PRODUCT SPECIFICATIONS
ELECTRICAL CONNECTIONS
MODEL | B |
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7⅞” (200 mm) | |
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23⅞” (606 mm) | |
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23⅞” (606 mm) | |
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1– Main power entrance location (with electric heat installed)
2– Control wiring entrance location
3– Main power entrance location (without electric heat installed)
Note:
FIGURE 3. ELECTRICAL HEAT UNITS
ELECTRIC HEAT
ELECTRIC HEAT AIR TEMPERATURE RISE @ NOMINAL VOLTAGE
Heater Model | HKCB20 | HKCB30 | HKCB40 | ||||
| No. Stages |
| 2 | 2 | 2 | ||
Output MBH (W) | 67.5 | (19.8) | 101.3 (29.7) | 135.0 (39.6) | |||
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| 2600 (1227) | 24.2 | (13.4) | 36.2 (20.1) | - | |
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| 2800 (1320) | 22.5 | (12.5) | 33.6 (18.7) | - | |
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| 3000 (1415) | 21.0 | (11.7) | 31.4 (17.4) | - | |
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| 3200 (1510) | 19.7 | (10.9) | 29.4 (16.3) | 39.3 (21.8) | |
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| 3400 (1605) | 18.5 | (10.3) | 27.7 (15.4) | 37.0 (20.6) | |
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| 3600 (1700) | 17.5 (9.7) | 26.2 (14.6) | 34.9 (19.4) | ||
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| 3800 (1793) | 16.5 (9.2) | 24.8 (13.8) | 33.1 (18.4) | ||
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| 4000 (1888) | 15.7 (8.7) | 23.5 (13.1) | 31.4 (17.4) | ||
CFM |
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| 4200 (1982) | 15.0 (8.3) | 22.4 (12.4) | 29.9 (16.6) | |||
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| 4400 (2076) | 14.3 (7.9) | 21.4 (11.9) | 28.6 (15.9) | |||
(L/S) | |||||||
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| 4600 (2171) | 13.7 (7.6) | 20.5 (11.4) | 27.3 (15.2) | ||
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| 4800 (2265) | 13.1 (7.3) | 19.6 (10.9) | 26.2 (14.6) | ||
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| 5000 (2360) | 12.6 (7.0) | 18.8 (10.4) | 25.2 (14.0) | ||
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| 5200 (2454) | 12.1 (6.7) | 18.1 (10.1) | 24.2 (13.4) | ||
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| 5400 (2548) | 11.6 (6.4) | 17.4 (9.7) | 23.3 (12.9) | ||
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| 5600 (2643) | 11.2 (6.2) | 16.8 (9.3) | 22.5 (12.5) | ||
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| 5800 (2737) | 10.8 (6.0) | 16.2 (9.0) | 21.7 (12.1) | ||
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| 6000 (2832) | 10.5 (5.8) | 15.7 (8.7) | 21.0 (11.7) | ||
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NOMINAL VOLTAGE FOR HKCB
| @ 480V | @ 415V | @ 380V |
19.8 kW | 14.9 kW | 12.5 kW | |
29.7 kW | 22.3 kW | 18.7 kW | |
39.6 kW | 29.7 kW | 25.0 kW |
4
Notes:
1.Maximum air temperature rise of 40°F (22.2°C) must not be exceeded.
2.See Electric Heater Availability table for various unit sizes.
3.Air temperature rise is for total heating capacity: Temperature rises at other conditions may be calculated by using the formula:
Temperature Rise = | Output Capacity - BTU/h |
| 1.08 x ft³/min. Airflow |
Note: Temperature rises must be calculated in other than nominal volt- age conditions.
4.For altitudes over 2,000’, air temperature rise must be calculated using the formula:
Temperature Rise = Output Capacity - BTU/h
14.4x ft³/Min. Airflow x Specific Weight of Air
5.Operation at less than nominal voltages must be
ELECTRIC HEATER AVAILABILITY
Unit Size | HKCB20 | HKCB30 | HKCB40 |
7½ | X | X | X |
10 | X | X | X |
15 | X | X | X |