BC/BD-2X680EC1-B01I C
679.09 kW
Dry cooler BC/BD-2x491HB1-B04 C
Defrost: None
Product code: BC/BD-2x491HB1-B04 C
- Heat rejection i
- 678.72 kW
- Air flow
- 215,151 m³/h
- Fans
- 8 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 215,151 m³/h |
|---|---|
| External surface | 1,876.5 m² |
| Inner volume | 385.0 dm³ |
| Fin material | Aluminium |
| Net weight | 1,810 kg |
| Quantity | 8 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 22,400 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 66.0 dB(A) |
|---|---|
| Sound power | 99.1 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-2x491HB1-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)
- 678.723 kW Fluid flow 117.81 m³/h Pressure drop 84.1 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 539.375 kW Fluid flow 93.61 m³/h Pressure drop 55.8 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 | 396.06 | not rated | not rated | not rated | not rated | not rated |
| 40 | 678.72 | 396.93 | not rated | not rated | not rated | not rated |
| 45 | 955.10 | 677.83 | 397.69 | not rated | not rated | not rated |
| 50 | 1229.43 | 952.58 | 677.11 | 398.46 | not rated | not rated |
| 55 | 1502.76 | 1225.32 | 950.47 | 676.68 | 399.35 | not rated |
| 60 | 1775.56 | 1497.11 | 1221.87 | 948.96 | 676.70 | 400.46 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 317.52 | not rated | not rated | not rated | not rated | not rated |
| 40 | 539.38 | 318.17 | not rated | not rated | not rated | not rated |
| 45 | 755.79 | 538.57 | 318.76 | not rated | not rated | not rated |
| 50 | 970.33 | 753.69 | 537.97 | 319.41 | not rated | not rated |
| 55 | 1184.12 | 966.97 | 751.89 | 537.70 | 320.22 | not rated |
| 60 | 1397.40 | 1179.49 | 964.19 | 750.78 | 537.85 | 321.26 |
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) | 678.723 | 117.81 | 84.1 |
| Low speed (Y) | 539.375 | 93.61 | 55.8 |
Dimensions
| A | 10150 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 9700 mm |
| H | 2400 mm |
| I | 2310 mm |
| K | 10650 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 10650 mm |
|---|---|
| Width | 2360 mm |
| Height | 1450 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.