BC/BD-2x680AC5-B03 C
364.04 kW
Dry cooler BC/BD-491GD5-B04 C
Defrost: None
Product code: BC/BD-491GD5-B04 C
- Heat rejection i
- 364.03 kW
- Air flow
- 104,984 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 104,984 m³/h |
|---|---|
| External surface | 1,392.9 m² |
| Inner volume | 193.3 dm³ |
| Fin material | Aluminium |
| Net weight | 1,125 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-491GD5-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)
- 364.026 kW Fluid flow 63.18 m³/h Pressure drop 21.3 kPa
- Heat rejection · Low speed (Y)
- 284.743 kW Fluid flow 49.38 m³/h Pressure drop 13.6 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 | 209.07 | not rated | not rated | not rated | not rated | not rated |
| 40 | 364.03 | 210.34 | not rated | not rated | not rated | not rated |
| 45 | 514.17 | 363.87 | 211.40 | not rated | not rated | not rated |
| 50 | 662.69 | 512.83 | 363.77 | 212.37 | not rated | not rated |
| 55 | 810.55 | 660.36 | 511.77 | 363.82 | 213.34 | not rated |
| 60 | 957.98 | 807.19 | 658.40 | 511.07 | 364.08 | 214.42 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 165.18 | not rated | not rated | not rated | not rated | not rated |
| 40 | 284.74 | 166.20 | not rated | not rated | not rated | not rated |
| 45 | 400.04 | 284.57 | 167.06 | not rated | not rated | not rated |
| 50 | 513.93 | 398.96 | 284.46 | 167.86 | not rated | not rated |
| 55 | 627.17 | 512.02 | 398.10 | 284.53 | 168.69 | not rated |
| 60 | 740.04 | 624.47 | 510.47 | 397.57 | 284.83 | 169.62 |
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) | 364.026 | 63.18 | 21.3 |
| Low speed (Y) | 284.743 | 49.38 | 13.6 |
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.