Electric Heat Data (1 Phase) – Cb29M–51 & Cb29M–65 - Lennox ELITE 10 CB29M Series Unit Information

TABLE 4– ELECTRIC HEAT DATA (1 PHASE) – CB29M–51 & CB29M–65
Blower Coil Electric Heat kW,
Model Model Model Number Model Number
Number & Shipping Weight
ECB29-5
(28K31) (28K31)
5 kW 5 kW ECB29-5CB ECB29-5CB
( (28K32)
4 lbs. (2 kg)
ECB29-8
(28K33)
(28K33)
8 kW 8 kW ECB29-8CB ECB29-8CB
(28K34) (
4 lbs. (2 kg)
ECB29-10
(28K35) (28K35)
10 kW 10 kW ECB29-10CB ECB29-10CB
(28K36) (
5 lbs. (2 kg)
ECB29-12.5CB
CB29M-51 CB29M-51 12.5 kW 12 5 kW
(28K37) (28K37)
10 lbs. (5 kg) 10 lbs. (5 kg)
ECB29-15CB
15 kW 15 kW (28K38) (28K38)
10 lbs. (5 kg) 10 lbs. (5 kg)
ECB29-20CB
20 kW 20 kW
(28K39) (28K39)
14 lbs. (6 kg) 14 lbs. (6 kg)
ECB29-25CB
25 kW 25 kW (28K40)
(28K40)
18 lbs. (8 kg) 18 lbs. (8 kg)
ECB29-5
(28K31) (28K31)
5 kW 5 kW ECB29-5CB ECB29-5CB
(
(28K32)
4 lbs. (2 kg)
ECB29-8
(28K33) (28K33)
8 kW 8 kW ECB29-8CB ECB29-8CB
( (28K34)
4 lbs. (2 kg)
ECB29-10
(28K35) (28K35)
ECB29-10CB
10 kW 10 kW ECB29-10CB
( (28K36)
5 lbs. (2 kg)
ECB29-12.5CB
12 5 kW 12.5 kW
(28K37) (28K37)
10 lbs. (5 kg) 10 lbs. (5 kg)
CB29M-65 CB29M-65
ECB29-15CB
15 kW 15 kW (28K38) (28K38)
10 lbs. (5 kg) 10 lbs. (5 kg)
ECB29-20CB
20 kW 20 kW
(28K39) (28K39)
14 lbs. (6 kg) 14 lbs. (6 kg)
ECB29-25CB
25 kW 25 kW
(28K40) (28K40)
18 lbs. (8 kg) 18 lbs. (8 kg)
ECB29-30CB
30 kW 30 kW (28K41) (28K41)
19 lbs. (9 kg)
19 lbs. (9 kg)
*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.
Number of Volts
St Steps Input I t
b 208/230v–1 ph b
208
220
1 step 1 step
230
)
( k )
240
208
220
2 steps 2 steps
230
)
( k )
240
208
220
2 steps 2 steps
230
)
( k )
240
208
220
3 steps 3 steps
230
240
208
220
3 steps 3 steps
230
240
208
220
4 steps 4 steps
230
240
208
220
6 steps 6 steps
230
240
208
220
1 step 1 step
230
)
( k )
240
208
220
2 steps 2 steps
230
)
( k )
240
208
220
2 steps 2 steps
230
)
( k )
240
208
220
3 steps 3 steps
230
240
208
220
3 steps 3 steps
230
240
208
220
4 steps 4 steps
230
240
208
220
6 steps 6 steps
230
240
208
220
6 steps 6 steps
230
240
DBlower
kW **Btuh
Motor Motor
I Input t I Input t
Amps
3.8 12,800 3.8
4.2 14,300 3.8
4.6 15,700 3.8
5.0 17,100 3.8
6.0 20,500 3.8
6.7 22,900 3.8
7.3 25,100 3.8
8.0 27,300 3.8
7.5 25,600 3.8
8.4 28,700 3.8
9.2 31,400 3.8
10.0 34,100 3.8
9.4 32,000 3.8
10.5 35,800 3.8
11.5 39,200 3.8
12.5 42,600 3.8
11.3 38,400 3.8
12.6 43,000 3.8
13.5 47,000 3.8
15.0 51,200 3.8
15.0 51,200 3.8
16.8 57,300 3.8
18.4 62,700 3.8
20.0 68,200 3.8
18.8 64,100 3.8
21.0 71,700 3.8
23.0 78,300 3.8
25.0 85,300 3.8
3.8 12,800 4.6
4.2 14,300 4.6
4.6 15,700 4.6
5.0 17,100 4.6
6.0 20,500 4.6
6.7 22,900 4.6
7.3 25,100 4.6
8.0 27,300 4.6
7.5 25,600 4.6
8.4 28,700 4.6
9.2 31,400 4.6
10.0 34,100 4.6
9.4 32,000 4.6
10.5 35,800 4.6
11.5 39,200 4.6
12.5 42,600 4.6
11.3 38,400 4.6
12.6 43,000 4.6
13.5 47,000 4.6
15.0 51,200 4.6
15.0 51,200 4.6
16.8 57,300 4.6
18.4 62,700 4.6
20.0 68,200 4.6
18.8 64,100 4.6
21.0 71,700 4.6
23.0 78,300 4.6
25.0 85,300 4.6
22.5 76,900 4.6
25.2 86,000 4.6
27.5 94,000 4.6
30.0 102,400 4.6
Page 15
*Minimum Circuit Ampacity
Circuit 1 Circuit 2 Circuit 3
28 – – – – – – – –
29 – – – – – – – –
30 – – – – – – – –
31 – – – – – – – –
41 – – – – – – – –
43 – – – – – – – –
44 – – – – – – – –
47 – – – – – – – –
50 – – – – – – – –
53 – – – – – – – –
55 – – – – – – – –
57 – – – – – – – –
24 38 – – – –
25 40 – – – –
26 42 – – – –
27 44 – – – –
28 45 – – – –
29 48 – – – –
30 49 – – – –
31 52 – – – –
50 45 – – – –
53 48 – – – –
55 49 – – – –
57 52 – – – –
42 38 38
45 40 40
46 42 42
48 44 44
29 – – – – – – – –
30 – – – – – – – –
31 – – – – – – – –
32 – – – – – – – –
42 – – – – – – – –
44 – – – – – – – –
45 – – – – – – – –
48 – – – – – – – –
51 – – – – – – – –
54 – – – – – – – –
56 – – – – – – – –
58 – – – – – – – –
25 38 – – – –
26 40 – – – –
27 42 – – – –
28 44 – – – –
28 45 – – – –
30 48 – – – –
30 49 – – – –
32 52 – – – –
51 45 – – – –
54 48 – – – –
56 49 – – – –
58 52 – – – –
43 38 38
46 40 40
47 42 42
50 44 44
51 45 45
54 48 48
56 49 49
58 52 52