BC/BD-780AC5-B01I C
320.45 kW
Dry cooler BC/BD-2x580AC1-B03 C
Defrost: None
Product code: BC/BD-2x580AC1-B03 C
- Heat rejection i
- 320.55 kW
- Air flow
- 81,438 m³/h
- Fans
- 10 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 81,438 m³/h |
|---|---|
| External surface | 1,646.8 m² |
| Inner volume | 211.2 dm³ |
| Fin material | Aluminium |
| Net weight | 1,525 kg |
| Quantity | 10 |
|---|---|
| Diameter | 800 mm |
| Speed | 435 rpm |
| Power | 3,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 12 |
| Sound pressure | 42.0 dB(A) |
|---|---|
| Sound power | 74.0 dB(A) |
| Energy class | C |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-2x580AC1-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)
- 320.553 kW Fluid flow 55.60 m³/h Pressure drop 73.8 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 244.860 kW Fluid flow 42.46 m³/h Pressure drop 45.8 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 | 193.01 | not rated | not rated | not rated | not rated | not rated |
| 40 | 320.55 | 193.30 | not rated | not rated | not rated | not rated |
| 45 | 444.63 | 320.07 | 193.62 | not rated | not rated | not rated |
| 50 | 567.55 | 443.47 | 319.78 | 193.98 | not rated | not rated |
| 55 | 689.93 | 565.74 | 442.65 | 319.77 | 194.55 | not rated |
| 60 | 812.00 | 687.50 | 564.43 | 442.30 | 320.15 | 195.37 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 149.00 | not rated | not rated | not rated | not rated | not rated |
| 40 | 244.86 | 149.33 | not rated | not rated | not rated | not rated |
| 45 | 337.87 | 244.67 | 149.69 | not rated | not rated | not rated |
| 50 | 429.93 | 337.24 | 244.65 | 150.15 | not rated | not rated |
| 55 | 521.56 | 428.91 | 336.92 | 244.89 | 150.75 | not rated |
| 60 | 612.95 | 520.16 | 428.30 | 336.98 | 245.44 | 151.50 |
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) | 320.553 | 55.60 | 73.8 |
| Low speed (Y) | 244.860 | 42.46 | 45.8 |
Dimensions
| A | 6350 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 6100 mm |
| H | 1200 mm |
| I | 2310 mm |
| K | 6650 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 6650 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.