BE-2x480FD5-B01C C
756.37 kW
Dry cooler BE-991AB1-B04 C
Defrost: None
Product code: BE-991AB1-B04 C
- Heat rejection i
- 755.82 kW
- Air flow
- 253,381 m³/h
- Fans
- 9 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 253,381 m³/h |
|---|---|
| External surface | 2,541.6 m² |
| Inner volume | 321.2 dm³ |
| Fin material | Aluminium |
| Net weight | 2,480 kg |
| Quantity | 9 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 25,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 67.0 dB(A) |
|---|---|
| Sound power | 99.5 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BE-991AB1-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)
- 755.817 kW Fluid flow 131.18 m³/h Pressure drop 41.0 kPa
- Heat rejection · Low speed (Y)
- 612.922 kW Fluid flow 106.38 m³/h Pressure drop 28.1 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 | 431.53 | not rated | not rated | not rated | not rated | not rated |
| 40 | 755.82 | 433.65 | not rated | not rated | not rated | not rated |
| 45 | 1072.47 | 755.58 | 435.45 | not rated | not rated | not rated |
| 50 | 1386.68 | 1070.15 | 755.37 | 437.08 | not rated | not rated |
| 55 | 1699.70 | 1382.37 | 1068.20 | 755.38 | 438.75 | not rated |
| 60 | 2012.11 | 1693.46 | 1378.66 | 1066.74 | 755.83 | 440.51 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 352.83 | not rated | not rated | not rated | not rated | not rated |
| 40 | 612.92 | 354.46 | not rated | not rated | not rated | not rated |
| 45 | 866.02 | 612.40 | 355.81 | not rated | not rated | not rated |
| 50 | 1116.89 | 863.70 | 611.95 | 357.05 | not rated | not rated |
| 55 | 1366.66 | 1112.81 | 861.70 | 611.78 | 358.35 | not rated |
| 60 | 1615.77 | 1360.84 | 1109.35 | 860.25 | 611.98 | 359.78 |
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) | 755.817 | 131.18 | 41.0 |
| Low speed (Y) | 612.922 | 106.38 | 28.1 |
Dimensions
| A | 1958 mm |
|---|---|
| B | 1300 mm |
| C | 11260 mm |
| F | 1150 mm |
| G | 11860 mm |
| E1 | 1230 mm |
| E2 | 1200 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 11860 mm |
|---|---|
| Width | 1300 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.