Alliance Laundry Systems 504523R3 User Manual

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504523
• Main collector duct should be sized according to 
specifications shown below.
NOTE: Main collector duct should be equipped with 
an auxiliary fan that can maintain the duct airflow at 
a minimum of 366 m (1200 feet) per minute. If you do 
not have a fan, clean the main collector duct at least 
twice a year.
D039IE3D
WEATHER HOOD
OR SWEEP ELBOW
(No cap or screen)
WALL
PARAPET
ROOF
180˚ SWEEP
ELBOW
(No cap
or screen)
60.96 cm
(24") MIN.
VERTICAL DUCT
HORIZONTAL DUCT
MAIN COLLECTOR DUCT
MAIN COLLECTOR DUCT
Number of Dryers
Minimum Diameter of 
Horizontal Collector Duct
Minimum Diameter of 
Vertical Collector Duct
2
17.8 cm (7 inches)
20.3 cm (8 inches)
3
20.3 cm (8 inches)
22.9 cm (9 inches)
4
22.9 cm (9 inches)
25.4 cm (10 inches)
5
25.4 cm (10 inches)
27.9 cm (11 inches)
6
27.9 cm (11 inches)
30.5 cm (12 inches)
7
30.5 cm (12 inches)
32.6 cm (13 inches)
8
30.5 cm (12 inches)
35.6 cm (14 inches)
9
32.6 cm (13 inches)
38.1 cm (15 inches)
10
35.6 cm (14 inches)
38.1 cm (15 inches)
11
35.6 cm (14 inches)
40.6 cm (16 inches)