Best K3139 User Manual download pdf (Page 9)

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FIG. 7

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 NDK3139

• 5” diameter expandable / flexible aluminum duct.

• 1/16” diameter twist drill.

CAUTION: Do not use plastic or rigid metal ducting.

1. Discard discharge collar and damper

supplied with the hood. Install the 5” to 6”

adapter supplied with the Non-Ducted

Recirculation Kit. Fig. 7.

2. Measure the distance “A”.

3. Attach aluminum flexible duct to the 5”

adapter. Tape all joints with duct tape.

Fig. 7.

4. Assemble the recirculation plenum to the

flex-ducting. Fig. 7.

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

spaced holes through the duct and duct

connector of the recirculation plenum. Fig.

6. Secure duct to the plenum’s connector with (3) sheet metal screws (not

included). Tape all joints with duct tape. Fig. 7.

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Best K3139 User Manual Page 9