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2-7/16"
1-1/8"
28-7/8"
(733mm)
25-1/4"
22-9/16"
JUNCTION BOX
LOCATION
7/8" DI A
ACCESSORY
1/2" DIA THERMOSTAT
WIRE ENTRY
3-15/16"
LEFT HAND GAS
ENTRY
33-5/16"
24-7/8"
5-1/2"
7/8" DIA. ACCESSORY
11/16"
21-5/8"
BOTTOM INLE T
1-11/16"
13/16"
11/16"
4-13/16"
AIRFLOW
19"
OUTLE T
13/16"
11/16"
8-9/16"
VENT OUTLE T
5 PLACES (TYP)
3-3/4"
1-3/4" DIA.RIGHT HAND
GAS ENTRY
7/8" DIA. K.O. WIRE ENTRY
SIDE INLE T
14-7/8"
7/8" DIA. ACCESSORY
1-1/4"
1"
22-1/16"
A
D
F
E
(FLUE COLLAR)
5-15/16"
24"
CASING
1-5/16"
1/2" DIA. K.O.THERMOSTAT
WIRE ENTRY
ALTERNAT E
JUNCTION BOX
LOCATIONS (TYP)
26-1/8"
1-1/2"
7-3/4"
9-5/8"
11-1/2"
5-1/2"
(664mm)
(641mm)
(573mm)
(22mm)
(846mm)
(17mm)
(549mm)
(
610mm
)
(43mm)
(140mm)
(632mm)
(17mm)
(140mm)
(95mm)
(21mm)
(122mm)
(217mm)
(62mm)
(33mm)
(29mm)
(483mm)
(13mm)
(44mm)
(22mm)
(22mm)
(38mm)
(560mm)
(25mm)
(32mm)
(378mm)
(17mm)
(197mm)
(244mm)
(292mm)
(21mm)
A04037
NOTES:
1. Two additional 7/8---in. (22 mm) diameter holes are located in the top plate.
2. Minimum return---air openings at furnace, based on metal duct. If flex duct is used, see flex duct manufacturer’s recommendations for equivalent diameters.
a. For 800 CFM---16---in. (406 mm) round or 14 1/2 x 12---in. ( 368 x 305 mm) rectangle.
b. For 1200 CFM---20---in. ( 508 mm) rou nd or 14 1/2 x 19 1/2---in. (368 x 495 mm) rectangle.
c. For 1600 CFM---22---in. ( 559 mm) rou nd or 14 1/2 x 22 1/16---in. (368 x 560mm) r e ctangle.
d. For airflow requirements above 1800 CFM, see Air Delivery table in Product Data literature f or specific u se of single side inlets. The use of both sideinlets,a
combination of 1 side and the bottom, or the bottom on ly will ensure adequate return air openings for airflow r equirements above 1800 CFM.
Fig. 1 -- Dimensional Drawing
SAFETY CONSIDERATIONS
FIRE, EXPLOSION, ELECTRICAL SHOCK, AND
CARBON MONOXIDE POISONING HAZARD
Failure to follow this warning could result in dangerous
operation, serious injury, death, or property damage.
Improper installation, adjustment, alteration, service,
maintenance, or use could 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.
!
WARNING
FURNACE RELIABILITY HAZARD
Improper installation or misapplication of furnace may
require excessive servicing or cause premature component
failure.
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.
CAUTION
!
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 servicing furnaces.
CAUTION
!
Improper installation, adjustment, alteration, service,
maintenance, or use can cause explosion, fire, electrical 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.
In Canada, refer to the current editions of the National Standards
of Canada CAN/CSA--B149.1 and .2 Natural Gas and Propane
Installation Codes, and Canadian Electrical Code CSA C22.1
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 ma y 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.
58CT