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.
The remote blower carton contains a duct collar plate.
•The duct collar plate attaches to the front of downdraft duct system plenums so that the 10" (25.4 cm) round duct can be attached to the downdraft duct system.
Make sure that there is enough space for any vent transitions that may be needed between the remote blower and the connecting vent system. For optimum performance, locate any necessary vent transitions nearest to the rangehood or downdraft that will be used with this power system. This remote blower requires a separate U.L./CSA approved wiring cable that
should be installed at the same time the vent system is being installed.
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.
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.
Begin the installation
1.Discard any cardboard packaging from the blower wheel.
2.Remove wiring box cover and screws.
3.Attach an appropriate
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.
Follow the instructions on the next page for your type of installation
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