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Configuring the room ventilation opening
Rooms in which flatwork ironers and tumble dryers are operated must have an in-
duced ventilation system (ventilation slots in windows and doors, wall breakthroughs
with louvres or opened windows or skylights).
For example 1
A pipe diameter of 6" (150 mm) was specified. According to this pipe diameter, a room
ventilation opening with a size of 17' 5" (531 cm) is required. The edge length is
9 1/16" (230 mm) (see Table 3).
For example 2
A total pipe diameter of 8 11/16" (220 mm) was specified. According to this pipe diameter,
a room ventilation opening with a size of 37' 4" (1,140 cm) is required. The edge length is
14 13/16" (377 mm) (see Table 3).
For example 3
Since in this case the tumble dryer is connected to a central air supply, additional ventila-
tion openings are not needed.
Supply air, exhaust, and ventilation cross-sections
13
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