Lennox CB29M-21, Unit Information

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Page 13
TABLE 2– ELECTRIC HEAT DATA (1 PHASE) – CB29M–21/26 & CB29M–31
Blower Coil
Model Number
Electric Heat kW,
Model Number
Number of
Steps
Volts
Input kW
Input
**Btuh
Input
D
Blower
Motor
*Minimum
Circuit Ampacity
Model Number
& Shipping Weight
Steps Input Input Input
Amps
Circuit 1 Circuit 2
b
208/230v–1 ph
b
208 1.9 6,400 1.5 13 – – – –
2 5 kW
ECB29-2.5
(28K30) 1 step
220 2.1 7,200 1.5 14 – – – –
2.5 kW (28K30)
4 lbs. (2 kg)
1 step
230 2.3 7,800 1.5 14 – – – –
240 2.5 8,500 1.5 15 – – – –
ECB29-5
208 3.8 12,800 1.5 25 – – – –
5 kW
ECB29-5
(28K31)
ECB29-5CB 1 step
220 4.2 14,300 1.5 26 – – – –
5 kW ECB29-5CB
(28K32)
4 lbs (2 kg)
1 step
230 4.6 15,700 1.5 27 – – – –
CB29M-21/26
4 lbs. (2 kg)
240 5.0 17,100 1.5 28 – – – –
CB29M-21/26
ECB29-8
208 6.0 20,500 1.5 38 – – – –
8 kW
ECB29-8
(28K33)
ECB29-8CB
2 steps
220 6.7 22,900 1.5 40 – – – –
8 kW
ECB29-8CB
(28K34)
5 lbs (2 kg)
2 steps
230 7.3 25,100 1.5 42 – – – –
5 lbs. (2 kg)
240 8.0 27,300 1.5 44 – – – –
ECB29-10
208 7.5 25,600 1.5 47 – – – –
10 kW
ECB29-10
(28K35)
ECB29-10CB 2 steps
220 8.4 28,700 1.5 50 – – – –
10 kW ECB29-10CB
(28K36)
5 lbs (2 kg)
2 steps
230 9.2 31,400 1.5 52 – – – –
5 lbs. (2 kg)
240 10.0 34,100 1.5 54 – – – –
ECB29-5
208 3.8 12,800 2.4 26 – – – –
5 kW
ECB29-5
(28K31)
ECB29-5CB 1 step
220 4.2 14,300 2.4 27 – – – –
5 kW ECB29-5CB
(28K32)
4 lbs (2 kg)
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 – – – –
8 kW
ECB29-8
(28K33)
ECB29-8CB 2 steps
220 6.7 22,900 2.4 41 – – – –
8 kW ECB29-8CB
(28K34)
5 lbs (2 kg)
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 – – – –
CB29M-31 10 kW
ECB29-10
(28K35)
ECB29-10CB
2 steps
220 8.4 28,700 2.4 51 – – – –
CB29M-31 10 kW
ECB29-10CB
(28K36)
5 lbs (2 kg)
2 steps
230 9.2 31,400 2.4 53 – – – –
5 lbs. (2 kg)
240 10.0 34,100 2.4 55 – – – –
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
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
240 15.0 51,200 2.4 29 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.
D
Minimum circuit ampacity for blower motor only.