Hood Exhaust - GE PVM1790 Installation Instructions Manual

Installation Instructions
HOOD EXHAUS
T
NOTE: Read 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.
ductwork installation.
OUTSIDE TOP EXHAUST (EXAMPLE ONLY)
The following chart describes an example of one possible
EQUIVALENT NUMBER EQUIVALENT
LENGTH USED = LENGTH
Roof Cap 24 Ft. (1) = 24 Ft.
12 Ft. Straight Duct 12 Ft. (1) = 12 Ft.
(6" Round)
Rectangular-to-Round 5 Ft. (1) = 5 Ft.
Transition Adaptor*
Equivalent lengths of duct pieces are based on actual tests and
reflect requirements for goad venting performance with any vent hood.
Total Length = 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.
ductwork installation.
OUTSIDE BACK EXHAUST (EXAMPLE ONLY)
The following chart describes an example of one possible
EQUIVALENT NUMBER EQUIVALENT
DUCT PIECES LENGTH* USED = LENGTH
T_) Wall Cap AQ Ft. (1) = AO Ft.
3 Ft. Straight Duct 3 Ft. (1) = 3 Ft.
(3'4" x 10" Rectangular)
90° Elbow 10 Ft. (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.
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