GE PVM1790 Instrucciones De Instalación página 4

Installation Instructions
HOOD EXHAUST
NOTE:Read these next two pages only if you plan to vent your exhaust to the outside.
If you plan to redrculate 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.
DUCT PIECES
D
Roof Cap
!2 Ft. Straight Duct
(6" Round)
Rectangular-to-Round
Transition Adaptor*
EQUIVALENT NUMBER EQUIVALENT
LENGTH x USED = LENGTH
24 Ft. x (!)
12 Ft. x (!)
5 Ft. x (!)
Equivalent lengths of duct pieces are based on actual tests and
reflect requirements for good venting performance with any vent 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.
EQUIVALENT NUMBER EQUIVALENT
DUCT PIECES LENGTH* × USED -- LENGTH
_ Wall Cap 40 Ft. x (!) = 40 Ft.
3 Ft. Straight Duct 3 Ft. x (!) = 3 Ft.
3¼" x i0" Rectangular)
_ 90° Elbow i0 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.
Total Length = 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.
4