BC/BD-2x680HC5-B03 C
316.14 kW
Dry cooler BC/BD-780AB1-B01 C
Defrost: None
Product code: BC/BD-780AB1-B01 C
- Heat rejection i
- 316.35 kW
- Air flow
- 123,259 m³/h
- Fans
- 7 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 123,259 m³/h |
|---|---|
| External surface | 864.9 m² |
| Inner volume | 112.4 dm³ |
| Fin material | Aluminium |
| Net weight | 1,113 kg |
| Quantity | 7 |
|---|---|
| Diameter | 800 mm |
| Speed | 900 rpm |
| Power | 12,600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 57.0 dB(A) |
|---|---|
| Sound power | 89.5 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-780AB1-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)
- 316.353 kW Fluid flow 54.91 m³/h Pressure drop 29.3 kPa
- Heat rejection · Low speed (Y)
- 255.662 kW Fluid flow 44.37 m³/h Pressure drop 19.9 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 | 175.33 | not rated | not rated | not rated | not rated | not rated |
| 40 | 316.35 | 177.16 | not rated | not rated | not rated | not rated |
| 45 | 454.31 | 317.44 | 178.77 | not rated | not rated | not rated |
| 50 | 591.32 | 454.80 | 318.46 | 180.25 | not rated | not rated |
| 55 | 727.87 | 591.26 | 455.35 | 319.51 | 181.64 | not rated |
| 60 | 864.17 | 727.29 | 591.38 | 456.06 | 320.65 | 183.07 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 142.91 | not rated | not rated | not rated | not rated | not rated |
| 40 | 255.66 | 144.34 | not rated | not rated | not rated | not rated |
| 45 | 365.54 | 256.39 | 145.58 | not rated | not rated | not rated |
| 50 | 474.48 | 365.68 | 257.07 | 146.73 | not rated | not rated |
| 55 | 582.98 | 474.12 | 365.92 | 257.79 | 147.83 | not rated |
| 60 | 691.24 | 582.14 | 473.94 | 366.32 | 258.63 | 148.97 |
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) | 316.353 | 54.91 | 29.3 |
| Low speed (Y) | 255.662 | 44.37 | 19.9 |
Dimensions
| A | 8950 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 8500 mm |
| H | 1200 mm |
| I | 1190 mm |
| K | 9450 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 8950 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.