6
PHYSICAL DATA
UNIT SIZE
045 070 090
08 12 08 12 16 14 16 20
OUTPUT CAPACITY
BTUH*
(Nonweatherized
ICS) †
All 58CTA; 58CTX
Upflow
High 35,000 36,000 54,000 54,000 53,000 71,000 71,000 71,000
Low 23,000 23,000 36,000 36,000 35,000 47,000 47,000 47,000
All 58CTX Downflow/
Horizontal
High 34,000 34,000 51,000 51,000 51,000 68,000 68,000 68,000
Low 23,000 23,000 36,000 36,000 35,000 47,000 47,000 47,000
INPUT BTUH*
All 58CTA; 58CTX
Upflow
High 44,000 44,000 66,000 66,000 66,000 88,000 88,000 88,000
Low 29,000 29,000 43,500 43,500 43,500 58,000 58,000 58,000
All 58CTX Downflow/
Horizontal
HIgh 42,000 42,000 63,000 63,000 63,000 84,000 84,000 84,000
Low 29,000 29,000 43,500 43,500 43,500 58,000 58,000 58,000
AFUE † * Nonweatherized ICS 80.0 80.0 80.0 80.0 80.0 80.0 80.0 80.0
SHIPPING WEIGHT --- LB (KG) 104 (47) 107 (49) 111 (50) 115 (52) 126 (57) 127 (58) 140 (64) 146 (66)
CERTIFIED TEMP RISE RANGE --- ° F (° C )
High 30---60
( 1 7 --- 3 3 )
20---50
( 1 1 --- 2 8 )
40---70
( 2 2 --- 3 9 )
30---60
( 1 7 --- 3 3 )
25---55
( 1 4 --- 3 0 )
40---70
( 2 2 --- 3 9 )
30---60
( 1 7 --- 3 3 )
25---55
( 1 4 --- 3 0 )
Low 20---50
( 1 1 --- 2 8 )
15---45
( 8 --- 2 5 )
30---60
( 1 7 --- 3 3 )
30---60
( 1 7 --- 3 3 )
15---45
( 8 --- 2 5 )
25---55
( 1 4 --- 3 0 )
25---55
( 1 4 --- 3 0 )
15---45
( 8 --- 2 5 )
CERTIFIED EXT
STA TIC PRESSURE
Heating 0.10 0.10 0.12 0.12 0.12 0.15 0.15 0.15
Cooling 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50
AIRFLOW CFM‡
Heating High/Low 820/725 1030/860 790/685 885/695 1570/1045 1375/1195 1265/1030 1580/1325
Cooling 895 1175 955 1240 1605 1385 1755 2005
LIMIT CONTROL SPST
HEATING BLOWER CONTROL Solid-State Time Operation
BURNERS (Monoport) 2 2 3 3 3 4 4 4
GAS CONNECTION SIZE 1 / 2 --- i n . N P T
GAS VALVE (Redundant) Manufacturer White-Rodgers
Minimum Inlet Pressure (In. W .C.) 4.5 (Natura l Gas)
Maximum Inlet Pressure (In. W .C.) 13.6 (Natura l Gas)
IGNITION DEVICE Hot Surfa ce
* 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. (305M)
above sea level. Refer to National Fuel Gas Code NFPA 54/ANSI Z223.1---2009 Table F.4 or furnace Installation Instructions.
† Capacity in accordance with U.S. Government DOE test procedures.
‡ Airflow shown is for bottom only return ---a ir supply. For air delivery above 1800 CFM, see Air Delivery Table for other options. A filter is required for each
return-air su pply.
ICS — Isolated Combustion System
BLOWER PERFORMANCE DATA
UNIT SIZE
045 070 090
08 12 08 12 16 14 16 20
DIRECT-DRIVE MOTOR Hp (PSC) 1/5 1/3 1/5 1/3 1/2 1/ 3 1/2 3/4
MOTOR FULL LOAD AMPS 2.8 5.1 2.8 5.1 7.4 5.2 7.4 11.0
RPM (Nominal) – Speeds 1075-4 1075-5 1075-4 1075-5 1075-5 1075-4 1075-5 1075-5
BLOWER WHEEL DIAMETER × WIDTHS ---
In. (mm)
10 x 6
(254 x
152)
10 x 6
(254 x
152)
10 x 6
(254 x
152)
10 x 6
(254 x
152)
11 x 8
(279 x
203)
10 x 8
(254 x
203)
10 x 10
(254 x
254)
11 x 11
(279 x
279)
PSC ---Permanent Split Capacitor
58CTA/CTX
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