BC/BD-391LD5-B04 C
227.67 kW
Dry cooler BC/BD-780AD1-B03 C
Defrost: None
Product code: BC/BD-780AD1-B03 C
- Heat rejection i
- 227.82 kW
- Air flow
- 53,226 m³/h
- Fans
- 7 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 53,226 m³/h |
|---|---|
| External surface | 1,441.4 m² |
| Inner volume | 162.5 dm³ |
| Fin material | Aluminium |
| Net weight | 1,247 kg |
| Quantity | 7 |
|---|---|
| Diameter | 800 mm |
| Speed | 435 rpm |
| Power | 2,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 12 |
| Sound pressure | 40.0 dB(A) |
|---|---|
| Sound power | 72.5 dB(A) |
| Energy class | C |
| Inlet | 3" |
|---|---|
| Outlet | 3" |
| BC/BD-780AD1-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)
- 227.822 kW Fluid flow 39.52 m³/h Pressure drop 46.0 kPa
- Heat rejection · Low speed (Y)
- 167.780 kW Fluid flow 29.10 m³/h Pressure drop 26.6 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 | 138.89 | not rated | not rated | not rated | not rated | not rated |
| 40 | 227.82 | 139.13 | not rated | not rated | not rated | not rated |
| 45 | 313.94 | 227.47 | 139.33 | not rated | not rated | not rated |
| 50 | 399.14 | 313.11 | 227.18 | 139.62 | not rated | not rated |
| 55 | 483.92 | 397.86 | 312.41 | 227.13 | 140.05 | not rated |
| 60 | 568.46 | 482.21 | 396.78 | 312.09 | 227.41 | 140.69 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 103.55 | not rated | not rated | not rated | not rated | not rated |
| 40 | 167.78 | 103.81 | not rated | not rated | not rated | not rated |
| 45 | 229.85 | 167.66 | 104.07 | not rated | not rated | not rated |
| 50 | 291.22 | 229.45 | 167.63 | 104.41 | not rated | not rated |
| 55 | 352.28 | 290.57 | 229.20 | 167.81 | 104.88 | not rated |
| 60 | 413.16 | 351.38 | 290.13 | 229.28 | 168.27 | 105.54 |
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) | 227.822 | 39.52 | 46.0 |
| Low speed (Y) | 167.780 | 29.10 | 26.6 |
Dimensions
| A | 8750 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 8500 mm |
| H | 1200 mm |
| I | 1190 mm |
| K | 9050 mm |
| D IN | 3" |
| D OUT | 3" |
| Length | 9050 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.