BC/BD-491HB1-B04 C
339.36 kW
Dry cooler BC/BD-t-2x680GB5-B03 C
Defrost: None
Product code: BC/BD-t-2x680GB5-B03 C
- Heat rejection i
- 339.33 kW
- Air flow
- 97,190 m³/h
- Fans
- 12 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 97,190 m³/h |
|---|---|
| External surface | 817.0 m² |
| Inner volume | 134.0 dm³ |
| Fin material | Aluminium |
| Net weight | 1,442 kg |
| Quantity | 12 |
|---|---|
| Diameter | 800 mm |
| Speed | 435 rpm |
| Power | 3,800 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 12 |
| Sound pressure | 43.0 dB(A) |
|---|---|
| Sound power | 75.0 dB(A) |
| Energy class | C |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-t-2x680GB5-B03 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)
- 339.331 kW Fluid flow 58.89 m³/h Pressure drop 103.2 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 263.546 kW Fluid flow 45.70 m³/h Pressure drop 65.9 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 | 201.08 | not rated | not rated | not rated | not rated | not rated |
| 40 | 339.33 | 201.66 | not rated | not rated | not rated | not rated |
| 45 | 474.21 | 339.26 | 202.25 | not rated | not rated | not rated |
| 50 | 607.93 | 473.51 | 339.32 | 202.88 | not rated | not rated |
| 55 | 741.18 | 606.73 | 473.14 | 339.63 | 203.63 | not rated |
| 60 | 874.13 | 739.44 | 605.94 | 473.17 | 340.22 | 204.59 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 157.70 | not rated | not rated | not rated | not rated | not rated |
| 40 | 263.55 | 158.27 | not rated | not rated | not rated | not rated |
| 45 | 366.58 | 263.68 | 158.85 | not rated | not rated | not rated |
| 50 | 468.67 | 366.34 | 263.94 | 159.50 | not rated | not rated |
| 55 | 570.33 | 468.11 | 366.37 | 264.44 | 160.26 | not rated |
| 60 | 671.75 | 569.45 | 467.91 | 366.75 | 265.21 | 161.20 |
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) | 339.331 | 58.89 | 103.2 |
| Low speed (Y) | 263.546 | 45.70 | 65.9 |
Dimensions
| A | 6650 mm |
|---|---|
| B | 1450 mm |
| C | 2310 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 6400 mm |
| H | 1050 mm |
| I | 2260 mm |
| K | 6950 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 6950 mm |
|---|---|
| Width | 2310 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.