BC/BD-2x580AB5-B03 C
272.92 kW
Dry cooler BC/BD-2x291LC5-B04 C
Defrost: None
Product code: BC/BD-2x291LC5-B04 C
- Heat rejection i
- 273.13 kW
- Air flow
- 100,213 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 100,213 m³/h |
|---|---|
| External surface | 605.2 m² |
| Inner volume | 110.1 dm³ |
| Fin material | Aluminium |
| Net weight | 743 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 | 97.0 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-2x291LC5-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)
- 273.132 kW Fluid flow 47.40 m³/h Pressure drop 89.5 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 216.232 kW Fluid flow 37.53 m³/h Pressure drop 59.2 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 | 157.79 | not rated | not rated | not rated | not rated | not rated |
| 40 | 273.13 | 158.46 | not rated | not rated | not rated | not rated |
| 45 | 386.11 | 273.27 | 159.05 | not rated | not rated | not rated |
| 50 | 498.34 | 385.77 | 273.43 | 159.63 | not rated | not rated |
| 55 | 610.20 | 497.53 | 385.54 | 273.67 | 160.22 | not rated |
| 60 | 721.89 | 608.96 | 496.93 | 385.50 | 274.07 | 160.89 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 125.81 | not rated | not rated | not rated | not rated | not rated |
| 40 | 216.23 | 126.38 | not rated | not rated | not rated | not rated |
| 45 | 304.55 | 216.34 | 126.88 | not rated | not rated | not rated |
| 50 | 392.21 | 304.29 | 216.50 | 127.37 | not rated | not rated |
| 55 | 479.54 | 391.58 | 304.15 | 216.74 | 127.90 | not rated |
| 60 | 566.72 | 478.59 | 391.16 | 304.19 | 217.14 | 128.50 |
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) | 273.132 | 47.40 | 89.5 |
| Low speed (Y) | 216.232 | 37.53 | 59.2 |
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 | 4" |
| D OUT | 4" |
| 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.