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HEATER PART NO.
UNIT
CAELHEAT025A00
524A-B180,240
524A-C180,240
CAELHEAT026A00
CAELHEAT027A00
CAELHEAT028A00
CAELHEAT029A00
CAELHEAT030A00
524A-B300
524A-C300
CAELHEAT031A00
CAELHEAT032A00
CAELHEAT033A00
LEGEND
FLA
— Full Load Amps
Hp
— Horsepower
MCA — Minimum Circuit Amps
MOCP— Maximum Overcurrent Protection (Amps)
*Values shown are for single-point connection of electric heat acces-
sory and air handler.
NOTES:
1. Electrical resistance heaters are rated at 240 v, 480 v, or 575 v. To
determine heater capacity (kW) at unit nameplate multiply the
240-v, 480-v, or 575-v capacity (kW) by the factor shown in the
table below for the unit voltage.
HEATER
ACTUAL HEATER VOLTAGE
RATING
200
208
230 240 400 440 460 480 550 575 600
VOLTAGE
240
0.694 0.751 0.918 1
480
—
—
—
— 0.694 0.84 0.918 1
575
—
—
—
—
ELECTRICAL DATA (cont)
ELECTRIC HEATER DATA (cont)
FAN MOTOR
V-PH-Hz
Hp
kW
3.7
2.76 10.2
208-3-60
5.0
3.73 14.6
7.5
5.59 21.5
3.7
2.76 10.2
240-3-60
5.0
3.73 12.8
7.5
5.59 19.4
3.7
2.76
480-3-60
5.0
3.73
7.5
5.59
3.0
2.24
575-3-60
5.0
3.73
7.5
5.59
7.5
5.59 19.8
208-3-60
10.0
7.46 28.2
7.5
5.59 19.4
240-3-60
10.0
7.46 26.8
7.5
5.59
480-3-60
10.0
7.46 13.4
7.5
5.59
575-3-60
10.0
7.46 10.3
7.5
5.59 19.8
208-3-60
10.0
7.46 28.0
7.5
5.59 19.4
240-3-60
10.0
7.46 26.8
7.5
5.59
480-3-60
10.0
7.46 13.4
7.5
5.59
575-3-60
10.0
7.46 10.3
—
—
—
—
—
—
—
—
—
—
—
— 0.915 1 1.089
ELECTRIC HEATER(S)
Actual Capacity (kW)
Nominal
Capacity (kW)
FLA
Stage 1
50
22.6
50
22.6
50
22.6
50
30.0
50
30.0
50
30.0
4.8
50
30.0
6.4
50
30.0
9.7
50
30.0
3.8
50
30.0
5.1
50
30.0
7.8
50
30.0
20
14.9
20
14.9
20
19.9
20
19.9
9.7
20
20.0
20
20.0
7.8
20
20.0
20
20.0
40
15.0
40
15.0
40
20.0
40
20.0
9.7
40
20.0
40
20.0
7.8
40
20.0
40
20.0
2. The following equation converts kW of heat energy to Btuh:
kW x 3,412 = Btuh.
3. Heater contactor coils are 24 v and require 8 va holding current.
4. Electric heaters are tested and ETL approved at maximum total
external static pressure of 1.9 in. wg.
5. MCA and MOCP values apply to both standard and alternate fac-
tory-supplied motors.
6. Approximate shipping weight for CAELHEAT001A00-015A00 is
55 lb each, CAELHEAT016A00-027A00 is 60 lb each, and
CAELHEAT028A00-039A00 is 75 lb each.
—
—
77
FLA
MCA*
Stage 2
Total
15.0
37.6
104.3
143.1
15.0
37.6
104.3
148.6
15.0
37.6
104.3
157.2
20.0
50.0
120.3
163.1
20.0
50.0
120.3
166.4
20.0
50.0
120.3
174.6
20.0
50.0
60.1
81.2
20.0
50.0
60.1
83.2
20.0
50.0
60.1
87.3
20.0
50.0
50.2
67.5
20.0
50.0
50.2
69.1
20.0
50.0
50.2
72.5
—
14.9
41.5
78.7
—
14.9
41.5
87.1
—
19.9
47.9
81.4
—
19.9
47.9
93.3
—
20.0
24.1
42.2
—
20.0
24.1
46.8
—
20.0
20.1
34.9
—
20.0
20.1
38.0
15.0
30.0
83.4
131.1
15.0
30.0
83.4
139.5
20.0
40.0
96.2
144.5
20.0
40.0
96.2
153.8
20.0
40.0
47.9
71.9
20.0
40.0
47.9
76.6
20.0
40.0
40.2
60.0
20.0
40.0
40.2
63.1
MOCP*
150
150
175
175
175
200
90
90
90
70
70
80
80
100
90
110
50
50
35
40
150
150
150
175
80
80
60
70
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