BC/BD-2x391KB5-B04 C
302.52 kW
Dry cooler BC/BD-t-2x280LB1-B01 C
Defrost: None
Product code: BC/BD-t-2x280LB1-B01 C
- Heat rejection i
- 302.46 kW
- Air flow
- 83,267 m³/h
- Fans
- 4 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 83,267 m³/h |
|---|---|
| External surface | 734.8 m² |
| Inner volume | 112.0 dm³ |
| Fin material | Aluminium |
| Net weight | 818 kg |
| Quantity | 4 |
|---|---|
| Diameter | 800 mm |
| Speed | 900 rpm |
| Power | 7,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 54.0 dB(A) |
|---|---|
| Sound power | 86.0 dB(A) |
| Energy class | D |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-t-2x280LB1-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)
- 302.459 kW Fluid flow 52.49 m³/h Pressure drop 65.9 kPa
- Heat rejection · Low speed (Y)
- 236.195 kW Fluid flow 40.97 m³/h Pressure drop 42.4 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 | 177.91 | not rated | not rated | not rated | not rated | not rated |
| 40 | 302.46 | 178.22 | not rated | not rated | not rated | not rated |
| 45 | 423.52 | 301.69 | 178.46 | not rated | not rated | not rated |
| 50 | 543.49 | 421.79 | 300.96 | 178.71 | not rated | not rated |
| 55 | 662.92 | 540.83 | 420.29 | 300.48 | 179.05 | not rated |
| 60 | 782.04 | 659.36 | 538.54 | 419.13 | 300.25 | 179.52 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 140.38 | not rated | not rated | not rated | not rated | not rated |
| 40 | 236.20 | 140.57 | not rated | not rated | not rated | not rated |
| 45 | 329.08 | 235.48 | 140.72 | not rated | not rated | not rated |
| 50 | 420.98 | 327.58 | 234.87 | 140.90 | not rated | not rated |
| 55 | 512.42 | 418.74 | 326.31 | 234.44 | 141.12 | not rated |
| 60 | 603.60 | 509.47 | 416.85 | 325.35 | 234.25 | 141.48 |
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) | 302.459 | 52.49 | 65.9 |
| Low speed (Y) | 236.195 | 40.97 | 42.4 |
Dimensions
| A | 5150 mm |
|---|---|
| B | 1450 mm |
| C | 2310 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 4900 mm |
| H | 2400 mm |
| I | 2260 mm |
| K | 5450 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 5450 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.