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Venting requirements
Determine which ducting method is best for
your application. Duct system can extend
either through the wall or the roof. Locate
the remote blower so that the length of the
duct system and the number of elbows
is kept to a minimum to provide efficient
performance. Where possible, remote
blower should be centered between wall
studs or roof rafters. The size of the duct
system should be uniform. Do not install
two elbows together.
Use duct tape to seal all joints in the duct
system. Use caulking to seal remote wall
or floor opening around the cap. Flexible
duct is not recommended. It creates back
pressure/air turbulence and greatly reduces
performance. Make sure there is proper
clearance within the wall or floor for exhaust
duct before making cutouts. Avoid pipes,
wires, or other duct systems that may be
running through the wall. Do not cut a joist
or stud unless absolutely necessary. If a
joist or stud must be cut, then a supporting
frame must be constructed.
Install this side of the fan
facing an unoccupied space.
Maximum length of ductwork
55 feet for 10" round ductwork - count 90°
elbows as 5 feet and 45° elbows as 3 feet.
Duct length is given as a general reference only. For a longer
duct run, or smaller duct system, contact a qualified and
trained duct installer. Check with local codes for makeup
air requirements, if any. It is recommended that you use
round duct instead of rectangular duct, especially if elbows are
required. If rectangular duct is required, if should be transitioned
to 10" (25.4 cm) round duct as soon as possible.
For best performance, use no more than three 90° elbows.
If more than one elbow is used, make sure that there is a
minimum of 24 inches of straight duct between any two
elbows. Do not install two elbows together.
REMOTE BLOWER CONTENTS
A) Remote Blower
B) Ducting plate for Inca Pro Plus with
wiring box and cables (See Inca Pro Plus
instructions for more information)
C) Installation Screws for Mounting Plate
Dimensional diagram
MAKE SURE THAT THE DISCHARGE END OF THE REMOTE
BLOWER FACES AWAY FROM THE DIRECTION OF PREVAILING
WINDS.
WARNING
!
You can be killed or seriously injured if you don't follow
instructions.
Excessive Weight Hazard
Use two or more people to move and install remote
blower.
Failure to do so can result in back or other injury.
Begin the installation
1. Discard any cardboard packaging from the blower wheel.
2. Remove wiring box cover and screws.
3. Attach an appropriate U.L./CSA-listed strain relief in the
knockout.
Note: For most installations, it is recommended that the strain relief
be installed so that it can be tightened from inside the remote blower
housing.
4. Reattach the wiring box cover loosely. It will be removed again
later.
A
C
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