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30
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Multi-Dryer Installation Exhaust
Requirements
Figure 30 shows a typical example of a multiple unit
installation. Note how each unit has its own exhaust
system vented to the central exhaust duct.
Figure 30
IMPORTANT: Static pressure in unit’s exhaust
duct should be no greater than that shown in
Figure 29. This can be measured with a manometer
placed on the exhaust duct approximately 610 mm
(2 feet) from the unit. Refer to Figure 29. All dryers
connected to the main collector duct should be in
operation when pressure is checked.
Installing an exhaust system does not eliminate the
necessity of cleaning the dryer lint filter before each
load. The dryer interior and the complete exhaust
system should be cleaned periodically by a qualified
service person to remove any lint build-up.
A Backdraft Damper, Part No. 58786 (obtain locally),
should be installed in a 102 mm (4 inch) diameter
VERTICAL duct system only. This will prevent a
backdraft when dryer is not in use, and will keep the
exhaust air in balance within the central exhaust
system.
SWD732N
1 58786 Backdraft Damper
(Available through your local authorized parts
source)
3 Weather Hood or Sweep Elbow
(No cap or screen)
2 Clean Out Cover must be provided.
Inspect monthly.
SWD732N
2
1
3
To reduce the risk of electric shock,
disconnect the electrical service to the unit
before cleaning.
W476
WARNING