KitchenAid KPEU722M Instructions d'installation et manuel d'utilisation et d'entretien - Page 2
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C.
The blower motor must be
connected to the vent system wiring as
described in the vent system
instructions for connecting the exterior
blower motor wiring. Flexible armored
or nonmetallic cable must be used. A
1/2" (12.7 cm) U.L./CSA-listed strain
relief must be provided at each end of
the power supply cable.
Wire sizes must conform to the
requirements of the National Electrical
Code ANSI/NFPA 70 — latest edition*
or Canadian Electrical Code, C22.1
and C22.2 No. 113-M1984 (or latest
edition),** and all local codes and
ordinances. 14 gauge wire (minimum)
is recommended.
WARNING — TO REDUCE THE
RISK OF FIRE, ELECTRIC SHOCK,
OR INJURY TO PERSONS,
OBSERVE THE FOLLOWING:
Installation work and electrical
wiring must be done by qualified
person(s) in accordance with all
applicable Codes and Standards,
including Fire Rated Construction.
Sufficient air is needed for proper
combustion and exhausting of
gases through the flue (chimney)
of fuel burning equipment to
prevent back drafting. Follow the
heating equipment
manufacturer's guideline and
safety standards such as those
published by the National Fire
Protection Association (NFPA),
and the American Society of
Heating Refrigeration and Air
Conditioning Engineers
(ASHRAE), and the local code
authorities.
When cutting or drilling into wall
or ceiling, do not damage
electrical wiring and other hidden
utilities.
Ducted fans must always be
vented to the outdoors.
WARNING — To reduce the risk of
fire, use only metal ductwork.
This unit must be grounded.
Install this side of the fan facing an
unoccupied space.
Page 2
Venting
requirements
Determine which venting method is best
for your application. Vent system can
extend either through the wall or the
roof.
Locate the exterior blower so that the
length of the vent system and the
number of elbows is kept to a minimum
to provide efficient performance. Where
possible, exterior blower should be
centered between wall studs or roof
rafters. The size of the vent system
should be uniform. Do not install two
elbows together. Use duct tape to seal
all joints in the vent system. Use
caulking to seal exterior wall or floor
opening around the cap.
Flexible vent is not recommended. It
creates back pressure/air turbulence
and greatly reduces performance.
Make sure there is proper clearance
within the wall or ceiling for exhaust vent
before making cutouts. Avoid pipes,
wires, or other vent 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 exterior blower carton contains a
black plastic vent collar.
• The black plastic vent collar attaches
to the exterior blower using four
screws provided. The 10" (25.4 cm)
round vent system attaches to this
collar.
Make sure that there is enough space
for any vent transitions that may be
needed between the exterior blower and
the connecting vent system.
For optimum performance, locate any
necessary vent transitions nearest to
the vent system that will be used with
this power system.
This exterior blower requires a separate
U.L./CSA approved wiring cable that
should be installed at the same time the
vent system is being installed.
Maximum length of
vent system
Vent
10" (25.4 cm) round
55 ft. (16.8 m)
Vent length is given as a general
reference only. For a longer vent run, or
smaller vent system, contact a qualified
and trained vent installer. Check with local
codes for makeup air requirements, if any.
It is recommended that you use round
vent instead of rectangular vent,
especially if elbows are required. If
rectangular vent is required, if should be
transitioned to 10" (25.4 cm) round vent
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 (61 cm) of
straight vent between any two elbows.
Do not install two elbows together.
Determine the length of
vent system you need
To calculate the length of system you
need, add the equivalent feet (meters)
from chart below for each vent piece
that will be needed.
Recommended standard
10" (25.4 cm) fittings
1 ft. round =
90° elbow =
1 ft. (0.3 m)
5 ft. (1.5 m)
Copies of standards listed may be
obtained from:
* National Fire Protection Association
One Batterymarch Park
Quincy, Massachusetts 02269
** CSA International
8501 East Pleasant Valley Road
Cleveland, Ohio 44131-5575
Length
45° elbow =
2.5 ft. (0.8 m)