BC/BD-t-663AA5-B01 C
125.84 kW
Dry cooler BC/BD-291LB1-B04 C
Defrost: None
Product code: BC/BD-291LB1-B04 C
- Heat rejection i
- 125.78 kW
- Air flow
- 51,846 m³/h
- Fans
- 2 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 51,846 m³/h |
|---|---|
| External surface | 271.4 m² |
| Inner volume | 35.7 dm³ |
| Fin material | Aluminium |
| Net weight | 403 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 | 93.5 dB(A) |
| Energy class | E |
| Inlet | 2 1/2" |
|---|---|
| Outlet | 2 1/2" |
| BC/BD-291LB1-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)
- 125.780 kW Fluid flow 21.83 m³/h Pressure drop 44.2 kPa
- Heat rejection · Low speed (Y)
- 101.187 kW Fluid flow 17.56 m³/h Pressure drop 30.0 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 | 70.42 | not rated | not rated | not rated | not rated | not rated |
| 40 | 125.78 | 71.02 | not rated | not rated | not rated | not rated |
| 45 | 179.98 | 126.08 | 71.54 | not rated | not rated | not rated |
| 50 | 233.82 | 180.03 | 126.35 | 72.00 | not rated | not rated |
| 55 | 287.50 | 233.64 | 180.10 | 126.63 | 72.44 | not rated |
| 60 | 341.08 | 287.10 | 233.53 | 180.23 | 126.95 | 72.88 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 57.02 | not rated | not rated | not rated | not rated | not rated |
| 40 | 101.19 | 57.52 | not rated | not rated | not rated | not rated |
| 45 | 144.28 | 101.42 | 57.95 | not rated | not rated | not rated |
| 50 | 187.04 | 144.32 | 101.65 | 58.34 | not rated | not rated |
| 55 | 229.64 | 186.89 | 144.39 | 101.90 | 58.73 | not rated |
| 60 | 272.16 | 229.33 | 186.82 | 144.51 | 102.18 | 59.12 |
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) | 125.780 | 21.83 | 44.2 |
| Low speed (Y) | 101.187 | 17.56 | 30.0 |
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.