BC/BD-780AC1-B01I C
344.61 kW
Dry cooler BC/BD-2x291MC1-B04 C
Defrost: None
Product code: BC/BD-2x291MC1-B04 C
- Heat rejection i
- 344.53 kW
- Air flow
- 107,088 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 107,088 m³/h |
|---|---|
| External surface | 979.8 m² |
| Inner volume | 135.5 dm³ |
| Fin material | Aluminium |
| Net weight | 905 kg |
| Quantity | 4 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 11,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 64.0 dB(A) |
|---|---|
| Sound power | 96.1 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-2x291MC1-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)
- 344.531 kW Fluid flow 59.80 m³/h Pressure drop 63.0 kPa
- Heat rejection · Low speed (Y)
- 271.732 kW Fluid flow 47.16 m³/h Pressure drop 41.2 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 | 200.38 | not rated | not rated | not rated | not rated | not rated |
| 40 | 344.53 | 201.05 | not rated | not rated | not rated | not rated |
| 45 | 485.11 | 344.18 | 201.61 | not rated | not rated | not rated |
| 50 | 624.54 | 483.88 | 343.91 | 202.16 | not rated | not rated |
| 55 | 763.44 | 622.47 | 482.87 | 343.80 | 202.77 | not rated |
| 60 | 902.02 | 760.55 | 620.75 | 482.16 | 343.92 | 203.46 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 159.32 | not rated | not rated | not rated | not rated | not rated |
| 40 | 271.73 | 159.85 | not rated | not rated | not rated | not rated |
| 45 | 381.04 | 271.44 | 160.32 | not rated | not rated | not rated |
| 50 | 489.30 | 380.00 | 271.21 | 160.80 | not rated | not rated |
| 55 | 597.11 | 487.62 | 379.19 | 271.15 | 161.32 | not rated |
| 60 | 704.69 | 594.81 | 486.27 | 378.68 | 271.28 | 161.95 |
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) | 344.531 | 59.80 | 63.0 |
| Low speed (Y) | 271.732 | 47.16 | 41.2 |
Dimensions
| A | 5150 mm |
|---|---|
| B | 1450 mm |
| C | 2310 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 4900 mm |
| H | 2400 mm |
| I | 2260 mm |
| K | 5450 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 5450 mm |
|---|---|
| Width | 2310 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.