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Prepare the hood – Best K7788 User Manual

Page 12

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ELECTRICAL

SYSTEM

PLATE

FIG. 9

3.9x9.5mm

SCREWS

FIG. 8

PLENUM

(3) SCREWS

5” ALUMINUM

FLEX DUCT

5” 6” ADAPTER

BLOWER

COLLAR

PREPARE THE HOOD

NON - DUCTED CONFIGURATION

Note: The following materials must be purchased separately for non-ducted
recirculation installations.

Non - Ducted Recirculation Kit,
Model NDK7780

5” diameter expandable / flexible aluminum duct.

1/16” diameter twist drill.

CAUTION: Do not use plastic or rigid metal ducting.

1. Determine the length of the compressed flexible aluminium ducting using the
following formula:

34” MINUS PLUS =

Worksheet: 34” - __________ + __________ (for 9” ceiling only) = __________

2. Discard discharge collar and damper

supplied with the hood. Install the 5” to
6” adapter supplied with the Non-
Ducted Recirculation Kit. Fig. 8

3. Attach aluminum flexible duct to the 5”

adapter. Tape all joints with duct tape.
Fig. 8

4. Assemble the recirculation plenum to

the flexible duct. Fig. 8

5. Drill three (3) 1/16” diameter equally

spaced holes through the duct and
duct connector of the recirculation
plenum. Fig. 8

6. Secure duct to the plenum’s connector

with (3) sheet metal screws. Tape all
joints with duct tape. Fig. 8

7. Secure the electrical system plate to

the range hood with (3) mounting
screws. Fig. 9

Distance above cook
top. See page 10 for
mounting height
restrictions.

12” if ceiling height
is 9-feet

Compressed
length of
flexible
aluminium
ductwork