BC/BD-2x780DB5-B01 C
628.92 kW
Dry cooler BC/BD-2x691EB5-B04 C
Defrost: None
Product code: BC/BD-2x691EB5-B04 C
- Heat rejection i
- 629.24 kW
- Air flow
- 293,867 m³/h
- Fans
- 12 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 293,867 m³/h |
|---|---|
| External surface | 1,462.5 m² |
| Inner volume | 271.4 dm³ |
| Fin material | Aluminium |
| Net weight | 1,875 kg |
| Quantity | 12 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 33,600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 69.0 dB(A) |
|---|---|
| Sound power | 102.0 dB(A) |
| Energy class | E |
| Inlet | 6" |
|---|---|
| Outlet | 6" |
| BC/BD-2x691EB5-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)
- 629.240 kW Fluid flow 109.21 m³/h Pressure drop 28.2 kPa
- Heat rejection · Low speed (Y)
- 513.176 kW Fluid flow 89.06 m³/h Pressure drop 19.6 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 | 345.88 | not rated | not rated | not rated | not rated | not rated |
| 40 | 629.24 | 349.67 | not rated | not rated | not rated | not rated |
| 45 | 907.31 | 631.76 | 353.03 | not rated | not rated | not rated |
| 50 | 1183.82 | 908.82 | 634.08 | 356.02 | not rated | not rated |
| 55 | 1459.57 | 1184.39 | 910.33 | 636.35 | 358.82 | not rated |
| 60 | 1734.91 | 1459.26 | 1185.16 | 912.02 | 638.72 | 361.55 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 284.15 | not rated | not rated | not rated | not rated | not rated |
| 40 | 513.18 | 287.30 | not rated | not rated | not rated | not rated |
| 45 | 737.17 | 515.20 | 290.07 | not rated | not rated | not rated |
| 50 | 959.54 | 738.28 | 517.07 | 292.61 | not rated | not rated |
| 55 | 1181.26 | 959.88 | 739.48 | 518.96 | 294.99 | not rated |
| 60 | 1402.53 | 1180.85 | 960.50 | 740.90 | 520.99 | 297.35 |
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) | 629.240 | 109.21 | 28.2 |
| Low speed (Y) | 513.176 | 89.06 | 19.6 |
Dimensions
| A | 8950 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 8500 mm |
| H | 1400 mm |
| I | 2310 mm |
| K | 9450 mm |
| D IN | 6" |
| D OUT | 6" |
| Length | 9450 mm |
|---|---|
| Width | 2360 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.