BC/BD-280ND1-B03 C
90.51 kW
Dry cooler BC/BD-t-280LB1-B03 C
Defrost: None
Product code: BC/BD-t-280LB1-B03 C
- Heat rejection i
- 90.53 kW
- Air flow
- 20,738 m³/h
- Fans
- 2 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 20,738 m³/h |
|---|---|
| External surface | 372.2 m² |
| Inner volume | 41.0 dm³ |
| Fin material | Aluminium |
| Net weight | 458 kg |
| Quantity | 2 |
|---|---|
| Diameter | 800 mm |
| Speed | 435 rpm |
| Power | 600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 12 |
| Sound pressure | 35.0 dB(A) |
|---|---|
| Sound power | 67.0 dB(A) |
| Energy class | B |
| Inlet | 2" |
|---|---|
| Outlet | 2" |
| BC/BD-t-280LB1-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)
- 90.528 kW Fluid flow 15.70 m³/h Pressure drop 83.7 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 70.522 kW Fluid flow 12.23 m³/h Pressure drop 53.7 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 | 55.69 | not rated | not rated | not rated | not rated | not rated |
| 40 | 90.53 | 55.52 | not rated | not rated | not rated | not rated |
| 45 | 124.31 | 90.00 | 55.38 | not rated | not rated | not rated |
| 50 | 157.74 | 123.45 | 89.54 | 55.27 | not rated | not rated |
| 55 | 191.02 | 156.57 | 122.71 | 89.18 | 55.22 | not rated |
| 60 | 224.21 | 189.54 | 155.57 | 122.13 | 88.95 | 55.25 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 43.79 | not rated | not rated | not rated | not rated | not rated |
| 40 | 70.52 | 43.66 | not rated | not rated | not rated | not rated |
| 45 | 96.40 | 70.10 | 43.54 | not rated | not rated | not rated |
| 50 | 122.01 | 95.73 | 69.74 | 43.46 | not rated | not rated |
| 55 | 147.50 | 121.10 | 95.16 | 69.47 | 43.42 | not rated |
| 60 | 172.91 | 146.36 | 120.33 | 94.72 | 69.29 | 43.45 |
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) | 90.528 | 15.70 | 83.7 |
| Low speed (Y) | 70.522 | 12.23 | 53.7 |
Dimensions
| A | 5150 mm |
|---|---|
| B | 1450 mm |
| C | 1230 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 4900 mm |
| H | 2400 mm |
| I | 1180 mm |
| K | 5450 mm |
| D IN | 2" |
| D OUT | 2" |
| Length | 5450 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.