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TABLE 5– ELECTRIC HEAT DATA (3 PHASE) – CB29M–41 & CB29M–46, CB29M–51 & CB29M–65
Blower Coil
Electric Heat kW,
Number of
Volts
kW
**Btuh
DBlower
*Minimum Circuit Ampacity
Number
& Shipping Weight
Steps Input Input Input
Amps
Circuit 1 Circuit 2
b 208/230v–3 ph b
208 6.0 20,500 2.4 24 – – – –
ECB29-8
220 6.7 22,900 2.4 25 – – – –
steps
230 7.3 25,100 2.4 26 – – – –
.
240 8.0 27,300 2.4 27 – – – –
208 7.5 25,600 2.4 29 – – – –
ECB29-10
220 8.4 28,700 2.4 31 – – – –
-
steps
230 9.2 31,400 2.4 32 – – – –
.
240 10.0 34,100 2.4 33 – – – –
208 11.3 38,400 2.4 42 – – – –
ECB29-15CB
220 12.6 43,000 2.4 44 – – – –
steps
230 13.5 47,000 2.4 45 – – – –
.
240 15.0 51,200 2.4 48 – – – –
208 6.0 20,500 3.6 25 – – – –
ECB29-8
220 6.7 22,900 3.6 27 – – – –
steps
230 7.3 25,100 3.6 27 – – – –
.
240 8.0 27,300 3.6 29 – – – –
208 7.5 25,600 3.6 31 – – – –
ECB29-10
220 8.4 28,700 3.6 32 – – – –
-
steps
230 9.2 31,400 3.6 33 – – – –
.
240 10.0 34,100 3.6 35 – – – –
208 11.3 38,400 3.6 44 – – – –
ECB29-15CB
220 12.6 43,000 3.6 46 – – – –
steps
230 13.5 47,000 3.6 47 – – – –
.
240 15.0 51,200 3.6 50 – – – –
208 6.0 20,500 3.8 26 – – – –
ECB29-8
220 6.7 22,900 3.8 27 – – – –
steps
230 7.3 25,100 3.8 28 – – – –
.
240 8.0 27,300 3.8 29 – – – –
208 7.5 25,600 3.8 31 – – – –
ECB29-10
220 8.4 28,700 3.8 32 – – – –
steps
230 9.2 31,400 3.8 34 – – – –
.
240 10.0 34,100 3.8 35 – – – –
208 11.3 38,400 3.8 44 – – – –
ECB29-15CB
220 12.6 43,000 3.8 46 – – – –
-
steps
230 13.5 47,000 3.8 47 – – – –
.
240 15.0 51,200 3.8 50 – – – –
208 15.0 51,200 3.8 31 26
ECB29-20CB
220 16.8 57,300 3.8 32 28
steps
230 18.4 62,700 3.8 34 29
.
240 20.0 68,200 3.8 35 30
208 18.8 64,100 3.8 37 33
ECB29-25CB
220 21.0 71,700 3.8 39 34
steps
230 23.0 78,300 3.8 41 36
.
240 25.0 85,300 3.8 43 38
208 6.0 20,500 4.6 27 – – – –
ECB29-8
220 6.7 22,900 4.6 28 – – – –
steps
230 7.3 25,100 4.6 29 – – – –
.
240 8.0 27,300 4.6 30 – – – –
208 7.5 25,600 4.6 32 – – – –
ECB29-10
220 8.4 28,700 4.6 33 – – – –
steps
230 9.2 31,400 4.6 35 – – – –
.
240 10.0 34,100 4.6 36 – – – –
208 11.3 38,400 4.6 45 – – – –
ECB29-15CB
220 12.6 43,000 4.6 47 – – – –
-
steps
230 13.5 47,000 4.6 48 – – – –
.
240 15.0 51,200 4.6 51 – – – –
208 15.0 51,200 4.6 32 26
ECB29-20CB
220 16.8 57,300 4.6 33 28
steps
230 18.4 62,700 4.6 35 29
.
240 20.0 68,200 4.6 36 30
208 18.8 64,100 4.6 38 33
ECB29-25CB
220 21.0 71,700 4.6 40 34
steps
230 23.0 78,300 4.6 42 36
.
240 25.0 85,300 4.6 44 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.
DMinimum circuit ampacity for blower motor only.
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