BC/BD-391HB1-B04 C
249.87 kW
Dry cooler BC/BD-2x291LB1-B04 C
Defrost: None
Product code: BC/BD-2x291LB1-B04 C
- Heat rejection i
- 249.89 kW
- Air flow
- 103,316 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 103,316 m³/h |
|---|---|
| External surface | 535.8 m² |
| Inner volume | 75.9 dm³ |
| Fin material | Aluminium |
| Net weight | 710 kg |
| Quantity | 4 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 11,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 65.0 dB(A) |
|---|---|
| Sound power | 96.6 dB(A) |
| Energy class | E |
| Inlet | 3" |
|---|---|
| Outlet | 3" |
| BC/BD-2x291LB1-B04 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)
- 249.890 kW Fluid flow 43.37 m³/h Pressure drop 50.4 kPa
- Heat rejection · Low speed (Y)
- 200.951 kW Fluid flow 34.88 m³/h Pressure drop 34.0 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 | 139.89 | not rated | not rated | not rated | not rated | not rated |
| 40 | 249.89 | 141.08 | not rated | not rated | not rated | not rated |
| 45 | 357.60 | 250.50 | 142.12 | not rated | not rated | not rated |
| 50 | 464.57 | 357.71 | 251.05 | 143.05 | not rated | not rated |
| 55 | 571.23 | 464.23 | 357.86 | 251.61 | 143.93 | not rated |
| 60 | 677.70 | 570.48 | 464.03 | 358.13 | 252.25 | 144.81 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 113.22 | not rated | not rated | not rated | not rated | not rated |
| 40 | 200.95 | 114.21 | not rated | not rated | not rated | not rated |
| 45 | 286.54 | 201.43 | 115.08 | not rated | not rated | not rated |
| 50 | 371.47 | 286.63 | 201.89 | 115.87 | not rated | not rated |
| 55 | 456.09 | 371.20 | 286.79 | 202.39 | 116.64 | not rated |
| 60 | 540.56 | 455.49 | 371.07 | 287.05 | 202.97 | 117.42 |
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) | 249.890 | 43.37 | 50.4 |
| Low speed (Y) | 200.951 | 34.88 | 34.0 |
Dimensions
| A | 3850 mm |
|---|---|
| B | 1450 mm |
| C | 2310 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 3600 mm |
| H | 1750 mm |
| I | 2260 mm |
| K | 4150 mm |
| D IN | 3" |
| D OUT | 3" |
| Length | 4150 mm |
|---|---|
| Width | 2310 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.