Hotpoint RVM1535MM1SA Installation Insrtuctions page 5

Installation Instructions
NOTE: If you need to install ducts, note that the total
duct length of 3V{' x 10" rectangular or 6" diameter
round duct should not exceed 140 equivalent feet.
Outside ventilation requires a HOOD EXHAUST DUCT.
Read the following carefiflly.
NOTE: It is important that venting be installed using
the most direct route and with as tew elbows as possible.
This ensures clear venting of exhaust and helps prevent
blockages, Also, make sure dmnpers swing freely and
nothing is blocking the ducts.
Exhaust connection:
The hood exhaust has been designed to mate with
a standard 3V{' x 10" rectangular duct.
If a round duct is required, a rectangula_to-round
transition adaptor m list be used. Do not use less than
a 6" diameter duct.
Maximum duct length:
For s;Kisfhctorv air movement, the total duct length of
3¼" x l 0" rectangular or 6" diameter round duct should
not exceed 140 equivalent feet.
Elbows, transitions, wall and roof caps,
etc.,
present additional resistance to airflow and are
equi\_dent to a section of straight duct which is longer
than their actual physical size. When calculating the total
duct length, add the equi\:dent lengths of all transitions
and adaptors plus the length of all straight duct sections.
The chart below shows you how to calculate total
equi\_dent ductwork length using the approximate feet
of equivalent length of some typical ducts.
EQUIVALENT NUMBER EQUIVALENT
DUCT PIECES LENGTH x USED = LENGTH
Rectangular-to-Round 5 Ft. x ( ) = Ft.
Transition Adaptor*
Wall Cap 40 Ft. x ( ) = Ft.
C)_ 90° Elbow 10 Ft. x ( ) = Ft.
l@ 45° Elbow 5 Ft. x ( ) = Ft.
90° Elbow 25 Ft. x ( ) = Ft.
45° Elbow 5 Ft. x ( ) = Ft.
Roof Cap 24 Ft. x ( ) = Ft.
Straight Duct 6" Round or 1 Ft. x
(
) = Ft.
3W' x 10" Rectangular
Total Ductwork = Ft.
* IMPORTANT: If a r( ( tangulal_to-round transilion Equival( nl I( ngths o[ du(t piec( s are |)as( d on aclual lests
adaptor is us(d, th( bottom corners of th( (lamp( 1 and rel]( (t re(ltfir( m( nls for good v( riling performan(( x_ith
_ill have to b( cm to fit, using th( lin snips, in ord(l any vent hood.
to allm_ free lllOVelllelll of Ihe
dHlllpel,
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