BC/BD-2x380NC1-B01 C
456.51 kW
Dry cooler BC/BD-691DC5-B04 C
Defrost: None
Product code: BC/BD-691DC5-B04 C
- Heat rejection i
- 456.50 kW
- Air flow
- 142,780 m³/h
- Fans
- 6 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 142,780 m³/h |
|---|---|
| External surface | 1,159.2 m² |
| Inner volume | 268.5 dm³ |
| Fin material | Aluminium |
| Net weight | 1,297 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 | 99.1 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-691DC5-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)
- 456.496 kW Fluid flow 79.23 m³/h Pressure drop 85.6 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 354.031 kW Fluid flow 61.45 m³/h Pressure drop 54.6 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 | 267.71 | not rated | not rated | not rated | not rated | not rated |
| 40 | 456.50 | 268.40 | not rated | not rated | not rated | not rated |
| 45 | 641.09 | 456.22 | 269.05 | not rated | not rated | not rated |
| 50 | 824.32 | 639.93 | 456.08 | 269.79 | not rated | not rated |
| 55 | 1006.89 | 822.30 | 639.09 | 456.25 | 270.64 | not rated |
| 60 | 1189.12 | 1004.05 | 820.75 | 638.75 | 456.82 | 271.68 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 209.66 | not rated | not rated | not rated | not rated | not rated |
| 40 | 354.03 | 210.17 | not rated | not rated | not rated | not rated |
| 45 | 494.80 | 353.75 | 210.76 | not rated | not rated | not rated |
| 50 | 634.42 | 493.82 | 353.78 | 211.35 | not rated | not rated |
| 55 | 773.50 | 632.78 | 493.35 | 353.96 | 212.06 | not rated |
| 60 | 912.29 | 771.23 | 631.86 | 493.17 | 354.42 | 212.98 |
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) | 456.496 | 79.23 | 85.6 |
| Low speed (Y) | 354.031 | 61.45 | 54.6 |
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.