BC/BD-891ED5-B04 C
550.73 kW
Dry cooler BC/BD-2x491BB1-B04 C
Defrost: None
Product code: BC/BD-2x491BB1-B04 C
- Heat rejection i
- 550.66 kW
- Air flow
- 205,745 m³/h
- Fans
- 8 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 205,745 m³/h |
|---|---|
| External surface | 1,441.4 m² |
| Inner volume | 213.8 dm³ |
| Fin material | Aluminium |
| Net weight | 1,467 kg |
| Quantity | 8 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 22,400 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 67.0 dB(A) |
|---|---|
| Sound power | 99.6 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-2x491BB1-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)
- 550.655 kW Fluid flow 95.56 m³/h Pressure drop 115.3 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 444.181 kW Fluid flow 77.09 m³/h Pressure drop 78.8 kPa above the recommended pressure drop
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 | 316.49 | not rated | not rated | not rated | not rated | not rated |
| 40 | 550.66 | 317.84 | not rated | not rated | not rated | not rated |
| 45 | 780.30 | 550.87 | 319.01 | not rated | not rated | not rated |
| 50 | 1008.48 | 779.49 | 551.16 | 320.13 | not rated | not rated |
| 55 | 1235.97 | 1006.69 | 778.93 | 551.58 | 321.29 | not rated |
| 60 | 1463.07 | 1233.21 | 1005.28 | 778.71 | 552.28 | 322.58 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 257.43 | not rated | not rated | not rated | not rated | not rated |
| 40 | 444.18 | 258.48 | not rated | not rated | not rated | not rated |
| 45 | 626.85 | 444.29 | 259.46 | not rated | not rated | not rated |
| 50 | 808.19 | 626.12 | 444.49 | 260.39 | not rated | not rated |
| 55 | 988.90 | 806.66 | 625.66 | 444.90 | 261.40 | not rated |
| 60 | 1169.28 | 986.61 | 805.53 | 625.56 | 445.58 | 262.55 |
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) | 550.655 | 95.56 | 115.3 |
| Low speed (Y) | 444.181 | 77.09 | 78.8 |
Dimensions
| A | 7550 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 7100 mm |
| H | 1750 mm |
| I | 2310 mm |
| K | 8050 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 8050 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.