# Hood Exhaust - Frigidaire MMV150KBA Installation Instructions Manual

Over the range microwave oven

Installation
Instructions
HOOD EXHAUST
NOTE:
next two pages
only if you plan to vent your exhaust
to the
outside.
If you plan to recircnlate
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
[]
Roof Cap
12 Ft,(3,6m)Straight Duct
(6'715,2cm Round)
EQUIVALENT
NUMBER
EQUIVALENT
LENGTH
x
USED
=
LENGTH
Rectangular-to-Round
24 Ft,(7,3m)
x
(1)
12 Ft,(3,6m)
x
(1)
[]
5 Ft, (1,5m)
x
Equivalent l engthsof duct piecesare basedon actualtests and
reflect requirements for goodventingperformance with anyvent hood,
(1)
24 Ft,(7,3m)
12 Ft,(3,6m)
5 Ft, (1,5m)
Total Length
=
41 Ft. (12.5 m)
* IMPORTANT:
If a rectangular-to-round
transition
is used,
the
bottom
corners
of the
damper
will have
to be cut
to fit, using
the
tin
snips,
ira order
to allow
fi'ee
movement
of the
damper'.
OUTSIDE
BACK EXHAUST
(EXAMPLE
ONLY)
The
following
chart
describes
an
example
of one
possible
ductwork installation.
EQUIVALENT
DUCT PIECES
LENGTH*
x
_[_
Cap
(12,2m)
x
Wall
40 Ft,
3 Ft,Straight Duct
3 Ft,(0,9m)
x
(31/g' x 10'78,2x 25,4cm
_-
Rectangular)
90° Elbow
10 Ft, (3 m)
x
NUMBER
USED
(1)
(1)
=
(2)
=
EQUIVALENT
LENGTH
40 Ft, (12,2m)
3 Ft,(0,9m)
20 Ft, (3 m)
Equivalent l engthsof duct piecesare basedon actual tests and
reflect requirements for goodventing performance with anyvent hood,
Total Length
=
63 Ft. (19.2 m)
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.
10

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