BC/BD-2X680FC5-B01 C
764.14 kW
Dry cooler BC/BD-2x491HD5-B04 C
Defrost: None
Product code: BC/BD-2x491HD5-B04 C
- Heat rejection i
- 765.78 kW
- Air flow
- 202,475 m³/h
- Fans
- 8 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 202,475 m³/h |
|---|---|
| External surface | 2,649.6 m² |
| Inner volume | 626.3 dm³ |
| Fin material | Aluminium |
| Net weight | 2,132 kg |
| Quantity | 8 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 22,400 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 67.0 dB(A) |
|---|---|
| Sound power | 99.8 dB(A) |
| Energy class | E |
| Inlet | 6" |
|---|---|
| Outlet | 6" |
| BC/BD-2x491HD5-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)
- 765.782 kW Fluid flow 132.80 m³/h Pressure drop 43.4 kPa
- Heat rejection · Low speed (Y)
- 585.186 kW Fluid flow 101.49 m³/h Pressure drop 26.8 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 | 455.78 | not rated | not rated | not rated | not rated | not rated |
| 40 | 765.78 | 456.33 | not rated | not rated | not rated | not rated |
| 45 | 1067.39 | 763.93 | 456.80 | not rated | not rated | not rated |
| 50 | 1366.15 | 1063.41 | 762.42 | 457.43 | not rated | not rated |
| 55 | 1663.61 | 1360.13 | 1060.13 | 761.51 | 458.33 | not rated |
| 60 | 1960.30 | 1655.58 | 1355.14 | 1057.81 | 761.36 | 459.63 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 352.07 | not rated | not rated | not rated | not rated | not rated |
| 40 | 585.19 | 352.35 | not rated | not rated | not rated | not rated |
| 45 | 811.32 | 583.70 | 352.77 | not rated | not rated | not rated |
| 50 | 1035.11 | 808.23 | 582.57 | 353.31 | not rated | not rated |
| 55 | 1257.81 | 1030.50 | 805.78 | 581.96 | 354.11 | not rated |
| 60 | 1479.90 | 1251.72 | 1026.81 | 804.19 | 582.07 | 355.35 |
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) | 765.782 | 132.80 | 43.4 |
| Low speed (Y) | 585.186 | 101.49 | 26.8 |
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 | 6" |
| D OUT | 6" |
| 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.