BC/BD-2x491GC5-B04 C
664.24 kW
Dry cooler BC/BD-2X780AC5-B01 C
Defrost: None
Product code: BC/BD-2X780AC5-B01 C
- Heat rejection i
- 664.59 kW
- Air flow
- 236,187 m³/h
- Fans
- 14 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 236,187 m³/h |
|---|---|
| External surface | 1,950.1 m² |
| Inner volume | 331.0 dm³ |
| Fin material | Aluminium |
| Net weight | 2,099 kg |
| Quantity | 14 |
|---|---|
| Diameter | 800 mm |
| Speed | 900 rpm |
| Power | 25,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 60.0 dB(A) |
|---|---|
| Sound power | 93.0 dB(A) |
| Energy class | E |
| Inlet | 6" |
|---|---|
| Outlet | 6" |
| BC/BD-2X780AC5-B01 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)
- 664.586 kW Fluid flow 115.34 m³/h Pressure drop 20.8 kPa
- Heat rejection · Low speed (Y)
- 531.549 kW Fluid flow 92.25 m³/h Pressure drop 13.9 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 | 370.82 | not rated | not rated | not rated | not rated | not rated |
| 40 | 664.59 | 374.73 | not rated | not rated | not rated | not rated |
| 45 | 951.02 | 666.77 | 378.11 | not rated | not rated | not rated |
| 50 | 1235.06 | 951.89 | 668.81 | 381.19 | not rated | not rated |
| 55 | 1518.07 | 1234.75 | 952.83 | 670.90 | 384.19 | not rated |
| 60 | 1800.43 | 1516.65 | 1234.77 | 954.17 | 673.29 | 387.15 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 299.08 | not rated | not rated | not rated | not rated | not rated |
| 40 | 531.55 | 302.13 | not rated | not rated | not rated | not rated |
| 45 | 757.03 | 532.88 | 304.77 | not rated | not rated | not rated |
| 50 | 980.28 | 757.11 | 534.22 | 307.20 | not rated | not rated |
| 55 | 1202.49 | 979.24 | 757.42 | 535.66 | 309.54 | not rated |
| 60 | 1424.15 | 1200.42 | 978.67 | 758.19 | 537.40 | 311.98 |
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) | 664.586 | 115.34 | 20.8 |
| Low speed (Y) | 531.549 | 92.25 | 13.9 |
Dimensions
| A | 8950 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 8500 mm |
| H | 1200 mm |
| I | 2310 mm |
| K | 9450 mm |
| D IN | 6" |
| D OUT | 6" |
| Length | 8950 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.