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Specifications; Clearance To Combustibles; Installation And Safety Codes; General Furnace Location - Atwood 8516 Technical Lnstallation Manual

8500-lv series
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Table of Contents
Models
8516-lv
8520-lv
8525-lv
8531-lV
8s35-lV
8516-LD
8520-
LD
8s25-
LD
8531-
LD
8535-
LD
BTU lnout
16,000
20.000
25,000
30,000
34,000
Duct Static
Pressure
20'wc
.10"
WC
.10"
WC
.10"
WC
.10"
WC
Amperage
(AMPS)
4.6
4.6
7.6
7.6
9.8
Watts
55
55
91
91
118
Power Supply
(Volt
DC)
12
12
12
12
12
Recommended
Return
Air
80
in2
80
in2
80
in2
80
in2
80
in2
Minimum
Return
Air
65
in2
65
in2
65
in2
65
in2
65
in2
SPECIFICATIONS
MODELS
(wc
DIMENSIONS
WEIGHT
Standard
2-Staqe
Furnace
30 lbs
31 lbs
Boxed
32 lbs
33 lbs
MINIMUM
CLEARANCE TO COMBUSTIBLES:
ii;o;b;;rds.
walls
& similar combustible buildino materials must be
prwiOeO tne
full
length and width of unit'
Soacinq
of
1/4"
to ducting within
3
ieet
of
furnace
must be
provided
.
J[[.i
LL ri.t.d
wire
boLind
vinyl
ducts
are
used
All ducting material
,..Jt
O" rated
ior
continuous use at minimum of
200"F'
.
Clearances are specilically
for
plywood or similar building materials
sriiornOing
the
furnace
(i.e. Furnace should not be located under
furniture
oiin
a
closet space where clothing or other material could
be located).
.
Furnace
"ifi.i.n.y
rating is
a
thermal
rating determined under
continuous
operaiing
co-nditions,
independent of any installation.
Etti.i.n.v
rate ls
giv-en
at 77% minimum; actual
elficiency
rating
may be higher.
.
Reiurn
airls
supplied through openings in furnace casing.
All
return
"ii
p".*g". ,Lit
o"
kept
cleai
for furnace to function
properly'
n"t",
to
frini.r,
clearance to floorboards,
walls
&
similar
combustible building material' The
total
unobstructed return air
opening size(s)
muit
not be less than specified in specification
-
minimum return air. Failure
to
meet minimum return alr
requirements
nullif
ies
f
urnace warranty.
When
frrnuces
are installed
to
minimum clearances, an additional
t
6
in'
of return air must be provided
to
blower side of
furnace'
or
a
2i
ciearance the
full
length and height on blower slide must be
maintained.
INSTALLATION
AND
SAFETY
CODES
USA and Canada
-
follow all applicable state
and
local codes
-
in the
absence of local codes
or
reguiations, refer to current standards
o1:
.
Recreation Vehicles ANSI
A1
19.2/NFPA 501C
.
National Fuel Gas Code
ANSI 2223'1
andlor CAN/CGA B149
lnstallation Codes
Federal Mobile Home Construction & Safety
Standard'
fille
24
CFn,
patt 3280, or when this Standard
is
not
applicable'
the
Siunblio
ror.
Manufactured Home
lnstallations
(Manufactured Home
SiG.,
C".rr.ities
and
Set-ups),
ANSI
A255'1
and/or CAN/CSA-
Z24O
MH Series, Mobile Homes.
Ground National Electrical Code
ANSI/NFPA No'
70 and/or CSA
c22.1
Park Trailers
ANSI
119.5
UMN)
GENERAL FURNACE LOCATION
a
a
lnstall furnace
through
an exterior
wall'
DO NOT install
furnace
near
iilt-out
rooms,
slide-outs'
doors or
other projection that
could
obstruct
furnace
exhaust'
A
wannrnc
CARBON
MONOXIDE POISONING
.
Furnace
must
be
installed
and
vented
to
these
lnstructions.
.
lmproper installation, adjustment, alteration, service
or
maintenance can
cause
injury or property damage'
.
lmproper installation location
may cause
furnace
to
produce negative pressure, affecting combustion
air
or
venting of
other
aPPliances.
Models #
't522
2334
Low
Hiql'
Low
Hiqh
BTU lnput
15 000
22,000
23,000
34,000
Duct Static
Pressure
.10'w.c
.10"
w.c.
.10'w.c.
.10"
w.c.
Amperage
(AMPS)
4.8
10.2
6.5
13.2
Watts
58
122
ao
158
Power Supply
(Volt
DC)
12
12
12
12
Recommended
Return
Air
80
in2
80
in2
80
in2
B0
in2
Minimum
Return
Air
65
in2
65
in2
65
in2
65
in2
A
"*,r,"oL
'NSTALLATI.N
*ARN'NGS
a
a
a
DO NOT install furnace on material
that
restricts return
air, like carpet or any soft material such as vinyl'
DO NOT install furnace where clearance to
combustibles cannot be maintained.
DO NOT
modifY
furnace
in
anY
waY'
DO NOT alter furnace for a positive grounding
system'
DO NOT hi pot
furnace
unless electronic ignition system
(circuit
board)
has been disconnected'
bO
ruOr
use battery charger
to
supply power
to
DC
model furnace even when testing.
DO NOT
use
12O-volt
AC current
with
DC models'
DO NOT use furnace cabinet area as a storage
compartment
DO NOT vent furnace with venting system servlng
another appliance.
DO NOT vent furnace
to
an outside enclosed porch
area.
DO NOT use for temporary heating of buildings or
structures under construction.
Protect building materials from degrading from flue
gas
exhaust.
Protect
furnace
electrical components from
water'
a
a
a
a
Compartments must be closed when operating unit'
All
Models
widrh
Height
Depth
/lac
16-112"
7-318"
'18',
Door
19-114"
9-114
114"
Vent
LD
5-3/8"
Horizontal ToP and
Sides
1/2"
Rear
1
Bottom 3/16"
Vertical Top and
Sides
1/2"
Rear
1
Bottom 0" (slide plate end)

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