Lennox CB29M-51 User Manual

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

Lennox CB29M-51 Specifications

General

Brand	Lennox
Model	CB29M-51
Category	Air Conditioner
Language	English