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IMPORTANT: Observe all governing codes and ordinances.
Save Installation Instructions for electrical inspector's use.
It is the customer's responsibility to contact a qualified electrical
installer, and to ensure that the electrical installation is adequate
and in conformance with National Electrical Code, ANSI/NFPA 70
(latest edition), or CSA Standards C22.1-94, Canadian Electrical
Code, Part 1 and C22.2 No. 0-M91 (latest edition) and all local
codes and ordinances.
If codes permit and a separate ground wire is used, it is
recommended that a qualified electrician determine that the
ground path is adequate.
A copy of the above code standards can be obtained from:
National Fire Protection Association
One Batterymarch Park, Quincy, MA 02269
CSA International
8501 East Pleasant Valley Road
Cleveland, OH 44131-5575
This fan is suitable for use with solid state speed controls.
A 120 Volt, 60 Hz., AC only 15-amp fused, electrical circuit is
required.
Check with a qualified electrician if you are not sure the
downdraft vent is properly grounded.
IMPORTANT: Make sure there is proper clearance within the wall
or floor before making exhaust vent cutouts.
Use heavy (rigid) metal vent.
Venting system must terminate to the outside.
Do not terminate the vent system in an attic or other enclosed
area.
Do not use 4" (10.2 cm) laundry-type wall caps.
Do not install 2 elbows together.
Do not use plastic or metal foil vent.
The length of vent system and number of elbows should be
kept to a minimum to provide efficient performance.
Use no more than three 90° elbows
Electrical Requirements
The downdraft vent must be connected with copper wire
only.
The downdraft vent should be connected directly to the
circuit breaker (or fused disconnect) box through flexible
armored or nonmetallic sheathed copper cable. Allow some
slack in the cable so the downdraft vent can be moved if
servicing is ever necessary.
Wire sizes (copper wire only) and connections must conform
with the rating of the appliance as specified on the model/
serial rating plate located on the front of the downdraft vent
above the wiring box cover.
Wire sizes must conform to the requirements of the National
Electrical Code, ANSI/NFPA 70 (latest edition), or CSA
Standards C22.1-94, Canadian Electrical Code, Part 1 and
C22.2 No. 0-M91 (latest edition) and all local codes and
ordinances.
Two UL listed or CSA approved ½" (12.7 mm) conduit
connectors.
A wiring diagram is located on the downdraft vent base
above the power control board cover.
Venting Requirements
Make sure there is a minimum of 24" (61 cm) of straight vent
between the elbows if more than one elbow is used.
Use clamps to seal all joints in the vent system.
Use caulking tape to seal the exterior wall or floor opening
around cap.
Do not cut joist or stud. If vent cutout falls over a joist or stud,
a supporting frame must be constructed.
Flexible metal vent is not recommended. If it is used, calculate
each foot of flexible vent as 2 ft (0.6 m) of rigid metal vent.
Flexible elbows count twice as much as standard elbows.
Recommended vent system length:
For either interior-mounted or exterior-mounted blower
installations, the vent system length should not exceed the
maximum lengths listed in the Maximum Length of Vent System
chart. See "Calculating Vent System Length" in the "Venting
Methods - Interior Mounted Vent Motor Only" section.
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