Lennox DAVE LENNOX SIGNATURE CBX32MV - Page 18

CBX32MV / Page 18
ELECTRIC HEAT DATA - CBX32MV-048 AND CBX32MV-060
Model Number
No. of
Stages
Volts
Input
kW
Input
1
Btuh
Input
2
Blower
Motor
Full
Load
Amps
3
Minimum
Circuit
Ampacity
5
Maximum
Overcurrent
Protection
Single Point
Power Source
Ckt 1 Ckt 2 Ckt 3 Ckt 1 Ckt 2 Ckt 3
3
Minimum
Circuit
Ampacity
5
Maximum
Overcurrent
Protection
SINGLE PHASE
4 kW
4 lbs.
ECB40-4 (12L76)
Terminal Block
ECB40-4CB (12L78)
35A Circuit breaker
1 208 3.0 10,250 7.4 27 - - - - - -
4
30 - - - - - - - - - - - -
220 3.4 11,450 7.4 28 - - - - - -
4
30 - - - - - - - - - - - -
230 3.7 12,550 7.4 29 - - - - - -
4
30 - - - - - - - - - - - -
240 4.0 13,650 7.4 30 - - - - - -
4
30 - - - - - - - - - - - -
5 kW
4 lbs.
ECB40-5 (12L79)
Terminal Block
ECB40-5CB (12L88)
35A Circuit breaker
1 208 3.8 12,800 7.4 32 - - - - - - 35 - - - - - - - - - - - -
220 4.2 14,300 7.4 33 - - - - - - 35 - - - - - - - - - - - -
230 4.6 15,700 7.4 34 - - - - - - 35 - - - - - - - - - - - -
240 5.0 17,100 7.4 35 - - - - - -
4
40 - - - - - - - - - - - -
6 kW
4 lbs.
ECB40-6 (12L86)
Terminal Block
ECB40-6CB (12L89)
40A Circuit breaker
1 208 4.5 15,400 7.4 36 - - - - - - 40 - - - - - - - - - - - -
220 5.0 17,100 7.4 38 - - - - - - 40 - - - - - - - - - - - -
230 5.5 18,800 7.4 39 - - - - - - 40 - - - - - - - - - - - -
240 6.0 20,500 7.4 41 - - - - - -
4
45 - - - - - - - - - - - -
8 kW
5 lbs.
ECB40-8 (12L87)
Terminal Block
ECB40-8CB (12L90)
50A Circuit breaker
1 208 6.0 20,500 7.4 45 - - - - - - 50
- - - - - - - - - - - -
220 6.7 22,900 7.4 47 - - - - - - 50 - - - - - - - - - - - -
230 7.3 25,100 7.4 49 - - - - - - 50 - - - - - - - - - - - -
240 8.0 27,300 7.4 51 - - - - - -
4
60 - - - - - - - - - - - -
9 kW
5 lbs.
ECB40-9CB (12L91)
60A Circuit breaker
2 208 6.8 23,100 7.4 50 - - - - - - 60 - - - - - - - - - - - -
220 7.6 25,800 7.4 52 - - - - - - 60 - - - - - - - - - - - -
230 8.3 28,200 7.4 54 - - - - - - 60 - - - - - - - - - - - -
240 9.0 30,700 7.4 56 - - - - - - 60 - - - - - - - - - - - -
12.5 kW
10 lbs.
ECB40-12.5CB
(12L92)
(1) 30A and
(1) 45A Circuit breaker
2 208 9.4 32,000 7.4 28 38 - - - 30
4
40 - - - 66 70
220 10.5 35,800 7.4 29 40 - - - 30
4
40 - - - 69 70
230
11.5 39,200 7.4 30 42 - - - 30 45 - - - 72 80
240 12.5 42,600 7.4 31 44 - - -
4
35 45 - - - 75 80
15 kW
12 lbs.
