BC/BD-t-350AD5-B09 C
76.56 kW
Dry cooler BC/BD-280NB5-B03 C
Defrost: None
Product code: BC/BD-280NB5-B03 C
- Heat rejection i
- 76.57 kW
- Air flow
- 21,328 m³/h
- Fans
- 2 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 21,328 m³/h |
|---|---|
| External surface | 417.9 m² |
| Inner volume | 56.9 dm³ |
| Fin material | Aluminium |
| Net weight | 483 kg |
| Quantity | 2 |
|---|---|
| Diameter | 800 mm |
| Speed | 435 rpm |
| Power | 600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 12 |
| Sound pressure | 35.0 dB(A) |
|---|---|
| Sound power | 67.0 dB(A) |
| Energy class | B |
| Inlet | 2" |
|---|---|
| Outlet | 2" |
| BC/BD-280NB5-B03 C | None |
|---|
Performance
Fluid inlet 35–60 °C (outlet = inlet − 5 K, at least 5 K above the air inlet); air inlet 25…50 °C.
WATER 40 → 35 °C, air inlet 25 °C
- Heat rejection · High speed (Δ)
- 76.573 kW Fluid flow 13.29 m³/h Pressure drop 59.9 kPa
- Heat rejection · Low speed (Y)
- 61.352 kW Fluid flow 10.64 m³/h Pressure drop 40.4 kPa
Heat rejection [kW]: Air inlet × fluid inlet (range 5 K)
WATER; rows: fluid inlet [°C], outlet = inlet − 5 K; columns: air inlet temperature. The highlighted cell is the nominal point. "—": not rated by the manufacturer.
≈ 1.23 estimate — vendor data irregular here
High speed (Δ)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 45.71 | not rated | not rated | not rated | not rated | not rated |
| 40 | 76.57 | 45.69 | not rated | not rated | not rated | not rated |
| 45 | 106.67 | 76.31 | 45.66 | not rated | not rated | not rated |
| 50 | 136.52 | 106.18 | 76.08 | 45.65 | not rated | not rated |
| 55 | 166.25 | 135.82 | 105.76 | 75.88 | 45.63 | not rated |
| 60 | 195.93 | 165.34 | 135.21 | 105.40 | 75.71 | 45.65 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 36.91 | not rated | not rated | not rated | not rated | not rated |
| 40 | 61.35 | 36.83 | not rated | not rated | not rated | not rated |
| 45 | 85.15 | 61.03 | 36.76 | not rated | not rated | not rated |
| 50 | 108.73 | 84.61 | 60.75 | 36.72 | not rated | not rated |
| 55 | 132.22 | 107.98 | 84.14 | 60.56 | 36.71 | not rated |
| 60 | 155.65 | 131.25 | 107.33 | 83.80 | 60.45 | 36.76 |
Nominal rating
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
| Fan connection | Heat rejection [kW] | Fluid flow [m³/h] | Pressure drop [kPa] |
|---|---|---|---|
| High speed (Δ) | 76.573 | 13.29 | 59.9 |
| Low speed (Y) | 61.352 | 10.64 | 40.4 |
Dimensions
| A | 5150 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 4900 mm |
| H | 2400 mm |
| I | 1190 mm |
| K | 5450 mm |
| D IN | 2" |
| D OUT | 2" |
| Length | 5450 mm |
|---|---|
| Width | 1240 mm |
| Height | 1450 mm |
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The data are illustrative and may change without notice. Capacities are interpolated from the manufacturer's rating grid; points the manufacturer did not rate are shown as "not rated" and never estimated.