BC/BD-t-2x280JB1-B01 C
256.17 kW
Dry cooler BC/BD-391GC5-B04 C
Defrost: None
Product code: BC/BD-391GC5-B04 C
- Heat rejection i
- 256.37 kW
- Air flow
- 81,156 m³/h
- Fans
- 3 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 81,156 m³/h |
|---|---|
| External surface | 835.7 m² |
| Inner volume | 125.2 dm³ |
| Fin material | Aluminium |
| Net weight | 792 kg |
| Quantity | 3 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 8,400 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 63.0 dB(A) |
|---|---|
| Sound power | 95.0 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-391GC5-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)
- 256.368 kW Fluid flow 44.50 m³/h Pressure drop 62.5 kPa
- Heat rejection · Low speed (Y)
- 204.882 kW Fluid flow 35.56 m³/h Pressure drop 42.0 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 | 149.42 | not rated | not rated | not rated | not rated | not rated |
| 40 | 256.37 | 149.77 | not rated | not rated | not rated | not rated |
| 45 | 360.86 | 256.01 | 150.08 | not rated | not rated | not rated |
| 50 | 464.56 | 359.85 | 255.70 | 150.38 | not rated | not rated |
| 55 | 567.87 | 462.92 | 358.99 | 255.51 | 150.73 | not rated |
| 60 | 670.98 | 565.62 | 461.52 | 358.37 | 255.52 | 151.16 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 120.48 | not rated | not rated | not rated | not rated | not rated |
| 40 | 204.88 | 120.76 | not rated | not rated | not rated | not rated |
| 45 | 287.13 | 204.57 | 121.01 | not rated | not rated | not rated |
| 50 | 368.63 | 286.29 | 204.33 | 121.28 | not rated | not rated |
| 55 | 449.83 | 367.30 | 285.59 | 204.21 | 121.59 | not rated |
| 60 | 530.84 | 448.01 | 366.20 | 285.13 | 204.26 | 121.99 |
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) | 256.368 | 44.50 | 62.5 |
| Low speed (Y) | 204.882 | 35.56 | 42.0 |
Dimensions
| A | 7550 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 7300 mm |
| H | 2400 mm |
| I | 1190 mm |
| K | 7850 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 7850 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.