BC/BD-391GD5-B04 C
280.53 kW
Dry cooler BC/BD-980AC1-B03 C
Defrost: None
Product code: BC/BD-980AC1-B03 C
- Heat rejection i
- 280.84 kW
- Air flow
- 73,295 m³/h
- Fans
- 9 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 73,295 m³/h |
|---|---|
| External surface | 1,482.6 m² |
| Inner volume | 176.2 dm³ |
| Fin material | Aluminium |
| Net weight | 1,482 kg |
| Quantity | 9 |
|---|---|
| Diameter | 800 mm |
| Speed | 435 rpm |
| Power | 2,900 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 12 |
| Sound pressure | 41.0 dB(A) |
|---|---|
| Sound power | 73.5 dB(A) |
| Energy class | C |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-980AC1-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)
- 280.839 kW Fluid flow 48.71 m³/h Pressure drop 19.2 kPa
- Heat rejection · Low speed (Y)
- 215.030 kW Fluid flow 37.29 m³/h Pressure drop 11.9 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 | 164.68 | not rated | not rated | not rated | not rated | not rated |
| 40 | 280.84 | 165.61 | not rated | not rated | not rated | not rated |
| 45 | 393.16 | 280.87 | 166.45 | not rated | not rated | not rated |
| 50 | 504.18 | 392.50 | 281.02 | 167.28 | not rated | not rated |
| 55 | 614.61 | 502.89 | 392.09 | 281.35 | 168.18 | not rated |
| 60 | 724.70 | 612.71 | 501.99 | 392.05 | 281.98 | 169.23 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 127.39 | not rated | not rated | not rated | not rated | not rated |
| 40 | 215.03 | 128.24 | not rated | not rated | not rated | not rated |
| 45 | 299.34 | 215.21 | 129.02 | not rated | not rated | not rated |
| 50 | 382.56 | 299.06 | 215.49 | 129.79 | not rated | not rated |
| 55 | 465.27 | 381.87 | 299.00 | 215.95 | 130.64 | not rated |
| 60 | 547.71 | 464.21 | 381.52 | 299.25 | 216.65 | 131.57 |
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) | 280.839 | 48.71 | 19.2 |
| Low speed (Y) | 215.030 | 37.29 | 11.9 |
Dimensions
| A | 11150 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 10900 mm |
| H | 1200 mm |
| I | 1190 mm |
| K | 11450 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 11450 mm |
|---|---|
| Width | 1240 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.