BC/BD-2X250BB1-B09 C
74.56 kW
Dry cooler BC/BD-280KD5-B03 C
Defrost: None
Product code: BC/BD-280KD5-B03 C
- Heat rejection i
- 74.50 kW
- Air flow
- 18,705 m³/h
- Fans
- 2 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 18,705 m³/h |
|---|---|
| External surface | 383.1 m² |
| Inner volume | 48.6 dm³ |
| Fin material | Aluminium |
| Net weight | 425 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-280KD5-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)
- 74.502 kW Fluid flow 12.92 m³/h Pressure drop 49.5 kPa
- Heat rejection · Low speed (Y)
- 56.922 kW Fluid flow 9.87 m³/h Pressure drop 30.6 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 | 45.07 | not rated | not rated | not rated | not rated | not rated |
| 40 | 74.50 | 45.07 | not rated | not rated | not rated | not rated |
| 45 | 103.11 | 74.26 | 45.06 | not rated | not rated | not rated |
| 50 | 131.44 | 102.66 | 74.07 | 45.08 | not rated | not rated |
| 55 | 159.65 | 130.80 | 102.30 | 73.94 | 45.14 | not rated |
| 60 | 187.78 | 158.82 | 130.28 | 102.05 | 73.90 | 45.25 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 34.72 | not rated | not rated | not rated | not rated | not rated |
| 40 | 56.92 | 34.71 | not rated | not rated | not rated | not rated |
| 45 | 78.44 | 56.71 | 34.70 | not rated | not rated | not rated |
| 50 | 99.74 | 78.07 | 56.54 | 34.71 | not rated | not rated |
| 55 | 120.94 | 99.21 | 77.76 | 56.43 | 34.76 | not rated |
| 60 | 142.09 | 120.26 | 98.78 | 77.54 | 56.39 | 34.84 |
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) | 74.502 | 12.92 | 49.5 |
| Low speed (Y) | 56.922 | 9.87 | 30.6 |
Dimensions
| A | 3850 mm |
|---|---|
| B | 1450 mm |
| C | 1230 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 3600 mm |
| H | 1750 mm |
| I | 1180 mm |
| K | 4150 mm |
| D IN | 2" |
| D OUT | 2" |
| Length | 4150 mm |
|---|---|
| Width | 1230 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.