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Ld Vent Side Wall Cutout; Ld Vent Installation; Vertical Installation Caulking Areas; Ducting Options - Atwood 8516 Technical Lnstallation Manual

8500-lv series
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LD VENT SIDE
WALL
CUTOUT
c_r
C
a':
Figure
3
B
Side
Wall
Cutout
2-3t8"
1-1
12"
J-
llz
Diameter hole
*
Recommended wall thickness
0"
1o
2-112"
OOfrf
Ot
oversize hole
-
over sizing
can
result in
water
leakage'
LD VENT
INSTALLATION
VERTICAL INSTALLATION CAULKING
AREAS
I
,/
Figure
4
You Must Caulk-
all areas shown'
.
Around entire red gas inlet plug "C"'
.
Around entire black
stiJe
plateldges
were
it mates with
sheet
metal
D
A
B
t-
L
a
"8".
Alound
entire gas line where it enters gas inlet plug
"D"
ni..g
*"fJ.O
ioints
"A'
of two bottom corners of sheet metal casing
and
irere
door tlange covers slide
plate'
DUCTING OPTIONS
REQUIRED MINIMUM DISCHARGE
Models
8516,8520
8s25,
8s31
otretr
1522
2334
All
Models using toP or
bottom discharge oPtions
All
vertical
installations
Required Discharge Area
24
in'
36
in2
48
inz
36
in2
48
in2
48
in2
48
in2
--a-- i
A
B-
A
1.
2.
J.
4.
tr
6.
Locate
vent
hole cutout as called out
oiirii-rlz"
dlameter
hole through sidewall of coach'
Remove vent and
vent
ring from
furnace'
l;;;;iir;;;.lrom
backsi-de of
wall,
lining up hole in wall
with
hole
for
vent
in furnace.
ippty
seatant
to
back
of
vent
ring and vent cap base'
inllu'ir
u"nt
assembly
with
HOT
it
top
on horizontal installations and
iloT
".ligr,t;ide
for
vertical
installations
Vent
ring must slip
i.Jil"
."rinrittn
air intake
tube'
Secure to wall with
four
(4)
screws
not Provided.
ili,.i*."rrlUfy
must maintain minimum overlap
ot
1'114"
on exhaust
trne
unO
1/2" minimum on combustion
air
tube'
DO NOT exceed
maximum wall thickness.
$;;;;i;;;"
to floor with
two
(2)
screws' through
legs on back ol
J"ri.g.
f;t
vertical units use
veriical
mounting bracket and self-
i*oin"o
screws to hold furnace to
floor
(tabs on
control
box can
be
;t:Ji
i;
t..r,"
irtnu.").
For
Vertical
Kit
Pan
No
see parts list'
Prooer duct installation
is
critical to operation
of
furnace
When
i;r,!ili.;
,il.i;,'u*se
muter,iars
rated for
continuous
use at
200'F'
See minimum clearance to
floorboards' walls
& similar combustible
building materials.
Fach 4-inch duct openinq provides 12
in2
of discharge
area'
Provide
I"
"-tir'iz
i.'"oi
n[n-.rot'""ole
duct discharge area
ior
each
closeable register used
Use
ol
2" ducting does not count toward achleving
minimum
;.;;;g.lA;ir"ements.
Ducting into dead air
spacewith
no return
;i;,
;;.i;h;lding
tank areas,"do"s
not count toward achievins
minimum discharge requirements'
nJir.iJr.tlng
insltallation to obtain air rise of
100'F-130"F'
Figure
5

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