BC/BD-750BB5-B09 C
113.67 kW
Dry cooler BC/BD-291LB5-B04 C
Defrost: None
Product code: BC/BD-291LB5-B04 C
- Heat rejection i
- 113.56 kW
- Air flow
- 52,693 m³/h
- Fans
- 2 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 52,693 m³/h |
|---|---|
| External surface | 229.9 m² |
| Inner volume | 35.7 dm³ |
| Fin material | Aluminium |
| Net weight | 398 kg |
| Quantity | 2 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 5,600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 61.0 dB(A) |
|---|---|
| Sound power | 93.3 dB(A) |
| Energy class | E |
| Inlet | 2 1/2" |
|---|---|
| Outlet | 2 1/2" |
| BC/BD-291LB5-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)
- 113.561 kW Fluid flow 19.71 m³/h Pressure drop 36.8 kPa
- Heat rejection · Low speed (Y)
- 92.384 kW Fluid flow 16.04 m³/h Pressure drop 25.5 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 | 63.28 | not rated | not rated | not rated | not rated | not rated |
| 40 | 113.56 | 63.85 | not rated | not rated | not rated | not rated |
| 45 | 162.83 | 113.87 | 64.34 | not rated | not rated | not rated |
| 50 | 211.81 | 162.94 | 114.15 | 64.77 | not rated | not rated |
| 55 | 260.64 | 211.73 | 163.06 | 114.44 | 65.18 | not rated |
| 60 | 309.39 | 260.39 | 211.70 | 163.22 | 114.74 | 65.59 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 51.74 | not rated | not rated | not rated | not rated | not rated |
| 40 | 92.38 | 52.23 | not rated | not rated | not rated | not rated |
| 45 | 132.07 | 92.64 | 52.65 | not rated | not rated | not rated |
| 50 | 171.48 | 132.17 | 92.88 | 53.03 | not rated | not rated |
| 55 | 210.76 | 171.42 | 132.27 | 93.13 | 53.38 | not rated |
| 60 | 249.96 | 210.56 | 171.42 | 132.43 | 93.40 | 53.74 |
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) | 113.561 | 19.71 | 36.8 |
| Low speed (Y) | 92.384 | 16.04 | 25.5 |
Dimensions
| A | 3850 mm |
|---|---|
| B | 1450 mm |
| C | 1230 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 3600 mm |
| H | 1750 mm |
| I | 1180 mm |
| K | 4150 mm |
| D IN | 2 1/2" |
| D OUT | 2 1/2" |
| Length | 4150 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.