Hood Exhaust - GE JVM1490 Installation Instructions Manual

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 fbllowing chart describes an example of one possible
ductwork installation.
RoofCap
12 Ft.Straight Duct
(6" Round)
Rectangular-to-Round
TransitionAdaptor*
EQUIVALENT NUMBER EQUIVALENT
IDDCI PIECES = LENGTH x USED = J LENGTH
24 Ft. x (1) = 24 Ft.
12 Ft. x (1) = 12 Ft.
5 Ft. x (1) = 5 Ft.
Equivalent l engthsof duct piecesare basedon actualtests and
reflect requirements for goodventing performance with anyvent 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 flee movement of the damper.
OUTSIDE BACK EXHAUST (EXAMPLE
ONLY)
The following chart describes an example of one possible
ductwork installation.
13|lP.T PIFP.I:N
EQUIVALENT
I I::N_TM*
Wall Cap
3 Ft.Straight Duct
3W' x 10" Rectangular)
40 Ft.
3 Ft.
(1)
(1)
EQUIVALENT
I FN_TM
40 Ft.
3 Ft.
(_ go° Elbow 10 x (2) = 20
Ft. Ft.
Equivalent lengths of duct pieces are based on actual tests and
reflect requirements for good venting performance with any vent hood.
NOTE: For back exhaust, care should be taken to align exhaust with space bet_,veen studs, or wall should be prepared
at the time it is constructed by leaving enough space between the wall studs to accommodate exhaust.
4