Lennox CB19-21 Manual page 7

ELECTRIC HEAT DATA — CB19/CBH19-31,-41
Blower Coil Unit Electric Heat Model Number
Model Number Model Number & Shipping Weight & Shipping Weight
ECB19-5
4 lbs. (2 kg)
ECB19-6
5 lbs. (2 kg)
ECB19-7
5 lbs. (2 kg)
CB19-31
CBH19-31 ECB19-8
and and
CB19-41 5 lbs. (2 kg)
CBH19 41 CBH19-41
ECB19-10
5 lbs. (2 kg)
ECB19-12.5
10 lbs. (5 kg)
ECB19-15
10 lbs. (5 kg)
ECB19-5
6 lbs. (3 kg)
ECB19-7.5
6 lbs. (3 kg)
ECB19-10
CB19-41
CBH19-41
6 lbs. (3 kg)
ECB19-15
9 lbs. (4 kg)
ECB19-20
14 lbs. (6 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
Steps & Phase Steps & Phase
1 step
(69G87) (69G87)
1 phase h
2 steps p
(69G88) (69G88)
1 phase
2 steps p
(69G89) (69G89)
1 phase
2 steps p
(69G90) (69G90)
1 phase
2 steps p
(69G91) (69G91)
1 phase
3 steps p
(68G92) (68G92)
1 phase
3 steps p
(69G93) (69G93)
1 phase
3 steps p
(69G97) (69G97)
3 phase
3 steps p
(69G98) (69G98)
3 phase
3 steps p
(69G99) (69G99)
3 phase
3 steps p
(70G00) (70G00)
3 phase
3 steps p
(69G94) (69G94)
1 phase
Volts kW **Btuh
Input Input Input Input Input Input
208 3.8 12,800
220 4.2 14,300
230 4.6 15,700
240 5.0 17,100
208 4.5 15,400
220 5.0 17,100
230 5.5 18,800
240 6.0 20,500
208 5.3 17,900
220 5.9 20,100
230 6.4 21,900
240 7.0 23,900
208 6.0 20,500
220 6.7 22,900
230 7.3 25,100
240 8.0 27,300
208 7.5 25,600
220 8.4 28,700
230 9.2 31,400
240 10.0 34,100
208 9.4 32,000
220 10.5 35,800
230 11.5 39,200
240 12.5 42,600
208 11.3 38,400
220 12.6 43,000
230 13.5 47,000
240 15.0 51,200
208 3.8 12,800
220 4.2 14,300
230 4.6 15,700
240 5.0 17,100
208 5.6 19,200
220 6.3 21,500
230 6.9 23,500
240 7.5 25,600
208 7.5 25,600
220 8.4 28,700
230 9.2 31,400
240 10.0 34,100
208 11.3 38,400
220 12.6 43,000
230 13.5 47,000
240 15.0 51,200
208 15.0 51,200
220 16.8 57,300
230 18.4 62,700
240 20.0 68,200
— 7 —
*Minimum
DBlower
Circuit Ampacity
Amps Amps
Circuit 1 Circuit 2
3.0 25.0 - - - -
3.0 26.3 - - - -
3.0 27.4 - - - -
3.0 28.4 - - - -
3.0 29.5 - - - -
3.0 30.8 - - - -
3.0 32.4 - - - -
3.0 33.7 - - - -
3.0 34.0 - - - -
3.0 35.9 - - - -
3.0 37.3 - - - -
3.0 38.9 - - - -
3.0 38.5 - - - -
3.0 40.5 - - - -
3.0 43.3 - - - -
3.0 44.0 - - - -
3.0 47.4 - - - -
3.0 50.1 - - - -
3.0 52.3 - - - -
3.0 54.5 - - - -
3.0 40.0 18.9
3.0 42.2 19.9
3.0 44.0 20.8
3.0 45.8 21.8
3.0 47.5 22.7
3.0 50.1 23.9
3.0 52.3 25.0
3.0 54.5 26.0
3.0 15.4 - - - -
3.0 16.2 - - - -
3.0 16.8 - - - -
3.0 17.4 - - - -
3.0 21.9 - - - -
3.0 23.0 - - - -
3.0 24.0 - - - -
3.0 24.9 - - - -
3.0 28.4 - - - -
3.0 29.9 - - - -
3.0 31.3 - - - -
3.0 32.5 - - - -
3.0 41.5 - - - -
3.0 43.7 - - - -
3.0 45.7 - - - -
3.0 47.5 - - - -
3.0 47.4 45.0
3.0 50.1 47.8
3.0 52.3 49.9
3.0 54.5 52.2