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6
EXHAUST LENGTH CALCULATION
ALTERNATE EXHAUST DIRECTIONS
IF YOUR DRYER COMES WITH REAR EXHAUST,
TO CHANGE TO SIDE OR DOWN EXHAUST:
• Remove access panel at back of dryer to gain access to
internal ducts.
• Disconnect duct exhaust from blower housing (remove tape
securing duct).
FOR SIDE EXHAUST:
• Remove desired knockout plate
(either right or left side).
• Cut a 115 mm (4
1
/
2
”) length of
100 mm (4”) dia. rigid duct as
shown (remove burrs from cut edge).
• Attach this extension duct to
blower housing duct.
• Attach a 90˚ elbow facing desired
opening.
• Attach a section of 100 mm (4”)
dia. rigid duct to elbow to
protrude thru side of cabinet.
• Seal all joints with duct tape.
• Reinstall rear access panel.
FOR BOTTOM EXHAUST:
• Remove cover plate at bottom of
dryer.
• Install a 90˚ elbow.
• Seal all joints with duct tape.
• Reinstall rear access panel.
• Place cover plate (removed from
bottom of dryer) over rear exhaust
opening.
IF YOUR DRYER COMES WITH TOP EXHAUSTING,
TO CHANGE TO SIDE OR REAR EXHAUST:
• Remove rear access panel.
• Disconnect retaining plate & 90˚ elbow by removing
mounting screw from the chassis & remove tape securing
elbow to blower housing.
• Remove cover plate from rear access panel and place over
top exhaust opening.
FOR SIDE EXHAUST:
• Remove retaining plate attached to 90˚ elbow.
• Remove desired knockout plate (either right or
left side).
• Cut a 115 mm (4
1
/
2
”) length of 100 mm (4”)
dia. rigid duct as shown (remove burrs from
cut edge).
• Attach this extension duct to blower housing
duct.
• Attach the 90˚ elbow facing desired opening.
• Attach a section of 100 mm (4”) dia. rigid
duct to elbow to protude thru side of cabinet.
• Seal all joints with duct tape.
• Reinstall rear access panel.
FOR REAR EXHAUST:
• Cut a 295 mm (11
5
/
8
”) length of 100 mm (4”)
dia. ridig duct as shown (remove burrs from
cutting edge).
• Attach this extension duct to blower housing.
• Seal all joints with duct tape.
• Reinstall rear access panel.
Table 1: RECOMMENDED MAXIMUM LENGTH
ELECTRIC DRYERS
Weather Hood Type
Recommended
Use only for short
run installations
No. of 90˚
elbows
Rigid
Metallic
Flexible*
Rigid
Metallic
Flexible*
0
1
2
3
14 m (46 ft.)
11 m (38 ft.)
9 m (31 ft.)
7 m (24 ft.)
9 m (30 ft.)
7.5 m (25 ft.)
6 m (20 ft.)
5 m (16 ft.)
11 m (37 ft.)
9 m (30 ft.)
6.5 m (22 ft.)
4.5 m (15 ft.)
7 m (24 ft.)
6 m (20 ft.)
4 m (14 ft.)
3 m (10 ft.)
* Do not use non metallic flexible duct.
152 mm
203 mm
(8")
Bottom
knockout
Right knockout
89 mm
(3
1
/
2")
Front of dryer
Blower
Left knockout
6"
295 mm
115 mm
(11
5
/
8
")
(4
1
/
2
")
For Rear Exhaust
For Side Exhaust
Rigid
Metallic
Ducting
Cut Here
EXTENSION DUCT
NOTE: Non-metallic ducts must never be used inside dryer cabinet.
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