BC/BD-2x380KD1-B01 C
400.84 kW
Dry cooler BC/BD-491HD1-B04 C
Defrost: None
Product code: BC/BD-491HD1-B04 C
- Heat rejection i
- 400.98 kW
- Air flow
- 99,255 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 99,255 m³/h |
|---|---|
| External surface | 1,563.7 m² |
| Inner volume | 289.9 dm³ |
| Fin material | Aluminium |
| Net weight | 1,202 kg |
| Quantity | 4 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 11,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 64.0 dB(A) |
|---|---|
| Sound power | 97.0 dB(A) |
| Energy class | D |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-491HD1-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)
- 400.978 kW Fluid flow 69.54 m³/h Pressure drop 48.3 kPa
- Heat rejection · Low speed (Y)
- 301.729 kW Fluid flow 52.33 m³/h Pressure drop 29.0 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 | 240.91 | not rated | not rated | not rated | not rated | not rated |
| 40 | 400.98 | 240.99 | not rated | not rated | not rated | not rated |
| 45 | 556.34 | 399.81 | 241.17 | not rated | not rated | not rated |
| 50 | 710.10 | 554.00 | 398.87 | 241.42 | not rated | not rated |
| 55 | 863.10 | 706.64 | 552.09 | 398.26 | 241.82 | not rated |
| 60 | 1015.69 | 858.56 | 703.81 | 550.73 | 398.10 | 242.52 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 183.37 | not rated | not rated | not rated | not rated | not rated |
| 40 | 301.73 | 183.46 | not rated | not rated | not rated | not rated |
| 45 | 416.22 | 300.78 | 183.56 | not rated | not rated | not rated |
| 50 | 529.43 | 414.39 | 300.05 | 183.77 | not rated | not rated |
| 55 | 642.05 | 526.78 | 412.95 | 299.63 | 184.14 | not rated |
| 60 | 754.34 | 638.60 | 524.66 | 411.99 | 299.61 | 184.78 |
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) | 400.978 | 69.54 | 48.3 |
| Low speed (Y) | 301.729 | 52.33 | 29.0 |
Dimensions
| A | 9950 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 9700 mm |
| H | 2400 mm |
| I | 1190 mm |
| K | 10250 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 10250 mm |
|---|---|
| Width | 1240 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.