BC/BD-2x180NB1-B03 C
81.65 kW
Dry cooler BC/BD-280NB1-B03 C
Defrost: None
Product code: BC/BD-280NB1-B03 C
- Heat rejection i
- 81.61 kW
- Air flow
- 21,107 m³/h
- Fans
- 2 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 21,107 m³/h |
|---|---|
| External surface | 494.2 m² |
| Inner volume | 56.9 dm³ |
| Fin material | Aluminium |
| Net weight | 495 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-280NB1-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)
- 81.606 kW Fluid flow 14.15 m³/h Pressure drop 67.0 kPa
- Heat rejection · Low speed (Y)
- 65.013 kW Fluid flow 11.28 m³/h Pressure drop 44.7 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 | 49.14 | not rated | not rated | not rated | not rated | not rated |
| 40 | 81.61 | 49.08 | not rated | not rated | not rated | not rated |
| 45 | 113.23 | 81.26 | 49.02 | not rated | not rated | not rated |
| 50 | 144.56 | 112.63 | 80.97 | 48.99 | not rated | not rated |
| 55 | 175.76 | 143.71 | 112.11 | 80.74 | 48.98 | not rated |
| 60 | 206.89 | 174.67 | 142.98 | 111.70 | 80.60 | 49.03 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 39.47 | not rated | not rated | not rated | not rated | not rated |
| 40 | 65.01 | 39.40 | not rated | not rated | not rated | not rated |
| 45 | 89.83 | 64.71 | 39.34 | not rated | not rated | not rated |
| 50 | 114.42 | 89.32 | 64.45 | 39.26 | not rated | not rated |
| 55 | 138.89 | 113.69 | 88.87 | 64.18 | 39.20 | not rated |
| 60 | 163.30 | 137.97 | 113.07 | 88.43 | 63.97 | 39.19 |
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) | 81.606 | 14.15 | 67.0 |
| Low speed (Y) | 65.013 | 11.28 | 44.7 |
Dimensions
| A | 5150 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 4900 mm |
| H | 2400 mm |
| I | 1190 mm |
| K | 5450 mm |
| D IN | 2" |
| D OUT | 2" |
| Length | 5450 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.