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7
PHYSICAL DATA
UNIT SIZE
110
135
155
12
16
22
16
22
20
OUTPUT CAPACITY
BTUH*
(Nonweatherized
ICS) †
All 58CTA; 58CTX
Upflow
High
89,000
89,000
89,000
107,000
107,000
125,000
Low
59,000
59,000
59,000
70,000
70,000
82,000
All 58CTX Downflow/
Horizontal
High
85,000
85,000
85,000
102,000
102,000
119,000
Low
59,000
59,000
59,000
70,000
70,000
82,000
INPUT BTUH*
All 58CTA; 58CTX
Upflow
High
110,000
110,000
110,000
132,000
132,000
154,000
Low
72,500
72,500
72,500
87,000
87,000
101,500
All 58CTX Downflow/
Horizontal
HIgh
105,000
105,000
105,000
126,000
126,000
147,000
Low
72,500
72,500
72,500
87,000
87,000
101,500
AFUE † *
Nonweatherized ICS
80.0
80.0
80.0
80.0
80.0
80.0
SHIPPING WEIGHT --- LB. (KG)
144 (65)
158 (72)
163 (74)
163 (74)
174 (79)
181 (82)
CERTIFIED TEMP RISE RANGE --- ° F (° C)
High
50---80
(17---33)
40---70
(17---33)
30---60
(17---33)
50---80
(17---33)
40---70
(17---33)
45---75
(17---33)
Low
30---60
(17---33)
25---55
(14---30)
20---50
(11---28)
30---60
(17---33)
25---55
(14---30)
30---60
(17---33)
CERTIFIED EXT
STATIC PRESSURE
Heating
0.20
0.20
0.20
0.20
0.20
0.20
Cooling
0.50
0.50
0.80
0.50
0.50
0.50
AIRFLOW CFM‡
Heating High/Low
1335/1180
1290/1045
1555/1295
1525/1320
1865/1640
1790/1565
Cooling
1355
1695
2200
1710
2110
2230
LIMIT CONTROL
SPST
HEATING BLOWER CONTROL
Solid-State Time Operation
BURNERS (Monoport)
5
5
5
6
6
7
GAS CONNECTION SIZE
1/2---in. NPT
GAS VALVE (Redundant) Manufacturer
White-Rodgers
Minimum Inlet Pressure (In. wc)
4.5 (Natural Gas)
Maximum Inlet Pressure (In. wc)
13.6 (Natural Gas)
IGNITION DEVICE
Hot Surface
* Gas input ratings are certified for elevations to 2000 ft. (610 M). For elevations above 2000 ft. (610 M), reduce ratings 4 percent for each 1000 ft. (305 M)
above sea level. Refer to National Fuel Gas Code NFPA 54/ANSI Z223.1---2006 Table F.1 (d) or furnace Installation Instructions. In Canada, derate the unit
10 percent for elevations 2000 to 4500 ft. (610 to 1372 M) above sea level.
† Capacity in accordance with U.S. Government DOE test procedures.
‡ Airflow shown is for bottom only return---air supply. For air delivery above 1800 CFM, see Air Delivery Table for other options. A filter is required for each
return-air supply.
ICS — Isolated Combustion System
BLOWER PERFORMANCE DATA
UNIT SIZE
110
135
155
12
16
22
16
20
20
DIRECT-DRIVE MOTOR Hp (PSC)
1/3
1/2
3/4
1/2
3/4
3/4
MOTOR FULL LOAD AMPS
5.2
7.4
11.0
7.9
11.1
11.1
RPM (Nominal) – Speeds
1075-4
1075-5
1075-5
1075-4
1075-4
1075-5
BLOWER WHEEL DIAMETER × WIDTHS ---
In. (mm)
10 x 8
(254 X 203)
10 x 10
(254 X 254)
11 x 11
(279 x 279)
10 x 10
(254 x 254)
11 x 11
(279 x 279)
11 x 11
(279 x279)
PSC---Permanent Split Capacitor
58C
TA
/C
TX
Summary of Contents for 58CTA/CTX
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