BC/BD-t-391OC1-B04 C
229.71 kW
Dry cooler BC/BD-491KC5-B04 C
Defrost: None
Product code: BC/BD-491KC5-B04 C
- Heat rejection i
- 229.83 kW
- Air flow
- 93,137 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 93,137 m³/h |
|---|---|
| External surface | 490.4 m² |
| Inner volume | 77.6 dm³ |
| Fin material | Aluminium |
| Net weight | 712 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 | 97.4 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-491KC5-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)
- 229.825 kW Fluid flow 39.88 m³/h Pressure drop 18.4 kPa
- Heat rejection · Low speed (Y)
- not rated
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 | 126.04 | not rated | not rated | not rated | not rated | not rated |
| 40 | 229.83 | 127.73 | not rated | not rated | not rated | not rated |
| 45 | 330.90 | 230.83 | 129.16 | not rated | not rated | not rated |
| 50 | 431.15 | 331.43 | 231.74 | 130.44 | not rated | not rated |
| 55 | 531.06 | 431.28 | 331.98 | 232.63 | 131.64 | not rated |
| 60 | 630.75 | 530.82 | 431.53 | 332.62 | 233.58 | 132.79 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | not rated | not rated | not rated | not rated | not rated | not rated |
| 40 | not rated | not rated | not rated | not rated | not rated | not rated |
| 45 | not rated | not rated | not rated | not rated | not rated | not rated |
| 50 | not rated | not rated | not rated | not rated | not rated | not rated |
| 55 | not rated | not rated | not rated | not rated | not rated | not rated |
| 60 | not rated | not rated | not rated | not rated | not rated | 105.73 |
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) | 229.825 | 39.88 | 18.4 |
| Low speed (Y) | — | — | — |
Dimensions
| A | 5950 mm |
|---|---|
| B | 1450 mm |
| C | 1230 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 5700 mm |
| H | 1400 mm |
| I | 1180 mm |
| K | 6250 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 6250 mm |
|---|---|
| Width | 1230 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.