BC/BD-2x780EB1-B01 C
714.54 kW
Dry cooler BC/BD-2x491GC1-B04 C
Defrost: None
Product code: BC/BD-2x491GC1-B04 C
- Heat rejection i
- 716.09 kW
- Air flow
- 213,410 m³/h
- Fans
- 8 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 213,410 m³/h |
|---|---|
| External surface | 2,635.8 m² |
| Inner volume | 337.2 dm³ |
| Fin material | Aluminium |
| Net weight | 1,949 kg |
| Quantity | 8 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 22,400 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 66.0 dB(A) |
|---|---|
| Sound power | 99.2 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-2x491GC1-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)
- 716.086 kW Fluid flow 124.27 m³/h Pressure drop 32.8 kPa
- Heat rejection · Low speed (Y)
- 565.263 kW Fluid flow 98.12 m³/h Pressure drop 21.3 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 | 409.70 | not rated | not rated | not rated | not rated | not rated |
| 40 | 716.09 | 412.15 | not rated | not rated | not rated | not rated |
| 45 | 1013.68 | 715.93 | 414.19 | not rated | not rated | not rated |
| 50 | 1308.37 | 1011.31 | 715.79 | 416.07 | not rated | not rated |
| 55 | 1601.61 | 1303.87 | 1009.33 | 715.92 | 417.98 | not rated |
| 60 | 1894.20 | 1595.22 | 1300.15 | 1007.92 | 716.56 | 420.03 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 326.64 | not rated | not rated | not rated | not rated | not rated |
| 40 | 565.26 | 328.59 | not rated | not rated | not rated | not rated |
| 45 | 795.83 | 564.88 | 330.24 | not rated | not rated | not rated |
| 50 | 1023.87 | 793.76 | 564.70 | 331.77 | not rated | not rated |
| 55 | 1250.70 | 1020.17 | 792.10 | 564.82 | 333.34 | not rated |
| 60 | 1476.84 | 1245.47 | 1017.19 | 791.10 | 565.41 | 335.11 |
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) | 716.086 | 124.27 | 32.8 |
| Low speed (Y) | 565.263 | 98.12 | 21.3 |
Dimensions
| A | 10150 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 9700 mm |
| H | 2400 mm |
| I | 2310 mm |
| K | 10650 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 10650 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.