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15
IMPORTANT:
For extended ductwork runs, the cross section area of the duct can only be
increased to an extent. For extended ductwork runs, a professional heating,
ventilating, and air-conditioning (HVAC) firm
should be
consulted for proper
venting information.
VERTICAL VENTING
Illus. D
The maximum length of venting from the last dryer to where it exhausts.
Vertical venting
must not exceed
25 feet (7.6 meters), this calculation compensates for the use of a maximum
of three (3) elbows including the two (2) elbows creating the 180º (turned downward) outside outlet protection.
IMPORTANT:
No more than eight (8) dryers maximum
should be
connected to one (1) main
common duct with a vertical run.
NOTE:
Distance between dryer single ducts being connected to the main common duct
must be
a minimum of 28-1/2” (72.39 cm) dryer width.
Ductwork
should be
laid out in such a manner where allowances are made at rear area of
the dryer for removal of rear service panels or guards.
Illus. D
(refer to the
above illustration
) shows the minimum cross section area for vertical multiple dryer
venting. These figures
must be
increased in proportion if the main duct run from the last dryer to where it
exhausts has numerous elbows or is unusually long.
IMPORTANT:
For extended ductwork runs, the cross section area of the duct can only be
increased to an extent. For extended ductwork runs, a professional heating,
ventilating, and air-conditioning (HVAC) firm
should be
consulted for proper
venting information.
Содержание AD-285
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