Ge JNM3161DFBB User Manual download pdf (Page 5)

Installation Instructions

HOOD EXHAUST

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EQUIVALENT NUMBER EQUIVALENT

DUCT PIECES LENGTH x USED = LENGTH

Roof Cap 24 Ft. x (1) = 24 Ft.

12 Ft. Straight Duct 12 Ft. x (1) = 12 Ft.

(6s Round)

Rectangular-to-Round 5 Ft. x (1) = 5 Ft.

Transition Adaptor*

Equivalent lengths of duct pieces are based on actual tests and

reflect requirements for good venting performance with any vent hood.

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* IMPORTANT: If a rectangular-to-round transition adaptor is used, the bottom corners of the damper will

have to be cut to fit, using the tin snips, in order to allow free movement of the damper.

The following chart describes an example of one possible

ductwork installation.

The following chart describes an example of one possible

ductwork installation.

NOTE: For back exhaust, care should be taken to align exhaust with space between studs, or wall should be prepared

at the time it is constructed by leaving enough space between the wall studs to accommodate exhaust.

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EQUIVALENT NUMBER EQUIVALENT

DUCT PIECES LENGTH* x USED = LENGTH

Wall Cap 40 Ft. x (1) = 40 Ft.

3 Ft. Straight Duct 3 Ft. x (1) = 3 Ft.

ø4s x 10s Rectangular)

90° Elbow 10 Ft. x (2) = 20 Ft.

Equivalent lengths of duct pieces are based on actual tests and

reflect requirements for good venting performance with any vent hood.

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Ge JNM3161DFBB User Manual Page 5