
THIS
INTAK
NEVE
SAFE
WATT
SUIT
Ste
Pla
cent
posi
the
Ste
Wh
cent
insi
hole
follo
Ste
Dra
the
the
in S
the
OOF-MOUNT
S ARE LOC
FROM ROO
ND EFFICIE
.
BLE FOR IN
1
e unit on t
er of the ro
ioned so th
ouse.
2
n this positi
erline direct
e the roof,
will be use
ing operat
3
a referenc
oof using
ole drilled
ep 2 as
enter.
ED UNIT IS D
TED AROUN
OR RIDGE
T OPERATIO
TALLATION
p of shingle
f and close
unit is onl
n is establi
ly between
rill a hole t
as a refer
ons.
e square 2
INS
SIGNED FO
THE EAVES
ENTS. AT LE
N. THE MOT
ON ROOFS
, approxim
to the ridge
visible on
shed, locat
wo rafters
rough the r
nce point f
3/8-in x 25
ALLATI
ATTICS OF
ALTERNATI
AST 400 SQ-I
R OPERATE
P TO 8/12 PI
tely in the
ine, but
ne side of
a
nd, from
of. This
r the
3/8-in on
N INST
VERAGE SI
ELY, AIR IN
NET FREE
ON 18 V.D.
CH*
Ste
Wit
rem
dra
Ste
Ne
circl
in S
dec
Ste
Slid
(so
Pos
Ste
UCTIO
E AND OPER
AKE MAY BE
IR INTAKE V
. CURRENT
4
in the squa
ove shingle
n.
5
t draw a 14
e on the de
tep 2 as a c
ing, using
6
the flange
e roofing n
ition the uni
3) to align
S
TES MOST
FROM OPPO
ENT AREA IS
ND THE SO
re, draw a 1
, nails, and
1/2 -in dia
king. Be s
enter of this
he 14 ½-in
of the unit
ails may ne
on the ref
the exhaus
FFICIENTLY
SING GABLE
REQUIRED,
AR PANEL IS
7-in diamet
felt from th
ete
circle i
re to use t
circle. Cut
ircle as the
p under th
d to be re
rence squa
opening.
HEN AIR
ENTS, BUT
ER UNIT, FO
RATED AT 1
r circle an
circle just
side the 17
e hole drill
through the
cut line.
shingles
oved).
e (drawn in
.6
-in
d
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