BC/BD-2x980AB5-B01 C
758.85 kW
Dry cooler BC/BD-2x691DB5-B04 C
Defrost: None
Product code: BC/BD-2x691DB5-B04 C
- Heat rejection i
- 759.96 kW
- Air flow
- 302,501 m³/h
- Fans
- 12 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 302,501 m³/h |
|---|---|
| External surface | 1,738.8 m² |
| Inner volume | 442.9 dm³ |
| Fin material | Aluminium |
| Net weight | 2,161 kg |
| Quantity | 12 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 33,600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 69.0 dB(A) |
|---|---|
| Sound power | 101.9 dB(A) |
| Energy class | E |
| Inlet | 6" |
|---|---|
| Outlet | 6" |
| BC/BD-2x691DB5-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)
- 759.964 kW Fluid flow 131.91 m³/h Pressure drop 20.8 kPa
- Heat rejection · Low speed (Y)
- 608.661 kW Fluid flow 105.63 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 | 420.76 | not rated | not rated | not rated | not rated | not rated |
| 40 | 759.96 | 425.01 | not rated | not rated | not rated | not rated |
| 45 | 1091.86 | 762.27 | 428.70 | not rated | not rated | not rated |
| 50 | 1421.47 | 1092.58 | 764.40 | 432.08 | not rated | not rated |
| 55 | 1750.09 | 1420.78 | 1093.42 | 766.54 | 435.21 | not rated |
| 60 | 2078.06 | 1747.95 | 1420.41 | 1094.59 | 768.90 | 438.33 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 339.66 | not rated | not rated | not rated | not rated | not rated |
| 40 | 608.66 | 343.18 | not rated | not rated | not rated | not rated |
| 45 | 870.87 | 610.49 | 346.24 | not rated | not rated | not rated |
| 50 | 1130.85 | 871.40 | 612.26 | 349.03 | not rated | not rated |
| 55 | 1389.89 | 1130.21 | 872.10 | 614.08 | 351.75 | not rated |
| 60 | 1648.32 | 1388.14 | 1130.03 | 873.18 | 616.15 | 354.37 |
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) | 759.964 | 131.91 | 20.8 |
| Low speed (Y) | 608.661 | 105.63 | 13.9 |
Dimensions
| A | 11050 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 10600 mm |
| H | 1750 mm |
| I | 2310 mm |
| K | 11550 mm |
| D IN | 6" |
| D OUT | 6" |
| Length | 11550 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.