Carrier 58DE User Manual
Number One
Air Conditioning
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Carrier Parkway • Syracuse NY 13221
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Gas-Fired Counterflow Furnace
INTRODUCTION
Before installing the furnace, refer to “Procedure for Gas
Furnace Installation” (packaged with the furnace) for infor
mation concerning combustion, venting, piping, and other
standard installation practices. Further reference is made to
the current edition of the American National Standard
Z223.1 National Fuel Gas Code. This publication covers in
stallation, startup, and maintenance.
The Model 58DE Counterflow Gas-Fired Furnaces are
shipped from the factory completely assembled and internal
ly wired ready for indoor heating installation. The air condi
tioning models have a low-voltage terminal strip for con
venience of field wiring.
The design of the 58DE Gas-Fired Furnaces is A.G.A. cer
tified for installation on combustible flooring (with use of
optional combustible floor base) in alcoves, closets, or utility
rooms; with either natural or liquefied petroleum gas.
_
________ ________________________
CLEARANCE REQUIREMENTS
_______________________
(in inches)
Sides.......................................................................................1
Back........................................................................................0
Tbp......................................................................................... 1
Vent Connector (single wall)
Type B (double wall)
.................................................
.......................................................
6
1
Front....................................................................................... 6
Provide service clearance of 30 in. at front of unit.
INSTALLATION
For installation on a combustible floor, see instructions
packaged with the combustible floor base.
For installation on a noncombustible floor, place the furnace
over opening in the floor. Make a seal between the furnace
bottom and the floor to avoid excessive air leakage.
The furnace plenum opening in the floor should correspond
with Figure 5 and Table III.
Installation comprises the following:
*1. Inspection
*11. Location, Ventilation, and Air for Combustion
*III. Gas Piping
*IV. Venting
V. Electrical
VI. Sequence of Operation
VII. Filter Arrangement
VIII. Startup and Adjustment
IX. Care and Maintenance
*Tb perform these sections (or installation steps), refer to
the appropriate sections of “Procedures for Gas-Fired Fur
naces” booklet packaged with this unit.
For accessory installation details, refer to applicable in
stallation literature.
Figure 1 - Model 58DE080
V. ELECTRICAL CONNECTIONS
A. Line-Voltage Wiring
IMPORTANT: Before proceeding with the electrical connec
tions, make certain that voltage, frequency, and phase cor
respond to that specified on the unit rating plate. Also, check
to be sure that the service provided by the utility is sufficient
to handle the additional load imposed by this equipment. Re
fer to the unit rating plate for equipment electrical require
ments.
l^ecíssesí to «Itet.
Use a separate branch electrical circuit for this furnace. A
disconnecting means must be located within sight of, and
within 50 feet of, the furnace.
B. Low-Voltage Wiring
See Figure 3 for wiring diagram showing the proper field
low-voltage wiring. Make all electrical connections in ac
cordance with the National Electrical Code and any local
codes or ordinances that might apply.
© Carrier Corporation 1977
Form 58DE-1SI
Figure 2—Dimensional Drawing
TABLE l-DIMENSIONS IN INCHES
SIZE 58DE
050-200
080-100
080-200
100-100 ]7%
100-200
125-100
125-200
150-200
14 Vs
1714
17У2
I7V2
21
21
24%,
A
D
]2%
12 У
16
Ì5V4
]5% 16
16 5 165
15У4
16
15У
19У,е
I9V4
19Уе
19У4
23
22У4
VENT SIZE SHIP WT
E
4 131
4 138
4
5 170
5 207
5 212
6 240
143
Make field low-voltage connections at the low-voltage ter
minal strip on units equipped with a cooling relay. On heat
ing-only units, two flagged wires are provided for making
the thermostat connections. See Figure 4.
Set the thermostat heat anticipator at 0.9. If additional con
trols are connected in the thermostat circuit, their amp
draw must he added to this setting. Failure to make the set
ting will result in improper operation of the thermostat.
The room thermostat should be located where it will be in
the natural circulating path of room air. Avoid locations
where the thermostat would be exposed to cold air infiltra
tion, drafts from windows, doors, or other openings leading
to the outside, or exposure to air currents from warm or cold
air registers; or to exposure where the natural circulation of
the air is cut off—such as behind doors, above or below man
tels, shelves, etc.
The thermostat should not be exposed to heat from nearby
fireplaces, radios, televisions, lamps, or rays from the sun.
Nor should the thermostat be mounted on a wall containing
pipes or warm air ducts, or a flue or vent that could affect its
operation and prevent it from properly controlling the room
temperature. Any hole in the plaster or panel through which
FIELD LOW-VOLTAGE WIRING — •
FIELD HIGH-VOLTAGE WIRINGFACTORY LOW-VOLTAGE WIRING-
o-||-o|
-------
_____
9.—
roxmrMCMr rating PLATE
CONTROL BOX HERTZ,& PHASE
0.
-----------
0-00--
FURNACE
___________
LOW-VOLTAGE
TERMINAL BOARD
Q (p (p
1—r
Figure 3—Heating and Cooling Application
Wiring Diagram
NOTE: If any of the original wire, as supplied, must be replaced,
use same type or equivalent wire
UNITS WITH COOLING RELAY HEATING ONLY UNITS
Figure 4—Thermostat Connections
Ш
m
1 I
I J
POWER SUPPLY
SEE UNIT
for voltage.
m
#
TABLE ll-RATINGS AND PERFORMANCE*
SIZE 58DE
050-200 50,000
080-100
080-200
100-100
100-200
125-100
125-200
150-200
*The above ratings are approved for altitudes to 2000 ft For elevations above 2000 ft, reduce ratings 4% for each 1000 ft above sea level
NATURAL AND LP
Input Btuh
80,000
100,000
125,000
150,000
Output Btuh
40,000
64,000
80,000
100,000
120,000
TEMP RISE
RANGE
45- 75
70-100
45-100
70-100
45-100
70-100
45-100
45- 75
Ext Static Pressure
HEATING COOLING
-
0.12 700
0.15 870
0.20
0.20
CFM
617
855 0.5
910
1100
1206
1736
Ext Static Pressure
0.5
0.5
0.5
0.5
CFM
800
1200
1400
1600
1920
t
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