BC/BD-2X680FC5-B01I C
724.67 kW
Dry cooler BC/BD-2x491GD5-B04 C
Defrost: None
Product code: BC/BD-2x491GD5-B04 C
- Heat rejection i
- 728.05 kW
- Air flow
- 209,969 m³/h
- Fans
- 8 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 209,969 m³/h |
|---|---|
| External surface | 2,785.8 m² |
| Inner volume | 433.1 dm³ |
| Fin material | Aluminium |
| Net weight | 2,051 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 | 99.4 dB(A) |
| Energy class | E |
| Inlet | 6" |
|---|---|
| Outlet | 6" |
| BC/BD-2x491GD5-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)
- 728.051 kW Fluid flow 126.36 m³/h Pressure drop 20.3 kPa
- Heat rejection · Low speed (Y)
- 569.486 kW Fluid flow 98.77 m³/h Pressure drop 13.0 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 | 418.14 | not rated | not rated | not rated | not rated | not rated |
| 40 | 728.05 | 420.69 | not rated | not rated | not rated | not rated |
| 45 | 1028.34 | 727.73 | 422.80 | not rated | not rated | not rated |
| 50 | 1325.38 | 1025.67 | 727.54 | 424.73 | not rated | not rated |
| 55 | 1621.09 | 1320.72 | 1023.54 | 727.64 | 426.68 | not rated |
| 60 | 1915.96 | 1614.38 | 1316.81 | 1022.14 | 728.15 | 428.83 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 330.36 | not rated | not rated | not rated | not rated | not rated |
| 40 | 569.49 | 332.40 | not rated | not rated | not rated | not rated |
| 45 | 800.08 | 569.15 | 334.12 | not rated | not rated | not rated |
| 50 | 1027.86 | 797.91 | 568.92 | 335.72 | not rated | not rated |
| 55 | 1254.34 | 1024.04 | 796.20 | 569.05 | 337.37 | not rated |
| 60 | 1480.09 | 1248.94 | 1020.95 | 795.14 | 569.66 | 339.23 |
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) | 728.051 | 126.36 | 20.3 |
| Low speed (Y) | 569.486 | 98.77 | 13.0 |
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.