BC/BD-2x680AB1-B03 C
355.31 kW
Dry cooler BC/BD-491HC5-B04 C
Defrost: None
Product code: BC/BD-491HC5-B04 C
- Heat rejection i
- 355.55 kW
- Air flow
- 104,929 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 104,929 m³/h |
|---|---|
| External surface | 1,059.8 m² |
| Inner volume | 236.5 dm³ |
| Fin material | Aluminium |
| Net weight | 1,071 kg |
| Quantity | 4 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 11,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 64.0 dB(A) |
|---|---|
| Sound power | 96.4 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-491HC5-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)
- 355.553 kW Fluid flow 61.71 m³/h Pressure drop 54.5 kPa
- Heat rejection · Low speed (Y)
- 278.369 kW Fluid flow 48.31 m³/h Pressure drop 35.2 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 | 208.95 | not rated | not rated | not rated | not rated | not rated |
| 40 | 355.55 | 209.36 | not rated | not rated | not rated | not rated |
| 45 | 498.59 | 354.95 | 209.71 | not rated | not rated | not rated |
| 50 | 640.47 | 497.10 | 354.47 | 210.08 | not rated | not rated |
| 55 | 781.78 | 638.07 | 495.87 | 354.21 | 210.56 | not rated |
| 60 | 922.81 | 778.58 | 636.11 | 494.96 | 354.23 | 211.18 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 165.16 | not rated | not rated | not rated | not rated | not rated |
| 40 | 278.37 | 165.45 | not rated | not rated | not rated | not rated |
| 45 | 388.53 | 277.83 | 165.72 | not rated | not rated | not rated |
| 50 | 497.72 | 387.32 | 277.45 | 166.05 | not rated | not rated |
| 55 | 606.44 | 495.83 | 386.35 | 277.27 | 166.45 | not rated |
| 60 | 714.91 | 603.90 | 494.31 | 385.74 | 277.35 | 167.02 |
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) | 355.553 | 61.71 | 54.5 |
| Low speed (Y) | 278.369 | 48.31 | 35.2 |
Dimensions
| A | 9950 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 9700 mm |
| H | 2400 mm |
| I | 1190 mm |
| K | 10250 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 10250 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.