BC/BD-680FC1-B01 C
404.34 kW
Dry cooler BC/BD-691BB1-B04 C
Defrost: None
Product code: BC/BD-691BB1-B04 C
- Heat rejection i
- 404.15 kW
- Air flow
- 154,308 m³/h
- Fans
- 6 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 154,308 m³/h |
|---|---|
| External surface | 1,081.1 m² |
| Inner volume | 134.7 dm³ |
| Fin material | Aluminium |
| Net weight | 1,198 kg |
| Quantity | 6 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 16,800 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 66.0 dB(A) |
|---|---|
| Sound power | 98.6 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-691BB1-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)
- 404.152 kW Fluid flow 70.14 m³/h Pressure drop 54.7 kPa
- Heat rejection · Low speed (Y)
- 326.361 kW Fluid flow 56.64 m³/h Pressure drop 37.3 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 | 228.19 | not rated | not rated | not rated | not rated | not rated |
| 40 | 404.15 | 229.73 | not rated | not rated | not rated | not rated |
| 45 | 576.57 | 404.77 | 231.09 | not rated | not rated | not rated |
| 50 | 747.85 | 576.36 | 405.36 | 232.34 | not rated | not rated |
| 55 | 918.59 | 746.86 | 576.27 | 406.02 | 233.58 | not rated |
| 60 | 1089.02 | 916.85 | 746.13 | 576.41 | 406.87 | 234.83 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 185.82 | not rated | not rated | not rated | not rated | not rated |
| 40 | 326.36 | 187.09 | not rated | not rated | not rated | not rated |
| 45 | 463.59 | 326.81 | 188.20 | not rated | not rated | not rated |
| 50 | 599.75 | 463.36 | 327.28 | 189.24 | not rated | not rated |
| 55 | 735.41 | 598.89 | 463.27 | 327.84 | 190.27 | not rated |
| 60 | 870.78 | 733.93 | 598.28 | 463.44 | 328.60 | 191.39 |
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) | 404.152 | 70.14 | 54.7 |
| Low speed (Y) | 326.361 | 56.64 | 37.3 |
Dimensions
| A | 10850 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 10600 mm |
| H | 1750 mm |
| I | 1190 mm |
| K | 11150 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 11150 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.