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INSTALLATION PLANNING • MODELS RMDD3004EX, RMDD3604EX, RMDD4804EX
DIMENSIONS
NOTE: Dimensions shown are for reference only. Before cutting out
countertop, refer to instructions packed with downdraft and cooktop.
ELECTRICAL
The unit has an 18-in. power cord with a 3-pronged plug. Plan to
provide a grounded outlet within reach of this cord.
DOWNDRAFT
TYPICAL INSTALLATION
COOK TOP
CHIMNEY TOP
COUNTER
TOP
GEAR
MOTOR
COVER
BLOWER
BOX
3-1/4" X 14"
DUCT CONNECTOR
AIR
VENT
120 VAC
GOUNDED
OUTLET
CABINET
FRONT
DUCTWORK
This downdraft blower system is designed for use with 3¼" x 14"
rectangular ductwork (can be transitioned to 8" or 10" round). The
blower discharge can be positioned in one of 3 directions with
7½" movement side to side.
Refer to the cooktop installation instructions for dimensions of
cooktop, countertop cut-out, and cabinet requirements. The
RMDD3004EX can be installed in most standard 30" wide cabi-
nets, (RMDD3604EX can be installed in most standard 36" wide
cabinets), (RMDD4804EX can be installed in most standard 48"
wide cabinets).
Cooktop depth can vary greatly from one to another. This may
cause the fit of these two appliances to be rather tight.
Pay special attention to the 4 areas of potential interference
highlighted above. A countertop with (A) a raised lip and/or (B)
a backsplash, may not allow enough flat countertop for a proper
installation. The back of the downdraft cut-out will be 1¾" from
the cooktop and 2" of FLAT countertop is needed behind cooktop.
FRONT TO BACK
INSIDE CABINET DEPTH
DOWNDRAFT
B
A
COUNTER TOP
2"
1 3/4 "
COOKTOP
The system will operate most efficiently when the ductwork does
not exceed 40 feet of equivalent duct. The chart above, shows
equivalent feet of elbows and transitions. The number of feet of
straight 3¼" x 14" or 8" duct plus the equivalent feet of elbows or
transitions to be used should equal 40 feet or less.
The equivalent feet of various roof and wall caps has been taken
into consideration. Do not include them in this calculation.
3¼" x 14" TO
8" RD.
TRANSITION
5 FT.
3¼" X 14"
90
o
ELBOW
19 FT.
8" RD.
ELBOW
11 FT.
RIGHT
DISCHARGE
LEFT
DISCHARGE
DOWN
DISCHARGE
(as shipped)
*
*
*
Dimensioned from top
of countertop