ECB40-15CB (12L93)
(1) 35A and
(1) 60A Circuit breaker
2 208 11.3 38,400 7.4 32 45 - - - 35
4
45 - - - 77 80
220 12.6 43,000 7.4 33 48 - - - 35
4
50 - - - 81 90
230 13.5 47,000 7.4 34 50 - - - 35
4
50 - - - 84 90
240 15.0 51,200 7.4 35 52 - - -
4
40 60 - - - 88 90
20 kW
19 lbs.
ECB40-20CB (12L94)
(2) 60A Circuit breaker
2 208 15.0 51,200 7.4 50 50 - - -
4
50
4
50 - - - 100 100
220 16.8 57,300 7.4 52 53 - - - 60 60 - - - 105 125
230 18.4 62,700 7.4 54 55 - - - 60 60 - - - 109 125
240 20.0
68,200 7.4 56 57 - - - 60 60 - - - 113 125
25 kW
19 lbs.
ECB40-25CB (12L95)
(1) 60A and
(2) 45A Circuit breaker
3 208 18.8 64,100 7.4 47 38 38
4
50
4
40
4
40 122 125
220 21.0 71,700 7.4 49 40 40
4
50
4
40
4
40 129 150
230 23.0 78,300 7.4 51 42 42 60 45 45 135 150
240 25.0 85,300 7.4 53 44 44 60 45 45 141 150
THREE PHASE
8 kW
5 lbs.
ECB40-8 (12L96)
Terminal block
1 208 6.0 20,500 7.4 30 - - - - - - 35 - - - - - - - - - - - -
220 6.7 22,900 7.4 31 - - - - - - 35 - - - - - - - - - - - -
230 7.3 25,100 7.4 32 - - - - - - 35 - - - - - - - - - - - -
240 8.0 27,300 7.4 33 - - - - - - 35 - - - - - - - - - - - -
10 kW
6 lbs.
ECB40-10 (12L97)
Terminal block
1 208 7.5 25,600 7.4 35 - - - - - - 40 - - - - - - - - - - - -
220 8.4 28,700 7.4 37 - - - - - - 40 - - - - - - - - - - - -
230 9.2 31,400 7.4 38 - - - - - - 40 - - - - - - - - - - - -
240 10.0 34,100 7.4 39 - - - - - - 40 - - - - - - - - - - - -
15 kW
12 lbs.
ECB40-15CB (12L98)
50A Circuit breaker
1 208 11.3 38,400 7.4 48 - - - - - - 50 - - - - - - - - - - - -
220 12.6 43,000 7.4 51 - - - - - -
4
60 - - - - - - - - - - - -
230 13.5 47,000 7.4 52 - - - - - -
4
60 - - - - - - - - - - - -
240 15.0 51,200 7.4 54 - - - - - -
4
60 - - - - - - - - - - - -
20 kW
19 lbs.
ECB40-20CB (12L99)
(2) 35A Circuit breaker
2 208 15.0 51,200 7.4 35 26 - - -
4
40
4
30 - - - 62 70
220 16.8 57,300 7.4 37 28 - - -
4
40
4
30 - - - 65 70
230 18.4 62,700 7.4 38 29 - - -
4
40
4
30 - - - 67 70
240 20.0 68,200 7.4 39 30 - - -
4
40 35 - - - 70 70
25 kW
19 lbs.
ECB40-25CB (12M75)
(1) 50A and
(1) 40A Circuit breaker
2 208 18.8 64,100 7.4 42 33 - - -
4
45
4
35 - - - 75 80
220 21.0 71,700 7.4 44 34 - - -
4
45
4
35 - - - 78 80
230 23.0 78,300 7.4 45 36 - - - 50 40 - - - 81 90
240 25.0 85,300 7.4 47 38 - - - 50 40 - - - 84 90
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
Amps shown are for blower motor only.
3
Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements. Use wires suitable for at least 167°F.
4
Bold text indicates that the circuit breaker on “CB” circuit breaker models must be replaced with size noted. See Table on Page 6.
5
HACR type circuit breaker or fuse.
18 of 44 B17-0056
01/19/2017