BE-t-580GB1-B01 C
389.20 kW
Dry cooler BE-491AC1-B04 C
Defrost: None
Product code: BE-491AC1-B04 C
- Heat rejection i
- 389.48 kW
- Air flow
- 109,602 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 109,602 m³/h |
|---|---|
| External surface | 1,505.3 m² |
| Inner volume | 178.8 dm³ |
| Fin material | Aluminium |
| Net weight | 1,239 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 | D |
| Inlet | 2 1/2" |
|---|---|
| Outlet | 2 1/2" |
| BE-491AC1-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)
- 389.480 kW Fluid flow 67.60 m³/h Pressure drop 73.3 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 307.815 kW Fluid flow 53.39 m³/h Pressure drop 48.1 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 | 229.46 | not rated | not rated | not rated | not rated | not rated |
| 40 | 389.48 | 229.73 | not rated | not rated | not rated | not rated |
| 45 | 545.31 | 388.47 | 229.97 | not rated | not rated | not rated |
| 50 | 699.81 | 543.12 | 387.59 | 230.21 | not rated | not rated |
| 55 | 853.69 | 696.51 | 541.25 | 386.88 | 230.56 | not rated |
| 60 | 1007.19 | 849.26 | 693.65 | 539.79 | 386.59 | 231.11 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 183.19 | not rated | not rated | not rated | not rated | not rated |
| 40 | 307.82 | 183.37 | not rated | not rated | not rated | not rated |
| 45 | 428.92 | 306.95 | 183.53 | not rated | not rated | not rated |
| 50 | 548.84 | 427.13 | 306.21 | 183.70 | not rated | not rated |
| 55 | 668.19 | 546.16 | 425.57 | 305.65 | 183.98 | not rated |
| 60 | 787.24 | 664.65 | 543.83 | 424.36 | 305.40 | 184.39 |
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) | 389.480 | 67.60 | 73.3 |
| Low speed (Y) | 307.815 | 53.39 | 48.1 |
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.