BC/BD-2x491DD1-B04 C
687.58 kW
Dry cooler BC/BD-2x680CB1-B01 C
Defrost: None
Product code: BC/BD-2x680CB1-B01 C
- Heat rejection i
- 687.96 kW
- Air flow
- 239,518 m³/h
- Fans
- 12 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 239,518 m³/h |
|---|---|
| External surface | 2,162.1 m² |
| Inner volume | 288.3 dm³ |
| Fin material | Aluminium |
| Net weight | 2,106 kg |
| Quantity | 12 |
|---|---|
| Diameter | 800 mm |
| Speed | 900 rpm |
| Power | 21,600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 58.0 dB(A) |
|---|---|
| Sound power | 91.0 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-2x680CB1-B01 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)
- 687.955 kW Fluid flow 119.41 m³/h Pressure drop 46.0 kPa
- Heat rejection · Low speed (Y)
- 549.738 kW Fluid flow 95.42 m³/h Pressure drop 30.7 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 | 390.92 | not rated | not rated | not rated | not rated | not rated |
| 40 | 687.96 | 393.36 | not rated | not rated | not rated | not rated |
| 45 | 978.25 | 688.50 | 395.40 | not rated | not rated | not rated |
| 50 | 1266.36 | 977.18 | 689.05 | 397.32 | not rated | not rated |
| 55 | 1553.50 | 1263.80 | 976.37 | 689.76 | 399.22 | not rated |
| 60 | 1840.03 | 1549.42 | 1261.71 | 976.04 | 690.83 | 401.16 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 315.14 | not rated | not rated | not rated | not rated | not rated |
| 40 | 549.74 | 316.97 | not rated | not rated | not rated | not rated |
| 45 | 778.15 | 549.89 | 318.59 | not rated | not rated | not rated |
| 50 | 1004.58 | 776.90 | 550.10 | 320.07 | not rated | not rated |
| 55 | 1230.09 | 1002.01 | 775.97 | 550.52 | 321.56 | not rated |
| 60 | 1455.04 | 1226.24 | 999.98 | 775.48 | 551.32 | 323.23 |
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) | 687.955 | 119.41 | 46.0 |
| Low speed (Y) | 549.738 | 95.42 | 30.7 |
Dimensions
| A | 11050 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 10600 mm |
| H | 1750 mm |
| I | 2310 mm |
| K | 11550 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 11050 mm |
|---|---|
| Width | 2360 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.