BC/BD-2x291BC1-B04 C
314.37 kW
Dry cooler BC/BD-780DB5-B01 C
Defrost: None
Product code: BC/BD-780DB5-B01 C
- Heat rejection i
- 314.46 kW
- Air flow
- 119,888 m³/h
- Fans
- 7 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 119,888 m³/h |
|---|---|
| External surface | 695.5 m² |
| Inner volume | 163.1 dm³ |
| Fin material | Aluminium |
| Net weight | 1,109 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-780DB5-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)
- 314.461 kW Fluid flow 54.57 m³/h Pressure drop 61.3 kPa
- Heat rejection · Low speed (Y)
- 252.249 kW Fluid flow 43.78 m³/h Pressure drop 41.4 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 | 180.23 | not rated | not rated | not rated | not rated | not rated |
| 40 | 314.46 | 181.23 | not rated | not rated | not rated | not rated |
| 45 | 446.12 | 314.97 | 182.16 | not rated | not rated | not rated |
| 50 | 576.95 | 446.19 | 315.51 | 183.03 | not rated | not rated |
| 55 | 707.38 | 576.60 | 446.39 | 316.15 | 183.93 | not rated |
| 60 | 837.59 | 706.63 | 576.48 | 446.82 | 316.95 | 184.91 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 145.69 | not rated | not rated | not rated | not rated | not rated |
| 40 | 252.25 | 146.43 | not rated | not rated | not rated | not rated |
| 45 | 356.49 | 252.51 | 147.10 | not rated | not rated | not rated |
| 50 | 459.99 | 356.34 | 252.82 | 147.77 | not rated | not rated |
| 55 | 563.13 | 459.45 | 356.33 | 253.22 | 148.46 | not rated |
| 60 | 666.08 | 562.22 | 459.13 | 356.53 | 253.81 | 149.23 |
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) | 314.461 | 54.57 | 61.3 |
| Low speed (Y) | 252.249 | 43.78 | 41.4 |
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 | 7550 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.