BC/BD-491KD1-B04 C
272.38 kW
Dry cooler BC/BD-980DC5-B03 C
Defrost: None
Product code: BC/BD-980DC5-B03 C
- Heat rejection i
- 272.46 kW
- Air flow
- 70,746 m³/h
- Fans
- 9 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 70,746 m³/h |
|---|---|
| External surface | 1,192.3 m² |
| Inner volume | 263.2 dm³ |
| Fin material | Aluminium |
| Net weight | 1,478 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-980DC5-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)
- 272.457 kW Fluid flow 47.25 m³/h Pressure drop 37.5 kPa
- Heat rejection · Low speed (Y)
- 206.055 kW Fluid flow 35.73 m³/h Pressure drop 22.8 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 | 163.35 | not rated | not rated | not rated | not rated | not rated |
| 40 | 272.46 | 163.72 | not rated | not rated | not rated | not rated |
| 45 | 378.64 | 272.21 | 164.10 | not rated | not rated | not rated |
| 50 | 483.83 | 377.86 | 272.13 | 164.55 | not rated | not rated |
| 55 | 588.56 | 482.55 | 377.37 | 272.27 | 165.12 | not rated |
| 60 | 693.04 | 586.80 | 481.68 | 377.25 | 272.73 | 165.88 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 124.81 | not rated | not rated | not rated | not rated | not rated |
| 40 | 206.06 | 125.22 | not rated | not rated | not rated | not rated |
| 45 | 284.91 | 206.06 | 125.64 | not rated | not rated | not rated |
| 50 | 362.97 | 284.60 | 206.21 | 126.13 | not rated | not rated |
| 55 | 440.66 | 362.38 | 284.54 | 206.56 | 126.74 | not rated |
| 60 | 518.14 | 439.80 | 362.12 | 284.80 | 207.19 | 127.53 |
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) | 272.457 | 47.25 | 37.5 |
| Low speed (Y) | 206.055 | 35.73 | 22.8 |
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 |
Downloads
Ask about product
Our engineers answer with a selection for your conditions.
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.