BC/BD-t-2x391OC1-B04 C
455.66 kW
Dry cooler BC/BD-2x780AD1-B03 C
Defrost: None
Product code: BC/BD-2x780AD1-B03 C
- Heat rejection i
- 455.64 kW
- Air flow
- 106,451 m³/h
- Fans
- 14 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 106,451 m³/h |
|---|---|
| External surface | 2,882.9 m² |
| Inner volume | 362.7 dm³ |
| Fin material | Aluminium |
| Net weight | 2,264 kg |
| Quantity | 14 |
|---|---|
| Diameter | 800 mm |
| Speed | 435 rpm |
| Power | 4,500 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 12 |
| Sound pressure | 43.0 dB(A) |
|---|---|
| Sound power | 76.0 dB(A) |
| Energy class | C |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-2x780AD1-B03 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)
- 455.644 kW Fluid flow 79.03 m³/h Pressure drop 42.7 kPa
- Heat rejection · Low speed (Y)
- 335.561 kW Fluid flow 58.20 m³/h Pressure drop 24.8 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 | 277.78 | not rated | not rated | not rated | not rated | not rated |
| 40 | 455.64 | 278.26 | not rated | not rated | not rated | not rated |
| 45 | 627.88 | 454.94 | 278.66 | not rated | not rated | not rated |
| 50 | 798.29 | 626.21 | 454.36 | 279.23 | not rated | not rated |
| 55 | 967.84 | 795.72 | 624.82 | 454.27 | 280.09 | not rated |
| 60 | 1136.92 | 964.41 | 793.57 | 624.19 | 454.82 | 281.37 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 207.10 | not rated | not rated | not rated | not rated | not rated |
| 40 | 335.56 | 207.62 | not rated | not rated | not rated | not rated |
| 45 | 459.70 | 335.32 | 208.14 | not rated | not rated | not rated |
| 50 | 582.45 | 458.89 | 335.26 | 208.82 | not rated | not rated |
| 55 | 704.56 | 581.13 | 458.40 | 335.62 | 209.77 | not rated |
| 60 | 826.32 | 702.77 | 580.26 | 458.56 | 336.53 | 211.07 |
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) | 455.644 | 79.03 | 42.7 |
| Low speed (Y) | 335.561 | 58.20 | 24.8 |
Dimensions
| A | 8950 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 8500 mm |
| H | 1200 mm |
| I | 2310 mm |
| K | 9450 mm |
| D IN | 5" |
| D OUT | 5" |
| 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.