GE PVM1790 Instrucciones De Instalación página 4

Installation Instructions
HOOD EXHAUST
NOTE: Reed these next two pages only if you plan to vent your exhaust to the outside.
If you plan to recirculate the air back into the room, proceed to page 6.
OUTSIDE TOP EXHAUST (EXAMPLE ONLY)
The following chart describes an example of one possible
ductwork installation.
_Roof Cap
12 Ft.Straight Duct
(6" Round)
Rectangular-to-Round
TransitionAdaptod
EQUIVALENT NUMBER EQUIVALENT
LENGTH x USED = LENGTH
24 Ft.
12 Ft.
5 Ft. x (1)
Equivalent l engthsof duct piecesare basedon actualtests and
reflect requirements for goodventing performance with anyvent hood.
Total Length =
24 Ft.
12 Ft.
5 Ft.
41 Ft.
*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.
OUTSIDE BACK EXHAUST (EXAMPLE ONLY)
The following chart describes an example of one possible
ductwork installation.
E
DUCT PIECES
Wall Cap
Ft.Straight Duct
3W' x 10" Rectangular)
90° Elbow
EQUIVALENT NUMBER EQUIVALENT
LENGTH _ x USED = LENGTH
40 Ft. x (1)
3 Ft. x (1)
10 Ft. x (2)
Equivalent l engthsof duct piecesare basedon actual tests and
reflect requirements for goodventing performance with anyvent hood.
Total Length =
40 Ft.
3 Ft.
20 Ft.
63 Ft.
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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