BC/BD-2x780AD1-B03 C
455.64 kW
Dry cooler BC/BD-2x680CD5-B03 C
Defrost: None
Product code: BC/BD-2x680CD5-B03 C
- Heat rejection i
- 455.29 kW
- Air flow
- 111,141 m³/h
- Fans
- 12 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 111,141 m³/h |
|---|---|
| External surface | 3,047.0 m² |
| Inner volume | 437.2 dm³ |
| Fin material | Aluminium |
| Net weight | 2,364 kg |
| Quantity | 12 |
|---|---|
| Diameter | 800 mm |
| Speed | 435 rpm |
| Power | 3,800 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 12 |
| Sound pressure | 42.0 dB(A) |
|---|---|
| Sound power | 75.0 dB(A) |
| Energy class | B |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-2x680CD5-B03 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)
- 455.289 kW Fluid flow 78.95 m³/h Pressure drop 11.9 kPa
- Heat rejection · Low speed (Y)
- 346.892 kW Fluid flow 60.21 m³/h Pressure drop 7.2 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 | 269.16 | not rated | not rated | not rated | not rated | not rated |
| 40 | 455.29 | 270.44 | not rated | not rated | not rated | not rated |
| 45 | 633.92 | 454.47 | 271.45 | not rated | not rated | not rated |
| 50 | 810.14 | 631.56 | 453.79 | 272.40 | not rated | not rated |
| 55 | 985.25 | 806.39 | 629.57 | 453.40 | 273.46 | not rated |
| 60 | 1159.75 | 980.18 | 803.22 | 628.17 | 453.52 | 274.77 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 206.73 | not rated | not rated | not rated | not rated | not rated |
| 40 | 346.89 | 207.72 | not rated | not rated | not rated | not rated |
| 45 | 480.39 | 346.00 | 208.51 | not rated | not rated | not rated |
| 50 | 611.92 | 478.22 | 345.28 | 209.27 | not rated | not rated |
| 55 | 742.53 | 608.60 | 476.45 | 344.87 | 210.09 | not rated |
| 60 | 872.66 | 738.15 | 605.89 | 475.23 | 344.88 | 211.11 |
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) | 455.289 | 78.95 | 11.9 |
| Low speed (Y) | 346.892 | 60.21 | 7.2 |
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 | 5" |
| D OUT | 5" |
| 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.