BC/BD-2x780AC5-B03 C
427.87 kW
Dry cooler BC/BD-2x391BC5-B04 C
Defrost: None
Product code: BC/BD-2x391BC5-B04 C
- Heat rejection i
- 427.64 kW
- Air flow
- 149,568 m³/h
- Fans
- 6 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 149,568 m³/h |
|---|---|
| External surface | 1,218.8 m² |
| Inner volume | 213.8 dm³ |
| Fin material | Aluminium |
| Net weight | 1,187 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 | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-2x391BC5-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)
- 427.644 kW Fluid flow 74.23 m³/h Pressure drop 36.0 kPa
- Heat rejection · Low speed (Y)
- 339.950 kW Fluid flow 59.01 m³/h Pressure drop 23.9 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 | 243.13 | not rated | not rated | not rated | not rated | not rated |
| 40 | 427.64 | 244.77 | not rated | not rated | not rated | not rated |
| 45 | 607.94 | 428.20 | 246.14 | not rated | not rated | not rated |
| 50 | 786.88 | 607.60 | 428.73 | 247.43 | not rated | not rated |
| 55 | 965.22 | 785.73 | 607.39 | 429.35 | 248.70 | not rated |
| 60 | 1143.19 | 963.23 | 784.81 | 607.43 | 430.19 | 250.05 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 195.04 | not rated | not rated | not rated | not rated | not rated |
| 40 | 339.95 | 196.32 | not rated | not rated | not rated | not rated |
| 45 | 481.00 | 340.31 | 197.47 | not rated | not rated | not rated |
| 50 | 620.81 | 480.61 | 340.72 | 198.55 | not rated | not rated |
| 55 | 760.05 | 619.73 | 480.44 | 341.25 | 199.64 | not rated |
| 60 | 898.94 | 758.31 | 619.00 | 480.54 | 342.04 | 200.84 |
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) | 427.644 | 74.23 | 36.0 |
| Low speed (Y) | 339.950 | 59.01 | 23.9 |
Dimensions
| A | 5800 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 5350 mm |
| H | 1750 mm |
| I | 2310 mm |
| K | 6300 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 6300 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.