BE-t-2x280GC5-B01C C
288.12 kW
Dry cooler BE-491BB5-B04 C
Defrost: None
Product code: BE-491BB5-B04 C
- Heat rejection i
- 287.43 kW
- Air flow
- 114,010 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 114,010 m³/h |
|---|---|
| External surface | 716.8 m² |
| Inner volume | 107.5 dm³ |
| Fin material | Aluminium |
| Net weight | 1,051 kg |
| Quantity | 4 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 11,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 64.0 dB(A) |
|---|---|
| Sound power | 96.0 dB(A) |
| Energy class | E |
| Inlet | 2 1/2" |
|---|---|
| Outlet | 2 1/2" |
| BE-491BB5-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)
- 287.428 kW Fluid flow 49.88 m³/h Pressure drop 57.9 kPa
- Heat rejection · Low speed (Y)
- 234.607 kW Fluid flow 40.72 m³/h Pressure drop 40.3 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 | 164.68 | not rated | not rated | not rated | not rated | not rated |
| 40 | 287.43 | 165.38 | not rated | not rated | not rated | not rated |
| 45 | 407.66 | 287.42 | 165.98 | not rated | not rated | not rated |
| 50 | 527.11 | 407.03 | 287.41 | 166.53 | not rated | not rated |
| 55 | 646.19 | 525.90 | 406.50 | 287.46 | 167.06 | not rated |
| 60 | 765.07 | 644.40 | 524.85 | 406.12 | 287.64 | 167.63 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 135.15 | not rated | not rated | not rated | not rated | not rated |
| 40 | 234.61 | 135.70 | not rated | not rated | not rated | not rated |
| 45 | 331.79 | 234.52 | 136.17 | not rated | not rated | not rated |
| 50 | 428.26 | 331.16 | 234.44 | 136.60 | not rated | not rated |
| 55 | 524.41 | 427.10 | 330.62 | 234.44 | 137.01 | not rated |
| 60 | 620.37 | 522.76 | 426.13 | 330.24 | 234.55 | 137.50 |
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) | 287.428 | 49.88 | 57.9 |
| Low speed (Y) | 234.607 | 40.72 | 40.3 |
Dimensions
| A | 1958 mm |
|---|---|
| B | 1210 mm |
| C | 5260 mm |
| F | 1050 mm |
| G | 5860 mm |
| E1 | 1230 mm |
| E2 | 1200 mm |
| D IN | 2 1/2" |
| D OUT | 2 1/2" |
| Length | 5860 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.