BE-280AB1-B01 C
142.54 kW
Dry cooler BE-291BB5-B04 C
Defrost: None
Product code: BE-291BB5-B04 C
- Heat rejection i
- 143.71 kW
- Air flow
- 57,005 m³/h
- Fans
- 2 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 57,005 m³/h |
|---|---|
| External surface | 358.1 m² |
| Inner volume | 55.0 dm³ |
| Fin material | Aluminium |
| Net weight | 557 kg |
| Quantity | 2 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 5,600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 61.0 dB(A) |
|---|---|
| Sound power | 93.0 dB(A) |
| Energy class | E |
| Inlet | 2" |
|---|---|
| Outlet | 2" |
| BE-291BB5-B04 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)
- 143.706 kW Fluid flow 24.94 m³/h Pressure drop 61.4 kPa
- Heat rejection · Low speed (Y)
- 117.300 kW Fluid flow 20.36 m³/h Pressure drop 42.8 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 | 82.37 | not rated | not rated | not rated | not rated | not rated |
| 40 | 143.71 | 82.72 | not rated | not rated | not rated | not rated |
| 45 | 203.79 | 143.70 | 83.01 | not rated | not rated | not rated |
| 50 | 263.48 | 203.47 | 143.69 | 83.28 | not rated | not rated |
| 55 | 322.99 | 262.87 | 203.20 | 143.71 | 83.54 | not rated |
| 60 | 382.40 | 322.09 | 262.35 | 203.01 | 143.80 | 83.83 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 67.60 | not rated | not rated | not rated | not rated | not rated |
| 40 | 117.30 | 67.88 | not rated | not rated | not rated | not rated |
| 45 | 165.87 | 117.25 | 68.11 | not rated | not rated | not rated |
| 50 | 214.07 | 165.55 | 117.21 | 68.32 | not rated | not rated |
| 55 | 262.13 | 213.50 | 165.27 | 117.21 | 68.52 | not rated |
| 60 | 310.08 | 261.30 | 213.01 | 165.08 | 117.26 | 68.76 |
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) | 143.706 | 24.94 | 61.4 |
| Low speed (Y) | 117.300 | 20.36 | 42.8 |
Dimensions
| A | 1958 mm |
|---|---|
| B | 1210 mm |
| C | 2860 mm |
| F | 1050 mm |
| G | 3460 mm |
| E1 | 1230 mm |
| D IN | 2" |
| D OUT | 2" |
| Length | 3460 mm |
|---|---|
| Width | 1210 mm |
| Height | 1958 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.