BC/BD-980AB5-B03 C
243.68 kW
Dry cooler BC/BD-391LD1-B04 C
Defrost: None
Product code: BC/BD-391LD1-B04 C
- Heat rejection i
- 243.67 kW
- Air flow
- 70,565 m³/h
- Fans
- 3 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 70,565 m³/h |
|---|---|
| External surface | 678.5 m² |
| Inner volume | 77.6 dm³ |
| Fin material | Aluminium |
| Net weight | 656 kg |
| Quantity | 3 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 8,400 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 64.0 dB(A) |
|---|---|
| Sound power | 96.2 dB(A) |
| Energy class | E |
| Inlet | 3" |
|---|---|
| Outlet | 3" |
| BC/BD-391LD1-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)
- 243.668 kW Fluid flow 42.29 m³/h Pressure drop 85.3 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- not rated
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 | 143.20 | not rated | not rated | not rated | not rated | not rated |
| 40 | 243.67 | 143.65 | not rated | not rated | not rated | not rated |
| 45 | 341.57 | 243.48 | 144.05 | not rated | not rated | not rated |
| 50 | 438.61 | 340.85 | 243.39 | 144.48 | not rated | not rated |
| 55 | 535.27 | 437.36 | 340.28 | 243.45 | 144.97 | not rated |
| 60 | 631.72 | 533.52 | 436.40 | 340.00 | 243.70 | 145.57 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | not rated | not rated | not rated | not rated | not rated | not rated |
| 40 | not rated | not rated | not rated | not rated | not rated | not rated |
| 45 | not rated | not rated | 111.02 | not rated | not rated | not rated |
| 50 | not rated | not rated | 185.66 | 111.37 | not rated | not rated |
| 55 | not rated | not rated | 258.32 | 185.73 | 111.81 | not rated |
| 60 | not rated | not rated | 330.30 | 258.15 | 186.04 | 112.35 |
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) | 243.668 | 42.29 | 85.3 |
| Low speed (Y) | — | — | — |
Dimensions
| A | 5600 mm |
|---|---|
| B | 1450 mm |
| C | 1230 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 5350 mm |
| H | 1750 mm |
| I | 1180 mm |
| K | 5900 mm |
| D IN | 3" |
| D OUT | 3" |
| Length | 5900 mm |
|---|---|
| Width | 1230 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.