BC/BD-2x680DB1-B01 C
578.27 kW
Dry cooler BC/BD-2x391HD5-B04 C
Defrost: None
Product code: BC/BD-2x391HD5-B04 C
- Heat rejection i
- 577.56 kW
- Air flow
- 151,856 m³/h
- Fans
- 6 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 151,856 m³/h |
|---|---|
| External surface | 1,986.8 m² |
| Inner volume | 463.7 dm³ |
| Fin material | Aluminium |
| Net weight | 1,619 kg |
| Quantity | 6 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 16,800 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 66.0 dB(A) |
|---|---|
| Sound power | 98.8 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-2x391HD5-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)
- 577.557 kW Fluid flow 100.18 m³/h Pressure drop 60.3 kPa
- Heat rejection · Low speed (Y)
- 441.115 kW Fluid flow 76.50 m³/h Pressure drop 37.3 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 | 345.50 | not rated | not rated | not rated | not rated | not rated |
| 40 | 577.56 | 345.62 | not rated | not rated | not rated | not rated |
| 45 | 803.52 | 575.96 | 345.80 | not rated | not rated | not rated |
| 50 | 1027.44 | 800.37 | 574.66 | 346.06 | not rated | not rated |
| 55 | 1250.42 | 1022.78 | 797.77 | 573.84 | 346.60 | not rated |
| 60 | 1472.85 | 1244.27 | 1018.92 | 795.91 | 573.61 | 347.40 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 266.72 | not rated | not rated | not rated | not rated | not rated |
| 40 | 441.12 | 266.74 | not rated | not rated | not rated | not rated |
| 45 | 610.51 | 439.86 | 266.87 | not rated | not rated | not rated |
| 50 | 778.22 | 608.07 | 438.89 | 267.14 | not rated | not rated |
| 55 | 945.15 | 774.66 | 606.14 | 438.33 | 267.65 | not rated |
| 60 | 1111.64 | 940.49 | 771.80 | 604.86 | 438.33 | 268.47 |
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) | 577.557 | 100.18 | 60.3 |
| Low speed (Y) | 441.115 | 76.50 | 37.3 |
Dimensions
| A | 7750 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 7300 mm |
| H | 2400 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.