BC/BD-t-2x680GB5-B03 C
339.33 kW
Dry cooler BC/BD-491HB1-B04 C
Defrost: None
Product code: BC/BD-491HB1-B04 C
- Heat rejection i
- 339.36 kW
- Air flow
- 107,575 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 107,575 m³/h |
|---|---|
| External surface | 938.2 m² |
| Inner volume | 183.1 dm³ |
| Fin material | Aluminium |
| Net weight | 1,002 kg |
| Quantity | 4 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 11,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 63.0 dB(A) |
|---|---|
| Sound power | 96.1 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-491HB1-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)
- 339.362 kW Fluid flow 58.90 m³/h Pressure drop 79.2 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 269.688 kW Fluid flow 46.81 m³/h Pressure drop 52.6 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 | 198.03 | not rated | not rated | not rated | not rated | not rated |
| 40 | 339.36 | 198.46 | not rated | not rated | not rated | not rated |
| 45 | 477.55 | 338.92 | 198.85 | not rated | not rated | not rated |
| 50 | 614.72 | 476.29 | 338.56 | 199.23 | not rated | not rated |
| 55 | 751.38 | 612.66 | 475.24 | 338.34 | 199.68 | not rated |
| 60 | 887.78 | 748.56 | 610.94 | 474.48 | 338.35 | 200.23 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 158.76 | not rated | not rated | not rated | not rated | not rated |
| 40 | 269.69 | 159.09 | not rated | not rated | not rated | not rated |
| 45 | 377.89 | 269.28 | 159.38 | not rated | not rated | not rated |
| 50 | 485.16 | 376.84 | 268.99 | 159.70 | not rated | not rated |
| 55 | 592.06 | 483.48 | 375.95 | 268.85 | 160.11 | not rated |
| 60 | 698.70 | 589.75 | 482.10 | 375.39 | 268.93 | 160.63 |
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) | 339.362 | 58.90 | 79.2 |
| Low speed (Y) | 269.688 | 46.81 | 52.6 |
Dimensions
| A | 9950 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 9700 mm |
| H | 2400 mm |
| I | 1190 mm |
| K | 10250 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 10250 mm |
|---|---|
| Width | 1240 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.