BC/BD-780DB5-B01 C
314.46 kW
Dry cooler BC/BD-691EB5-B04 C
Defrost: None
Product code: BC/BD-691EB5-B04 C
- Heat rejection i
- 314.62 kW
- Air flow
- 146,933 m³/h
- Fans
- 6 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 146,933 m³/h |
|---|---|
| External surface | 731.3 m² |
| Inner volume | 112.4 dm³ |
| Fin material | Aluminium |
| Net weight | 1,044 kg |
| Quantity | 6 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 16,800 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 67.0 dB(A) |
|---|---|
| Sound power | 99.0 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-691EB5-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)
- 314.620 kW Fluid flow 54.61 m³/h Pressure drop 29.0 kPa
- Heat rejection · Low speed (Y)
- 256.588 kW Fluid flow 44.53 m³/h Pressure drop 20.1 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 | 172.94 | not rated | not rated | not rated | not rated | not rated |
| 40 | 314.62 | 174.84 | not rated | not rated | not rated | not rated |
| 45 | 453.66 | 315.88 | 176.52 | not rated | not rated | not rated |
| 50 | 591.91 | 454.41 | 317.04 | 178.01 | not rated | not rated |
| 55 | 729.78 | 592.20 | 455.17 | 318.18 | 179.41 | not rated |
| 60 | 867.45 | 729.63 | 592.58 | 456.01 | 319.36 | 180.77 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 142.08 | not rated | not rated | not rated | not rated | not rated |
| 40 | 256.59 | 143.65 | not rated | not rated | not rated | not rated |
| 45 | 368.58 | 257.60 | 145.03 | not rated | not rated | not rated |
| 50 | 479.77 | 369.14 | 258.54 | 146.30 | not rated | not rated |
| 55 | 590.63 | 479.94 | 369.74 | 259.48 | 147.49 | not rated |
| 60 | 701.26 | 590.43 | 480.25 | 370.45 | 260.50 | 148.68 |
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) | 314.620 | 54.61 | 29.0 |
| Low speed (Y) | 256.588 | 44.53 | 20.1 |
Dimensions
| A | 8750 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 8500 mm |
| H | 1400 mm |
| I | 1190 mm |
| K | 9050 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 9050 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.