BC/BD-2x491DC1-B04 C
650.12 kW
Dry cooler BC/BD-2x680DD5-B01 C
Defrost: None
Product code: BC/BD-2x680DD5-B01 C
- Heat rejection i
- 648.47 kW
- Air flow
- 176,607 m³/h
- Fans
- 12 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 176,607 m³/h |
|---|---|
| External surface | 1,986.8 m² |
| Inner volume | 463.7 dm³ |
| Fin material | Aluminium |
| Net weight | 1,992 kg |
| Quantity | 12 |
|---|---|
| Diameter | 800 mm |
| Speed | 900 rpm |
| Power | 21,600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 62.0 dB(A) |
|---|---|
| Sound power | 94.1 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-2x680DD5-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)
- 648.471 kW Fluid flow 112.56 m³/h Pressure drop 74.3 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 493.801 kW Fluid flow 85.65 m³/h Pressure drop 45.6 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 | 386.04 | not rated | not rated | not rated | not rated | not rated |
| 40 | 648.47 | 387.18 | not rated | not rated | not rated | not rated |
| 45 | 904.13 | 648.30 | 388.34 | not rated | not rated | not rated |
| 50 | 1157.65 | 903.02 | 648.60 | 389.69 | not rated | not rated |
| 55 | 1410.13 | 1155.54 | 902.52 | 649.40 | 391.28 | not rated |
| 60 | 1662.04 | 1407.06 | 1154.32 | 902.87 | 650.88 | 393.31 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 297.24 | not rated | not rated | not rated | not rated | not rated |
| 40 | 493.80 | 298.08 | not rated | not rated | not rated | not rated |
| 45 | 684.91 | 493.68 | 298.98 | not rated | not rated | not rated |
| 50 | 874.18 | 683.97 | 493.87 | 299.95 | not rated | not rated |
| 55 | 1062.60 | 872.49 | 683.59 | 494.53 | 301.26 | not rated |
| 60 | 1250.54 | 1060.18 | 871.58 | 683.96 | 495.80 | 302.97 |
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) | 648.471 | 112.56 | 74.3 |
| Low speed (Y) | 493.801 | 85.65 | 45.6 |
Dimensions
| A | 7750 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 7300 mm |
| H | 1200 mm |
| I | 2310 mm |
| K | 8250 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 8250 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.