supply voltage must match the electric service
specifications of the data label exactly.
The wire size must be properly sized to handle the related
current.
Warning
208 VAC and 230/240 VAC are not the same. Any
damage done to dryer components due to
improper voltage connections will automatically void the
warranty.
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A = 8-inches (20.32 cm)
B = 20 feet (6.09 meters)
NUMBER OF DRYERS 87654321
MINIMUM CROSS-
SECTIONAL AREA
SQ IN 254 200 155 80
SQ CM 1638 1290 999 516
MINIMUM ROUND
DUCT DIAMETER
IN 18 16 14 10
CM 45.72 40.64 35.56 25.4
NOTE 1 Opening from combustible materials must be 2-inches (5.08 cm)
larger than the duct (all the way around). The duct must be centered
within this opening.
NOTE 2 Distance should be 2 times the diameter of the duct to the nearest
obstruction.