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FURNACE SIZE
N8MSN & N8MSL
0451408
0451412
0701408
0701412
0701716
0901714
0902116
0902120
1101712
1102116
1102122
1352116
1352422
1552420
A
CABINET WIDTH
IN (mm)
14-3/16
(360)
14-3/16
(360)
14-3/16
(360)
14-3/16
(360)
17-1/2
(445)
17-1/2
(445)
21 (533)
21 (533)
17-1/2
(445)
21 (533)
21 (533)
21 (533)
24-1/2
(622)
Table 1--Dimensions
- In. (mm)
OUTLET
WIDTH
IN (mm)
12-9/16
(319)
12-9/16
(319)
12-9/16
(319)
12-9/16
(319)
15-7/8
(403)
15-7/8
(403)
19-3/8
(492)
19-3/8
(492)
15-7/8
(403)
19-3/8
(492)
19-3/8
(492)
19-3/8
(492)
22-7/8
(581)
C
TOP AND
BOTTOM
FLUE COLLAR
IN (mm)
9-5/16
(237)
9-5/16
(237)
9-5/16
(237)
9-5/16
(237)
11-9/16
(294)
11-9/16
(294)
13-5/16
(338)
13-5/16
(338)
11-9/16
(294)
13-5/16
(338)
13-5/16
(338)
13-5/16
(338)
15-1/16
(383)
BOTTOM
WIDTH
IN (mm)
12-11/16
(322)
12-11/16
(322)
12-11/16
(322)
12-11/16
(322)
16
(406)
16
(406)
19-1/2
(495)
19-1/2
(495)
16
(406)
19-1/2
(495)
19-1/2
(495)
19-1/2
(495)
23
(584)
VENT
CONNECTION
SIZE*
IN (mm)
4 (102)
4 (102)
4 (102)
4 (102)
4 (102)
4 (102)
4 (102)
4 (102)
4 (102)
4 (102)
4 (102)
4 (102)*
4 (102)*
SHIP WT
LB (KG)
104 (47)
107 (49)
111(50)
115 (52)
126 (57)
127 (58)
140 (64)
146
(66)
135
(61)
146
(66)
152
(69)
149
(68)
163
(74)
24-1/2
(622)
22-7/8
(581)
"135 and 155 size furnaces
require a 5 or 6-in.
(127 or 152 ram) vent.
installation
requirements.
SAFETY
CONSIDERATIONS
FIRE,
EXPLOSION,
ELECTRICAL
SHOCK,
AND
CARBON MONOXIDE POISONING HAZARD
Failure to follow this warning could result in personal
injury, death, or property damage.
Improper installation, adjustment,
alteration,
service,
maintenance,
or use can cause
carbon
monoxide
poisoning,
explosion,
fire, electrical
shock, or other
conditions
which
may
cause
personal
injury
or
property damage. Consult a qualified service agency,
local gas supplier, or your distributor or branch for
information
or assistance.
The
qualified
service
agency must use only factory-authorized
and listed
kits or accessories when modifying this product.
FURNACE RELIABILITY
HAZARD
Failure
to follow
this
caution
may
result
in unit
component
damage.
Application
of this furnace should
be indoors with
special attention given to vent sizing and material,
gas input rate, air temperature
rise, unit leveling, and
unit sizing.
CUT HAZARD
Failure to follow this caution may result in personal
injury.
Sheet metal parts may have sharp edges or burrs.
Use care and wear appropriate
protective clothing,
safety glasses and gloves when handling parts, and
servicin,q furnaces.
Improper
installation,
adjustment,
alteration,
service,
maintenance,
or use can cause
explosion,
fire, electrical
15-1/16
(383)
23 (584)
4 (102)*
170 (77)
Use a vent adapter between furnace and vent stack. See Installation Instructions for complete
shock, or other conditions which may cause death, personal
injury, or property
damage.
Consult
a qualified
installer,
service agency, or your distributor or branch for information or
assistance.
The qualified
installer
or agency
must use
factory-authorized
kits or accessories
when modifying
this
product.
Refer to the individual instructions
packaged with
the kits or accessories when installing.
Follow all safety codes.
Wear safety glasses,
protective
clothing, and work gloves.
Have a fire extinguisher available.
Read these instructions
thoroughly and follow all warnings or
cautions include in literature and attached to the unit. Consult
local building codes, the current editions of the National Fuel
Gas Code (NFGC) NFPA 54/ANSI Z223.1 and the National
Electrical Code (NEC) NFPA 70.
Recognize safety information. This is the safety-alert
symbol
/_. When you see this symbol on the unit and in instructions
or manuals, be alert to the potential for personal injury.
Understand
the signal words
DANGER,
WARNING,
and
CAUTION.
These
words
are
used
with the safety-alert
symbol. DANGER
identifies the most serious hazards which
will result
in severe personal
injury or death. WARNING
signifies hazards
which
could
result in personal injury or
death. CAUTION is used to identify unsafe practices which
may result in minor personal injury or product and property
damage. NOTE is used to highlight suggestions
which will
result in enhanced installation, reliability, or operation.
1. Use only with type of gas approved
for this furnace.
Refer to the furnace rating plate.
2. Install this furnace only in a location and position as
specified in the "Location" section of these instructions.
3. Provide adequate combustion and ventilation air to the
furnace space as specified in "Air for Combustion and
Ventilation" section.
4. Combustion
products
must be discharged
outdoors.
Connect this furnace to an approved vent system only,
as specified
in the "Venting" section of these instruc-
tions.
5. Never test for gas leaks with an open flame. Use a
commercially available soap solution made specifically
for the detection of leaks to check all connections,
as
specified in the "Gas Piping" section.
6. Always install furnace to operate within the furnace's
intended temperature-rise
range with a duct system
441 01 1402 02
3
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