BC/BD-2X780AC5-B01 C
664.59 kW
Dry cooler BC/BD-2x491GC5-B04 C
Defrost: None
Product code: BC/BD-2x491GC5-B04 C
- Heat rejection i
- 664.24 kW
- Air flow
- 216,417 m³/h
- Fans
- 8 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 216,417 m³/h |
|---|---|
| External surface | 2,228.6 m² |
| Inner volume | 337.2 dm³ |
| Fin material | Aluminium |
| Net weight | 1,883 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 | 99.0 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-2x491GC5-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)
- 664.241 kW Fluid flow 115.28 m³/h Pressure drop 28.6 kPa
- Heat rejection · Low speed (Y)
- 531.681 kW Fluid flow 92.27 m³/h Pressure drop 19.0 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 | 377.20 | not rated | not rated | not rated | not rated | not rated |
| 40 | 664.24 | 379.65 | not rated | not rated | not rated | not rated |
| 45 | 943.72 | 664.41 | 381.71 | not rated | not rated | not rated |
| 50 | 1220.79 | 942.03 | 664.60 | 383.57 | not rated | not rated |
| 55 | 1496.74 | 1217.28 | 940.56 | 664.93 | 385.41 | not rated |
| 60 | 1772.01 | 1491.51 | 1214.32 | 939.58 | 665.61 | 387.32 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 304.50 | not rated | not rated | not rated | not rated | not rated |
| 40 | 531.68 | 306.54 | not rated | not rated | not rated | not rated |
| 45 | 751.89 | 531.78 | 308.30 | not rated | not rated | not rated |
| 50 | 969.89 | 750.43 | 531.89 | 309.88 | not rated | not rated |
| 55 | 1186.76 | 966.90 | 749.26 | 532.23 | 311.45 | not rated |
| 60 | 1403.10 | 1182.48 | 964.55 | 748.51 | 532.90 | 313.15 |
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) | 664.241 | 115.28 | 28.6 |
| Low speed (Y) | 531.681 | 92.27 | 19.0 |
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 | 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.