Lennox CB30M-65

Page 14
TABLE 3– ELECTRIC HEAT DATA (1 PHASE) – CB29M–41 & CB29M–46
Blower Coil
Model Number
Electric Heat kW,
Model Number
Number of
Steps
Volts
Input
kW
Input
**Btuh
Input
DBlower
Motor
*Minimum
Circuit Ampacity
Model
Number
& Shipping Weight
Steps
Input
Input
Input
Amps
Circuit 1 Circuit 2
b 208/230v–1 ph b
ECB29-5
208 3.8 12,800 2.4 26 – – – –
5kW
(28K31)
ECB29-5CB
1 step
220 4.2 14,300 2.4 27 – – – –
5
kW
ECB29
-
5CB
(28K32)
1
step
230 4.6 15,700 2.4 28 – – – –
4 lbs. (2 kg)
240 5.0 17,100 2.4 29 – – – –
ECB29-8
208 6.0 20,500 2.4 39 – – – –
8kW
(28K33)
ECB29-8CB
2 steps
220 6.7 22,900 2.4 41 – – – –
8
kW
ECB29
-
8CB
(28K34)
2
steps
230 7.3 25,100 2.4 43 – – – –
5 lbs. (2 kg)
240 8.0 27,300 2.4 45 – – – –
ECB29-10
208 7.5 25,600 2.4 48 – – – –
10 kW
(28K35)
ECB29-10CB
2 steps
220 8.4 28,700 2.4 51 – – – –
10
kW
ECB29
-
10CB
(28K36)
2
steps
230 9.2 31,400 2.4 53 – – – –
CB29M-41
5 lbs. (2 kg)
240 10.0 34,100 2.4 55 – – – –
CB29M
-
41
208 9.4 32,000 2.4 22 38
12 5 kW
ECB29-12.5CB
(28K37)
3 steps
220 10.5 35,800 2.4 23 40
12
.
5
kW
(28K37)
10 lbs. (5 kg)
3
steps
230 11.5 39,200 2.4 24 42
g
240 12.5 42,600 2.4 25 44
208 11.3 38,400 2.4 26 45
15 kW
ECB29-15CB
(28K38)
3 steps
220 12.6 43,000 2.4 27 48
15
kW
(28K38)
10 lbs. (5 kg)
3
steps
230 13.5 47,000 2.4 28 49
g
240 15.0 51,200 2.4 29 52
208 15.0 51,200 2.4 48 45
20 kW
ECB29-20CB
(28K39)
4 steps
220 16.8 57,300 2.4 51 48
20
kW
(28K39)
14 lbs. (6 kg)
4
steps
230 18.4 62,700 2.4 53 49
240 20.0 68,200 2.4 55 52
ECB29-5
208 3.8 12,800 3.6 27 – – – –
5kW
(28K31)
ECB29-5CB
1 step
220 4.2 14,300 3.6 28 – – – –
5
kW
ECB29
-
5CB
(28K32)
1
step
230 4.6 15,700 3.6 30 – – – –
4 lbs. (2 kg)
240 5.0 17,100 3.6 31 – – – –
ECB29-8
208 6.0 20,500 3.6 41 – – – –
8kW
(28K33)
ECB29-8CB
2 steps
220 6.7 22,900 3.6 43 – – – –
8
kW
ECB29
-
8CB
(28K34)
2
steps
230 7.3 25,100 3.6 44 – – – –
5 lbs. (2 kg)
240 8.0 27,300 3.6 46 – – – –
ECB29-10
208 7.5 25,600 3.6 50 – – – –
10 kW
(28K35)
ECB29-10CB
2 steps
220 8.4 28,700 3.6 52 – – – –
10
kW
ECB29
-
10CB
(28K36)
2
steps
230 9.2 31,400 3.6 55 – – – –
CB29M-46
5 lbs. (2 kg)
240 10.0 34,100 3.6 57 – – – –
CB29M
-
46
208 9.4 32,000 3.6 23 38
12 5 kW
ECB29-12.5CB
(28K38)
3 steps
220 10.5 35,800 3.6 24 40
12
.
5
kW
(28K38)
10 lbs. (5 kg)
3
steps
230 11.5 39,200 3.6 25 42
g
240 12.5 42,600 3.6 26 44
208 11.3 38,400 3.6 27 45
15 kW
ECB29-15CB
(28K38)
3 steps
220 12.6 43,000 3.6 28 48
15
kW
(28K38)
10 lbs. (5 kg)
3
steps
230 13.5 47,000 3.6 29 49
g
240 15.0 51,200 3.6 31 52
208 15.0 51,200 3.6 50 45
20 kW
ECB29-20CB
(28K39)
4 steps
220 16.8 57,300 3.6 52 48
20
kW
(28K39)
14 lbs. (6 kg)
4
steps
230 18.4 62,700 3.6 55 49
240 20.0 68,200 3.6 57 52
*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).
**Electric heater capacity only — does not include additional blower motor heat
capacity.DMinimum circuit ampacity for blower motor only.