Venting requirements, Now start, Warning – Whirlpool RH2000 User Manual
Page 3: Numbers correspond to steps
Vent system needed for installation is not
included. Backdraft damper supplied with
product must be used. If roof or wall cap
has a damper, do not use damper supplied
with hood. Use metal vent only. Rigid metal
vent is recommended.
Venting requirements
Venting system must terminate to the
outside.
Do not terminate the vent in an attic or
other enclosed space.
Do not use four-inch laundry-type wall caps.
Do not use plastic vent.
centerline
This range hood can be vented to the
outside ONLY.
Determine which outside venting method
needs to be used.
The length of the vent system and number
of elbows should be kept to a minimum to
provide efficient performance. The size of
the vent system should be uniform. Do Not
install two elbows together. Use duct tape
to seal all joints in vent system. Vent system
can terminate either through the roof or
wall. Use caulking to seal exterior wall or
roof opening around exhaust hood. For the
most efficient and quiet operation, it is
recommended that the range be vented
vertically through the roof through 7" round
vent system.
Figures 1-2 show common venting methods
and what types of materials are needed.
7" round
through the
roof
roof cap
damper located
as far from hood
as possible
7" min. diameter
round vent
elbow
wall cap
Recommended vent system length
Maximum length of vent system is 26 feet.
For best performance, use no more than
three 90˚ elbows. To calculate the length of
system you need, add the equivalent feet
for each vent system piece used in the
system. See the following example.
roof cap
7" vent system
90° elbows
wall cap
3-1/4" x 10"
to 7"
transition
Maximum length
= 26 feet
1 — transition
= 4.5 ft.
2 — 90° elbows
= 10 ft.
8 feet straight
= 8 ft.
1 — wall cap
= 0 ft.
Length of 7" system = 22.5 ft.
Recommended standard fittings
Panel B
Now start...
With range hood in kitchen.
Slide cardboard or hardboard under range
before moving range across floor to
prevent damaging floor covering.
Cover countertop, cooktop or set-in range
with a thick, protective covering to prevent
damaging countertop.
1.
terminal
box
cover
5.
Lift the range hood into final
position and center. Mark on the
underside of cabinet the location of the
four keyhole mounting slots. Set range hood
aside on a protected surface.
To wire through top, mark a line 7-1/2" from
the right of the centerline on the underside
of the cabinet. Mark the point on this line
that is 2" from back wall. Drill a 1-1/4"
diameter hole through the cabinet at this
point. Note: If a cord-connection kit is used,
drill a 1-5/8" diameter hole.
To wire through rear, mark a line 7-1/2" from
the right of the centerline on the wall. Mark
the point on this line that is 65-1/4" from the
floor (or 3/4" from underside of cabinet). Drill
a 1-1/4" diameter hole through wall at this
point.
66"
6 ft.
2 ft.
keyhole slot
front of hood
Numbers
correspond
to steps.
Vertical Roof Venting
Figure 1
3-1/4" x 10" to
7" = 4.5 ft.
90° elbow =
5 ft.
45° elbow =
2.5 ft.
3-1/4" x 10" to 7"
90° elbow = 5 ft.
7" to 3-1/4" x 10"
90° elbow = 9 ft.
wiring
knockouts
7" wall cap
= 0 ft.
7" to 3-1/4"
x 10" = 1 ft.
Figure 2
Disconnect and move freestanding
range from cabinet opening to
provide easier access to upper cabinet and
rear wall. Put a thick, protective covering
over cooktop, set-in range or countertop to
protect from damage or dirt.
2.
Determine which venting method
(roof or wall venting) you need to
use.
3.
Remove knockout from the wiring opening
(top or rear) to be used.
4.
If your model does NOT have a factory
installed power cord, remove terminal
box cover from range hood.
6.
Determine and clearly mark a vertical
centerline on the wall and cabinet in the
area the vent opening will be made.
3.
4.
14.
5. 12. 13.
5.
12.
13.
7-1/2"
centerline
2"
(from wall)
7-1/2"
centerline
3/4"
65-1/4"
(to floor)
Excessive Weight Hazard
Use two or more people to move and
install range hood.
Failure to follow this instruction can
result in back or other injury.
WARNING