Carrier 40FS User Manual
Page 13
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Table 4 — Heater Electrical Data and Usage (cent)
FAN
SECTION
ELECTRIC RESISTANCE HEATER (208/240 V)
Model
Branch Circuit
Kw
No.
nUfc
Htr
Amps
Min Wire
Size (AWG)
Max Ft
Wire
Min Gnd
Wire Size
Fuse/CB
Amps
240 V
208 V
240 V
208 V
240 V
208 V
240 V
208 V
240 V
208 V
240 V
208 V
CD
5.0
3.75
1 A
20.8
18.0
8
10
60
45
10
10
35
30
CP
6.0
4.5
1 A
25.0
21.6
8
8
50
60
10
10
40
35
DA
7.0
5.25
1 A
29.2
25.2
6
8
70
50
10
10
45
40
DF
7.5
5.63
1 A
31.3
27.0
6
8
65
50
10
10
45
40
DL
8.0
6.0
1 A
33.3
28.9
6
6
65
70
10
10
50
45
DX
9.0
6.75
1 A
37.5
32.5
6
6
55
65
10
10
60
50
EH
—
10.0
7.5
1 A
41.6
36.1
4
6
80
60
10
10
60
60
1 A
45.8
39.7
4
6
75
55
8
10
70
60
i ETtt
11.0
8 25
A
25.0
21.6
8
8
50
60
10
10
40
35
■,__ _
iiiSiiPM
8
20.8
18.0
10
10
45
55
10
10
30
25
1 A
50.0
43.4
4
4
70
80
8
10
70
60
1 FEtt
12.0
9.0
2
A
29.2
25.2
6
8
70
50
10
10
45
40
B
20.8
18.0
10
10
45
55
10
10
30
25
1 A
54.2
47.0
2
4
100
70
8
8
80
70
FQtt
13.0
9.75
2
A
33.3
28.9
6
6
60
70
10
10
50
45
B
20.8
18.0
10
10
45
55
10
10
30
25
1 A
58.3
50.5
2
4
100
70
8
8
80
70
GBtt
140
10.5
A
37.5
32.5
6
6
55
65
10
10
60
50
B
20.8
18.0
10
10
45
55
10
10
30
25
1 A
62.5
54.2
2
2
90
100
8
8
90
80
; GMtt
15.0
11.25
2
A
41.6
36.1
4
6
80
60
10
10
60
60
B
20.8
18.0
10
10
45
55
10
10
30
25
1 A
66.7
57.7
2
2
80
90
8
8
90
80
GY .
16.0
12 0
2
A
33.3
28.9
6
6
60
70
10
10
50
45
B
33.3
28.9
6
8
70
55
10
10
45
40
1 A
70.8
61.3
2
2
80
90
8
8
100
90
; HJtt
17.0
12.75
0 A
35.4
30.6
6
6
60
65
10
10
50
45
B
35.4
30.6
6
8
65
50
10
10
45
40
1 A
75.0
64.9
1
2
90
85
8
8
100
90
HVtt
18.0
13.5
A
37.5
32.5
6
6
55
65
10
10
60
50
B
37.5
32.5
6
6
60
70
10
10
50
45
1 A
79.2
68.5
2t
2
70
80
6
8
110
100
JFtt
19.0
14.25
A
39.6
34.3
6
6
55
60
10
10
60
50
B
39.6
34.3
6
6
60
70
10
10
50
45
1 A
83.3
72.2
2t
1
65
95
6
8
110
100 •
JRt+
20.0
15 0
2 A
41.6
36.1
4
6
80
60
10
10
60
60
B
41.6
36.1
6
6
55
65
10
10
60
50
EH
10.0
7.5
1
24.0
20.8
8t
8t
70
60
10
10
40
35
GM
15.0
11.3
1
36.0
31.3
6t
8t
65
40
10
10
60
45
HV
18.0
13.5
1
43.3
37.5
6t
6t
55
55
10
10
60
60
LW ■
18.8
1
60.2
52.2
4
4
65
65
8
8
90
80
PA
: 30.0 ;
22 5
1
72.2
62.5
2
4
90
55
8
8
100
90
40FS160,
40FS200
or
40FS220
40FS916320
40FS916500
(3-Ph)
Two-stage electric heaters. Remaining heaters are single-
stage. See Fig. 15.
CB
— Circuit Breaker
^Circuit breaker models. All remaining models over 10 kw are in
ternally fused.
tCopper wire sizes based on 75 C; all other copper wire sizes
based on 60C. Use copper wire only.
JCopper wire rated at 75 C and no larger than 00 size must
be used.
**Use fuses only on 40FS91 6300 DL, DX, EH, 40FQ91 6010,020,
40FQ920060 and 40FS920300 EH units.
tfStandard heater models that require 2 line power circuits. Add
accessory conversion lug set for single power circuit operation.
NOTES:
1. Heater models 40FQ916, 40FQ920 and 40FS916320 equipped
with 60-va control circuit transformer. Remaining heater
models have 40-va transformer.
2. Field-selected wire sizes must not create a voltage drop
between power source and unit in excess of 2% of unit
rated voltage.
13