Lennox CB26UH Unit Information page 9

Cb26uh &cbx26uh series high efficiency blower coils
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SINGLE PHASE ELECTRIC HEAT
5 kW
ECB26−5 (99M64) Terminal Block
ECB26−5CB (99M65) Circuit Breaker
C 26 C (99 6 ) C
7.5 kW
ECB26−7 (99M66) Terminal Block
ECB26−7CB (99M67) Circuit Breaker
C
C (
10 kW
ECB26−10 (99M68) Terminal Block
ECB26−10CB (99M69) Circuit Breaker
C
C (
15 kW
ECB26−15CB (99M70) Circuit Breaker
20 kW
ECB26−20CB (99M71) Circuit Breaker
SINGLE PHASE ELECTRIC HEAT
5 kW
ECB26−5 (99M64) Terminal Block
ECB26−5CB (99M65) Circuit Breaker
C
C (
7.5 kW
ECB26−7 (99M66) Terminal Block
ECB26−7CB (99M67) Circuit Breaker
C 26 C (99 6 ) C
10 kW
ECB26−10 (99M68) Terminal Block
ECB26−10CB (99M69) Circuit Breaker
C 26 10C (99 69) C
15 kW
ECB26−15CB (99M70) Circuit Breaker
20 kW
ECB26−20CB (99M71) Circuit Breaker
NOTE − Circuit 1 Minimum Circuit Ampacity includes the Blower Motor Full Load Amps.
1
Electric heater capacity only − does not include additional blower motor heat capacity.
2
Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements. Use wires suitable for at least 167°F (75_C).
3
HACR type breaker or fuse.
Description
Volt
208
(
)
220
230
240
(
)
208
) C
220
230
240
(
)
208
) C
220
230
240
(
)
208
220
230
240
(
)
208
220
230
240
Model Number
Volt
(
)
208
) C
220
230
240
(
)
208
220
230
240
(
)
208
220
230
240
(
)
208
220
230
240
(
)
208
220
230
240
TABLE 4
CB(X)26UH−048
Blower
Motor
Full Load
Input
A
Amps
1
kW
Btuh
3.8
12,800
2.6
4.2
14,300
2.5
4.6
15,700
2.5
5.0
17,100
2.5
5.6
19,200
2.6
6.3
21500
2.5
6.9
23500
2.5
7.5
25,600
2.5
7.5
25,600
2.6
8.4
28,700
2.5
9.2
31,400
2.5
10.0
34,100
2.5
11.3
38,400
2.6
12.6
43,000
2.5
13.5
47,000
2.5
15.0
51,200
2.5
15.0
51,200
2.6
16.8
57,300
2.5
18.4
62,700
2.5
20.0
68,200
2.5
CB(X)26UH−060
Blower
Motor
Full Load
Input
Amps
Amps
1
kW
Btuh
(240V)
3.8
12,800
4.1
4.2
14,300
3.9
4.6
15,700
3.9
5.0
17,100
3.9
5.6
19,200
4.1
6.3
21500
3.9
6.9
23500
3.9
7.5
25,600
3.9
7.5
25,600
4.1
8.4
28,700
3.9
9.2
31,400
3.9
10.0
34,100
3.9
11.3
38,400
4.1
12.6
43,000
3.9
13.5
47,000
3.9
15.0
51,200
3.9
15.0
51,200
4.1
16.8
57,300
3.9
18.4
62,700
3.9
20.0
68,200
3.9
Page 9
2
3
Minimum
Maximum
Circuit
Overcurrent
Ampacity
Protection
Circuit 1 Circuit 2 Circuit 1 Circuit 2
20.7
− − −
30
23.3
− − −
30
23.3
− − −
30
23.3
− − −
30
29.7
− − −
45
33.8
− − −
45
33.8
− − −
45
33.8
− − −
45
38.7
− − −
60
44.2
− − −
60
44.2
− − −
60
44.2
− − −
60
38.7
18.1
60
44.2
20.8
60
44.2
20.8
60
44.2
20.8
60
38.7
36.1
60
44.2
41.7
60
44.2
41.7
60
44.2
41.7
60
2
3
Minimum
Maximum
Circuit
Overcurrent
Ampacity
Protection
Circuit 1 Circuit 2 Circuit 1 Circuit 2
22.2
− − −
30
24.7
− − −
30
24.7
− − −
30
24.7
− − −
30
31.2
− − −
45
35.2
− − −
45
35.2
− − −
45
35.2
− − −
45
40.2
− − −
60
45.6
− − −
60
45.6
− − −
60
45.6
− − −
60
40.2
18.1
60
45.6
20.8
60
45.6
20.8
60
45.6
20.8
60
40.2
36.1
60
45.6
41.7
60
45.6
41.7
60
45.6
41.7
60
− − −
− − −
− − −
− − −
− − −
− − −
− − −
− − −
− − −
− − −
− − −
− − −
30
30
30
30
60
60
60
60
− − −
− − −
− − −
− − −
− − −
− − −
− − −
− − −
− − −
− − −
− − −
− − −
30
30
30
30
60
60
60
60

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