BC/BD-2x391BC5-B04 C
427.64 kW
Dry cooler BC/BD-691BC5-B04 C
Defrost: None
Product code: BC/BD-691BC5-B04 C
- Heat rejection i
- 427.38 kW
- Air flow
- 149,568 m³/h
- Fans
- 6 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 149,568 m³/h |
|---|---|
| External surface | 1,218.8 m² |
| Inner volume | 184.0 dm³ |
| Fin material | Aluminium |
| Net weight | 1,264 kg |
| Quantity | 6 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 16,800 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 66.0 dB(A) |
|---|---|
| Sound power | 99.0 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-691BC5-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)
- 427.380 kW Fluid flow 74.18 m³/h Pressure drop 34.7 kPa
- Heat rejection · Low speed (Y)
- 339.753 kW Fluid flow 58.97 m³/h Pressure drop 23.0 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 | 242.86 | not rated | not rated | not rated | not rated | not rated |
| 40 | 427.38 | 244.51 | not rated | not rated | not rated | not rated |
| 45 | 607.69 | 427.95 | 245.89 | not rated | not rated | not rated |
| 50 | 786.63 | 607.36 | 428.49 | 247.20 | not rated | not rated |
| 55 | 964.98 | 785.48 | 607.15 | 429.12 | 248.48 | not rated |
| 60 | 1142.94 | 962.99 | 784.57 | 607.20 | 429.96 | 249.84 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 194.83 | not rated | not rated | not rated | not rated | not rated |
| 40 | 339.75 | 196.12 | not rated | not rated | not rated | not rated |
| 45 | 480.81 | 340.12 | 197.29 | not rated | not rated | not rated |
| 50 | 620.63 | 480.43 | 340.54 | 198.37 | not rated | not rated |
| 55 | 759.87 | 619.56 | 480.26 | 341.08 | 199.47 | not rated |
| 60 | 898.77 | 758.13 | 618.83 | 480.37 | 341.87 | 200.67 |
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) | 427.380 | 74.18 | 34.7 |
| Low speed (Y) | 339.753 | 58.97 | 23.0 |
Dimensions
| A | 11050 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 10600 mm |
| H | 1750 mm |
| I | 1190 mm |
| K | 11550 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 11550 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.