Lennox CB29M-21, Unit Information

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Page 21
TABLE 10– ELECTRIC HEAT DATA (3 PHASE) – CB30M–41, CB30M–46, CB30M–51 & CB30M–65
Blower Coil
Model
Electric Heat kW,
Model Number
Number of
St
Volts
I t
kW
I t
Btuh
I
Blower
Motor
{
Minimum Circuit Ampacity
Model
Number
Model Number
& Shipping Weight
Steps Input Input Input
Motor
Amps
Circuit 1 Circuit 2
b
208/230v–3 ph
b
ECB29 8
208 6.0 20,500 1.73 23 – – – –
8 kW
ECB29-8
(28K42)
3 steps
220 6.7 22,900 1.73 24 – – – –
8 kW
(28K42)
5 lbs. (2 kg)
3 steps
230 7.3 25,100 1.73 25 – – – –
5 lbs. (2 kg)
240 8.0 27,300 1.73 26 – – – –
ECB29 10
208 7.5 25,600 1.73 28 – – – –
CB30M-41
10 kW
ECB29-10
(28K43)
3 steps
220 8.4 28,700 1.73 30 – – – –
CB30M-41
10 kW
(28K43)
6 lbs. (3 kg)
3 steps
230 9.2 31,400 1.73 31 – – – –
6 lbs. (3 kg)
240 10.0 34,100 1.73 32 – – – –
ECB29 15CB
208 11.3 38,400 1.73 41 – – – –
15 kW
ECB29-15CB
(28K44)
3 steps
220 12.6 43,000 1.73 44 – – – –
15 kW
(28K44)
9 lbs. (4 kg)
3 steps
230 13.5 47,000 1.73 45 – – – –
9 lbs. (4 kg)
240 15.0 51,200 1.73 47 – – – –
ECB29 8
208 6.0 20,500 2.4 24 – – – –
8 kW
ECB29-8
(28K42)
3 steps
220 6.7 22,900 2.4 25 – – – –
8 kW
(28K42)
5 lbs. (2 kg)
3 steps
230 7.3 25,100 2.4 26 – – – –
5 lbs. (2 kg)
240 8.0 27,300 2.4 27 – – – –
ECB29 10
208 7.5 25,600 2.4 29 – – – –
CB30M-46
CB30U 41/46
10 kW
ECB29-10
(28K43)
3 steps
220 8.4 28,700 2.4 31 – – – –
CB30U-41/46
10 kW
(28K43)
6 lbs. (3 kg)
3 steps
230 9.2 31,400 2.4 32 – – – –
6 lbs. (3 kg)
240 10.0 34,100 2.4 33 – – – –
ECB29 15CB
208 11.3 38,400 2.4 42 – – – –
15 kW
ECB29-15CB
(28K44)
3 steps
220 12.6 43,000 2.4 44 – – – –
15 kW
(28K44)
9 lbs. (4 kg)
3 steps
230 13.5 47,000 2.4 45 – – – –
9 lbs. (4 kg)
240 15.0 51,200 2.4 48 – – – –
ECB29 8
208 6.0 20,500 2.4 24 – – – –
8 kW
ECB29-8
(28K42)
3 steps
220 6.7 22,900 2.4 25 – – – –
8 kW
(28K42)
5 lbs. (2 kg)
3 steps
230 7.3 25,100 2.4 26 – – – –
5 lbs. (2 kg)
240 8.0 27,300 2.4 27 – – – –
ECB29 10
208 7.5 25,600 2.4 29 – – – –
10 kW
ECB29-10
(28K43)
3 steps
220 8.4 28,700 2.4 31 – – – –
10 kW
(28K43)
6 lbs. (3 kg)
3 steps
230 9.2 31,400 2.4 32 – – – –
6 lbs. (3 kg)
240 10.0 34,100 2.4 33 – – – –
ECB29 15CB
208 11.3 38,400 2.4 42 – – – –
CB30M-51
CB30U 51
15 kW
ECB29-15CB
(28K44)
3 steps
220 12.6 43,000 2.4 44 – – – –
CB30U-51
15 kW
(28K44)
9 lbs. (4 kg)
3 steps
230 13.5 47,000 2.4 45 – – – –
9 lbs. (4 kg)
240 15.0 51,200 2.4 48 – – – –
ECB29 20CB
208 15.0 51,200 2.4 29 26
20 kW
ECB29-20CB
(28K45)
6 steps
220 16.8 57,300 2.4 31 28
20 kW
(28K45)
19 lbs. (9 kg)
6 steps
230 18.4 62,700 2.4 32 29
19 lbs. (9 kg)
240 20.0 68,200 2.4 33 30
ECB29 25CB
208 18.8 64,100 2.4 36 33
25 kW
ECB29-25CB
(28K46)
6 steps
220 21.0 71,700 2.4 37 34
25 kW
(28K46)
19 lbs. (9 kg)
6 steps
230 23.0 78,300 2.4 39 36
19 lbs. (9 kg)
240 25.0 85,300 2.4 41 38
ECB29 8
208 6.0 20,500 3.9 26 – – – –
8 kW
ECB29-8
(28K42)
3 steps
220 6.7 22,900 3.9 27 – – – –
8 kW
(28K42)
5 lbs. (2 kg)
3 steps
230 7.3 25,100 3.9 28 – – – –
5 lbs. (2 kg)
240 8.0 27,300 3.9 29 – – – –
ECB29 10
208 7.5 25,600 3.9 31 – – – –
10 kW
ECB29-10
(28K43)
3 steps
220 8.4 28,700 3.9 32 – – – –
10 kW
(28K43)
6 lbs. (3 kg)
3 steps
230 9.2 31,400 3.9 34 – – – –
6 lbs. (3 kg)
240 10.0 34,100 3.9 35 – – – –
ECB29 15CB
208 11.3 38,400 3.9 44 – – – –
CB30M-65
CB30U 65
15 kW
ECB29-15CB
(28K44)
3 steps
220 12.6 43,000 3.9 46 – – – –
CB30U-65
15 kW
(28K44)
9 lbs. (4 kg)
3 steps
230 13.5 47,000 3.9 47 – – – –
9 lbs. (4 kg)
240 15.0 51,200 3.9 50 – – – –
ECB29 20CB
208 15.0 51,200 3.9 31 26
20 kW
ECB29-20CB
(28K45)
6 steps
220 16.8 57,300 3.9 32 28
20 kW
(28K45)
19 lbs. (9 kg)
6 steps
230 18.4 62,700 3.9 34 29
19 lbs. (9 kg)
240 20.0 68,200 3.9 35 30
ECB29 25CB
208 18.8 64,100 3.9 38 33
25 kW
ECB29-25CB
(28K46)
6 steps
220 21.0 71,700 3.9 39 34
25 kW
(28K46)
19 lbs. (9 kg)
6 steps
230 23.0 78,300 3.9 41 36
19 lbs. (9 kg)
240 25.0 85,300 3.9 43 38
{
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.
Minimum circuit ampacity for blower motor only.