BC/BD-491DB1-B04 C
283.65 kW
Dry cooler BC/BD-2x580DB5-B03 C
Defrost: None
Product code: BC/BD-2x580DB5-B03 C
- Heat rejection i
- 284.01 kW
- Air flow
- 85,309 m³/h
- Fans
- 10 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 85,309 m³/h |
|---|---|
| External surface | 993.6 m² |
| Inner volume | 242.6 dm³ |
| Fin material | Aluminium |
| Net weight | 1,407 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-2x580DB5-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)
- 284.013 kW Fluid flow 49.29 m³/h Pressure drop 73.0 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 222.898 kW Fluid flow 38.69 m³/h Pressure drop 47.5 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 | 168.16 | not rated | not rated | not rated | not rated | not rated |
| 40 | 284.01 | 168.53 | not rated | not rated | not rated | not rated |
| 45 | 397.27 | 283.87 | 168.91 | not rated | not rated | not rated |
| 50 | 509.65 | 396.63 | 283.83 | 169.33 | not rated | not rated |
| 55 | 621.64 | 508.55 | 396.22 | 283.97 | 169.85 | not rated |
| 60 | 733.40 | 620.09 | 507.78 | 396.11 | 284.37 | 170.53 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 133.08 | not rated | not rated | not rated | not rated | not rated |
| 40 | 222.90 | 133.31 | not rated | not rated | not rated | not rated |
| 45 | 310.48 | 222.66 | 133.55 | not rated | not rated | not rated |
| 50 | 397.37 | 309.82 | 222.51 | 133.86 | not rated | not rated |
| 55 | 483.91 | 396.31 | 309.38 | 222.56 | 134.25 | not rated |
| 60 | 570.27 | 482.47 | 395.55 | 309.20 | 222.83 | 134.78 |
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) | 284.013 | 49.29 | 73.0 |
| Low speed (Y) | 222.898 | 38.69 | 47.5 |
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.