®
Electric Built-in Ceramic Downdraft Cooktop
PRODUCT MODEL NUMBERS
OVERALL DIMENSIONS
KECD806R
KECD866R
30-3/8" (77.1 cm) - 30" (76.2 cm) models
36-3/8" (92.3 cm) - 36" (91.4 cm) models
width
21-5/16"
(54.1 cm)
depth
Electrical: A four-wire or three-wire, single-
phase, 240-volt, 60-Hz, AC-only electrical supply is
required on a separate 30-ampere circuit, fused on
both sides of the line. A time-delay fuse or circuit
breaker is recommended. Connected directly to the
fused disconnect (or circuit breaker box) through
flexible, armored or non-metallic sheathed, copper
cable (with ground wire). Flexible armored cable
should connect cooktop directly to the junction
box. A U.L.-listed 1/2" (12.7 mm) conduit
2-15/16"
(74.6 mm)
burner box
depth
15-5/8" (39.6 cm)
blower housing
depth
connector must be provided at the junction box.
The recommended minimum copper wire size is
10-gauge. However, wire sizes and connections
must conform to the requirements of the National
Electrical Code and all local codes and ordinances.
Venting system: Use metal vent only.
Exception: Under a concrete slab, PVC may be
used. Rigid metal vent is recommended. Do not
use plastic or metal foil vent.
3-ft. (91.4 cm) long
power supply cable
factory installed.
CABINET OPENING DIMENSIONS
Minimum base cabinet
dimensions —
30" (76.2 cm) base cabinet width
24" (61 cm) base cabinet depth
25" (63.5 cm) countertop depth
30" (76.2 cm) min - 30" (76.2 cm) model
36" (91.4 cm) min - 36" (91.4 cm) model
when higher than 18" (45.7 cm)
This downdraft cooktop is rated at 60 feet
(18.3 m) of straight vent or the equivalent.
If vent length is 10 feet (3 m) or less, 6" (15.2 cm)
diameter round vent may be used. If vent length is
more than 10 feet (3 m), use 6" (15.2 cm)
diameter round or 3-1/4" x 10" (8.3 x 25.4 cm)
rectangular vent.
Countertop opening dimensions that
are shown must be used. Given
dimensions are minimum clearances
and provide required 0" (0 cm)
clearance.
New installations — Follow
minimum dimensions given.
Replacement installation — Be sure
that front edge of cooktop is at least
1-1/2" (38.1 mm) back from front
edge of countertop.
If cabinet has drawers, drawers will
need to be removed and drawer
fronts installed on front of cabinet.
See Note ** for
minimum clearances
Venting system must terminate to the outside.
21" (53.3 cm)
opening depth
Minimum distance
Do Not seal
cooktop to countertop.
to nearest combustible
vertical surface
Cooktop location should be away from strong draft
areas, such as windows, doors and strong heating
vents or fans.
All openings in the wall or floor where cooktop is
to be installed must be sealed.
extending 18" (45.7 cm)
above cooktop
1" (25.4 mm)
29-1/2" (74.9 cm) - 30" (76.2 cm) model
35-1/2" (90.2 cm) - 36" (91.4 cm) model
cutout width
Side clearance — 6" (15.2 cm)
minimum clearance between side of
cooktop and side wall is
recommended for maximum
ventilation performance.
Note: 24" (61 cm) minimum when bottom of wood or metal
cabinet is protected by not less than 1/4" (6.4 mm) flame
retardant millboard covered with not less than No. 28 MSG sheet
steel, 0.015" (0.4 mm) stainless steel, 0.024" (0.6 mm) aluminum
or 0.020" (0.5 mm) copper.
**
Rear clearance — 3/4" (19.1 mm)
clearance between rear edge of
cooktop and rear wall is
recommended.
30" (76.2 cm) minimum clearance between the top of the cooking
platform and bottom of unprotected wood or sheet metal.
Motor/blower clearance —
2" (51 mm) minimum clearance
between motor and cabinet is
required for proper cooling. 6"
(15.2 cm) clearance is
29-1/2" (74.9 cm) - 30" (76.2 cm) model
35-1/2" (90.2 cm) - 36" (91.4 cm) model
cutout width
9-3/4" (24.8 cm)
Exhaust Duct
Cutout Locations
hole in rear or
17"
(43.2 cm)
side of cabinet
21" (53.3 cm)
cutout depth
recommended for servicing access.
countertop
9-5/8" (24.4 cm) -
30" (76.2 cm) cooktop
5" (12.7 cm)
13-5/16" (33.8 cm) -
36" (91.4 cm) cooktop
2" (5.1 cm)
minimum space
to front edge of
countertop
18"
(45.7 cm)
Countertop must be
Select required duct cutout
(see Page 4 for exhaust duct
cutout location).
supported within
3" (7.6 cm) of cutout.
floor
8" (20.3 cm)
11" (27.9 cm)
Install rear wall junction box in shaded area.
Darker area is preferred.
Because Whirlpool Corporation policy includes a continuous commitment to improve
our products, we reserve the right to change materials and specifications without notice.
Dimensions are for planning purposes only. For complete details, see Installation
Instructions packed with product. Specifications subject to change without notice.
Ref. 8286553
08-11-05
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