BE-2x280DB1-B01C C
278.59 kW
Dry cooler BE-391DB1-B04 C
Defrost: None
Product code: BE-391DB1-B04 C
- Heat rejection i
- 278.54 kW
- Air flow
- 88,650 m³/h
- Fans
- 3 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 88,650 m³/h |
|---|---|
| External surface | 951.8 m² |
| Inner volume | 117.7 dm³ |
| Fin material | Aluminium |
| Net weight | 1,007 kg |
| Quantity | 3 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 8,400 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 63.0 dB(A) |
|---|---|
| Sound power | 95.0 dB(A) |
| Energy class | E |
| Inlet | 2 1/2" |
|---|---|
| Outlet | 2 1/2" |
| BE-391DB1-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)
- 278.540 kW Fluid flow 48.35 m³/h Pressure drop 60.6 kPa
- Heat rejection · Low speed (Y)
- 223.910 kW Fluid flow 38.86 m³/h Pressure drop 41.1 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 | 162.67 | not rated | not rated | not rated | not rated | not rated |
| 40 | 278.54 | 162.93 | not rated | not rated | not rated | not rated |
| 45 | 391.65 | 277.91 | 163.13 | not rated | not rated | not rated |
| 50 | 503.87 | 390.22 | 277.34 | 163.32 | not rated | not rated |
| 55 | 615.69 | 501.69 | 388.96 | 276.89 | 163.57 | not rated |
| 60 | 727.28 | 612.75 | 499.75 | 387.95 | 276.65 | 163.89 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 131.61 | not rated | not rated | not rated | not rated | not rated |
| 40 | 223.91 | 131.79 | not rated | not rated | not rated | not rated |
| 45 | 313.77 | 223.28 | 131.91 | not rated | not rated | not rated |
| 50 | 402.86 | 312.45 | 222.72 | 132.02 | not rated | not rated |
| 55 | 491.56 | 400.85 | 311.29 | 222.28 | 132.19 | not rated |
| 60 | 580.09 | 488.95 | 399.12 | 310.33 | 222.02 | 132.44 |
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) | 278.540 | 48.35 | 60.6 |
| Low speed (Y) | 223.910 | 38.86 | 41.1 |
Dimensions
| A | 1958 mm |
|---|---|
| B | 1210 mm |
| C | 5860 mm |
| F | 1050 mm |
| G | 6460 mm |
| E1 | 1830 mm |
| E2 | 1800 mm |
| D IN | 2 1/2" |
| D OUT | 2 1/2" |
| Length | 6460 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.