BC/BD-2x280KB5-B03 C
124.08 kW
Dry cooler BC/BD-t-291OB5-B04 C
Defrost: None
Product code: BC/BD-t-291OB5-B04 C
- Heat rejection i
- 124.14 kW
- Air flow
- 47,307 m³/h
- Fans
- 2 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 47,307 m³/h |
|---|---|
| External surface | 183.9 m² |
| Inner volume | 30.5 dm³ |
| Fin material | Aluminium |
| Net weight | 359 kg |
| Quantity | 2 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 5,600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 62.0 dB(A) |
|---|---|
| Sound power | 94.2 dB(A) |
| Energy class | E |
| Inlet | 2 1/2" |
|---|---|
| Outlet | 2 1/2" |
| BC/BD-t-291OB5-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)
- 124.135 kW Fluid flow 21.54 m³/h Pressure drop 84.0 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 | 70.60 | not rated | not rated | not rated | not rated | not rated |
| 40 | 124.14 | 71.05 | not rated | not rated | not rated | not rated |
| 45 | 176.60 | 124.35 | 71.45 | not rated | not rated | not rated |
| 50 | 228.73 | 176.60 | 124.56 | 71.83 | not rated | not rated |
| 55 | 280.69 | 228.53 | 176.65 | 124.80 | 72.21 | not rated |
| 60 | 332.56 | 280.30 | 228.41 | 176.77 | 125.10 | 72.62 |
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 | 57.05 | not rated | not rated | not rated | not rated |
| 45 | not rated | 98.98 | 57.38 | not rated | not rated | not rated |
| 50 | not rated | 139.96 | 99.14 | 57.70 | not rated | not rated |
| 55 | not rated | 180.64 | 139.99 | 99.37 | 58.03 | not rated |
| 60 | not rated | 221.18 | 180.55 | 140.15 | 99.65 | 58.38 |
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) | 124.135 | 21.54 | 84.0 |
| Low speed (Y) | — | — | — |
Dimensions
| A | 3150 mm |
|---|---|
| B | 1450 mm |
| C | 1230 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 2900 mm |
| H | 1400 mm |
| I | 1180 mm |
| K | 3450 mm |
| D IN | 2 1/2" |
| D OUT | 2 1/2" |
| Length | 3450 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.