Carrier 39LA Installation, Start-Up And Service Instructions Manual page 27

UNIT HEATER NO. OF HEATER
SIZE AREA CONTROL COIL
39L (sq ft) STEPS* kW
9
03 2.2 3 15
17.2
8
10
17
06 3.7 6 19.9
27
29.8
36
15
25
35
08 5.1 6
39.9
43.2
51
15
25
39.9
10 6.2 6
47.3
51.8
59.8
19.9
29.8
39.9
12 7.3 6
43
51.8
72
19.9
29.8
39.9
15 10.0 6 45
51.8
65
86
19.9
25.8
35
18 11.74 6 45
51.8
78
94
19.9
25.8
35
45
21 14.21 6
51.8
79.8
92
116
30
39.9
50
65
25 17.79 6
79.8
96.5
110
145
LEGEND
ARI — Air Conditioning and Refrigeration Institute
AWG — American Wire Gage
FLA — Full Load Amps
kW — Kilowatts
MCA — Minimum Circuit Amps
MOCP — Maximum Overcurrent Protection
*Standard control steps are listed under the Control Step heading. "Free" additional
steps of control are optionally available when the number of subcircuits exceeds the
standard number of control steps.
†MCA = 1.25 x FLA; for proper wire sizing, refer to Table 310-16 of the NEC.
**2 control steps in this voltage.
††3 control steps in this voltage.
***4 control steps in this voltage.
†††5 control steps in this voltage.
Table 10 — Electric Heater Data
208/3/60 VOLTS
NOMINAL
TEMP
COIL FACE
No.
RISE
Total
VELOCITY
MCA† Sub-
(F)
FLA
(fpm)
Ckt
500 26 25 31 1
500 44 42 52 1
500 50 48 60 1
500 14 22 28 1
500 17 28 35 1
500 29 47 59 1
500 34 55 69 2
500 47 75 94 2
500 51 83 104 2
500 62 100 125 3††
500 19 42 52 1
500 31 69 87 2
500 44 97 122 3
500 50 111 139 3
500 54 120 150 3
500 64 142 177 3
500 15 42 52 1
500 26 69 87 2
500 41 111 139 3
500 49 131 164 3
500 53 144 180 3
500 62 — — —
500 17 55 69 2
500 26 83 104 2
500 35 111 139 3
500 38 119 149 3
500 45 144 180 3
500 63 — — —
500 13 55 69 2
500 19 83 104 2
500 25 111 139 3
500 29 125 156 3
500 33 144 180 3
500 42 — — —
500 55 — — —
500 11 55 69 2
500 14 72 90 2
500 19 97 122 3
500 25 125 156 3
500 28 144 180 3
500 43 — — —
500 51 — — —
500 9 55 69 2
500 12 72 90 2
500 16 97 122 3
500 20 125 156 3
500 23 144 180 3
500 36 — — —
500 41 — — —
500 52 — — —
500 11 83 104 2
500 14 111 139 3
500 18 139 174 3
500 23 181 226 4
500 29 222 277 5
500 35 268 335 6
500 39 — — —
500 52 — — —
240/3/60 VOLTS
No.
Total Total
MOCP MCA† Sub- MOCP
FLA FLA
Ckt
35 22 27 1 30
60 36 45 1 50
60 41 52 1 60
30 19 24 1 25
35 24 30 1 35
60 41 51 1 60
70 48 60 1 60
100 65 81 2 90
110 72 90 2 90
150 87 108 2 110
60 36 45 1 50
90 60 75 2 80
125 84 105 2 110
150 96 120 3 125
175 104 130 3 150
200 123 154 3 175
60 36 45 1 50
90 60 75 2 80
150 96 120 3 125
175 114 142 3 150
200 125 156 3 175
— — — — —
70 48 60 1 60
110 72 90 2 90
150 96 120 3 125
150 104 129 3 150
200 125 156 3 175
— — — — —
70 48 60 1 60
110 72 90 2 90
150 96 120 3 125
175 108 135 3 150
200 125 156 3 175
— — — — —
— — — — —
70 48 60 1 60
90 62 78 2 80
125 84 105 2 110
175 108 135 3 150
200 125 156 3 175
— — — — —
— — — — —
70 48 60 1 60
90 62 78 2 80
125 84 105 2 110
175 108 135 3 150
200 125 156 3 175
— — — — —
— — — — —
— — — — —
110 72 90 2 100
150 96 120 3 125
175 120 151 3 175
250 157 196 4 200
300 192 240 5 250
350 232 291 5 300
— 265 331 6 350
— — — — —
NOTES:
1. Subcircuits are internal heater circuits of 48 amps or less.
2. Electric heat performance is not within the scope of ARI standard 430 certification.
3. To avoid damage due to overheating, minimum face velocity cannot fall below
350 fpm.
27
480/3/60 VOLTS 380/3/50 VOLTS
No.
Total
MCA† Sub- MOCP MCA†
FLA
Ckt
11 14 1 20 14
18 23 1 25 23
21 26 1 30 26
10 12 1 20 12
12 15 1 20 15
20 26 1 30 26
24 30 1 30 30
33 41 1 45 41
36 45 1** 45 45
43 54 1** 60 55
18 23 1 25 23
30 38 1 40 38
42 53 1 60 53
48 60 2 70 61
52 65 2 70 66
61 77 2 80 78
18 23 1 25 23
30 38 1 40 38
48 60 2 70 61
57 71 2 80 72
62 78 2 80 79
72 90 2 100 91 114
24 30 1 30 30
36 45 1 45 45
48 60 2 70 61
52 65 2 70 65
62 78 2 80 79
87 108 2 110 110 137
24 30 1 30 30
36 45 1 45 45
48 60 2 70 61
54 68 2 70 68
62 78 2 80 79
78 98 2 100 99 124
104 129 3 150 131 164
24 30 1 30 30
31 39 1 40 39
42 53 1 60 53
54 68 2 70 68
62 78 2 80 79
94 117 2 125 119 148
113 141 3 150 143 179
24 30 1 30 30
31 39 1 40 39
42 53 1 60 53
54 68 2 70 68
62 78 2 80 79
96 120 3 125 121 152
111 138 3 150 140 175
140 175 3 175 —
36 45 1 50 46
48 60 2 70 61
60 75 2 80 76
78 98 2 100 99 124
96 120 3 125 121 152
116 145 3 150 147 183
132 166 3 175 167 209
175 218 4*** 225 221 276
No.
Sub- MOCP
Ckt
17 1 20
29 1 30
33 1 35
15 1 20
19 1 20
32 1 35
38 1 40
51 1 60
57 1 60
68 2** 70
29 1 30
48 1 50
67 2 70
76 2 80
82 2 90
97 2 100
29 1 30
48 1 50
76 2 80
90 2 90
98 2 100
2 125
38 1 40
57 1 60
76 2 80
82 2 90
98 2 100
3†† 150
38 1 40
57 1 60
76 2 80
86 2 90
98 2 100
3 125
3 175
38 1 40
49 1 50
67 2 70
86 2 90
98 2 100
3 150
3 200
38 1 40
49 1 50
67 2 70
86 2 90
98 2 100
3 175
3 175
— — —
57 1 60
76 2 80
95 2 100
3 125
3 175
4*** 200
4*** 225
5††† 300