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9
17. Connect vent system to
blower. Vent system must end with
a wall or roof cap. Use duct tape to
seal all joints.
18. Install cooktop according
to manufacturer’s instructions.
Check that rear of cooktop overlaps
edge of retractable downdraft vent
by 3/8" (9.5 mm).
To get the most efficient use
from your new retractable
downdraft vent, read the Use
and Care Information section
on page 12.
Keep Installation Instructions
and Use and Care
Information close by for
easy reference.
Island location
Built-in cabinet location
Roof venting
KIRD and YKIRD
MODELS ONLY
NOTE: Exterior-mounted vent
motor installations require exterior
blower system, Model No.
KPEC992M [900 cfm (25.5 m
3
/m)],
available from your dealer or
authorized parts supplier.
IMPORTANT: Exterior blower
Model No. KPEU722M [1200 cfm
(34.0 m
3
/3)] cannot be used with
this retractable downdraft vent
system.
10" (25.4 cm)
round vent
Maximum length of vent
system
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.
It is recommended that you use
round vent instead of rectangular
vent, especially if elbows are
required. If rectangular vent is
required, it should be transitioned
to 10" (25.4 cm) round vent as
soon as possible.
Determining the length of system
you need:
To calculate the length of system
you need, add the equivalent feet
for each duct piece that will be
needed. See example for 10"
(25.4 cm) round vent system.
NOTE: The exterior-mounted vent
motor requires a separate wiring
cable that should be installed at
the same time the vent work is
installed.
10" (25.4 cm) round
vent system
2 - 90 elbows = 10 ft. (3.05 m)
10 ft. (3 m) straight = 10 ft. (3.05 m)
Length of 10"
(25.4 cm) system = 20 ft. (6.1 m)
Maximum length = 40 ft. (12.2 m)
left vent
right vent
Installation requirements
Exterior-mounted vent motor
Vent Length
10" (25.4 cm) round 40 ft. (12.2 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.
16. Turn the control knob on
side of vent to check the
operation and speed of blower.
If blower does not operate:
• Check that filter or filters are
pressed in as far as they will go.
• Check that circuit breaker is not
tripped or house fuse blown.
• Disconnect power. Check that
wire connections have been
made correctly.
• Reconnect power.
Built-in cabinet location
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