BC/BD-2x680DC1-B03 C
379.02 kW
Dry cooler BC/BD-491HC1-B04 C
Defrost: None
Product code: BC/BD-491HC1-B04 C
- Heat rejection i
- 378.97 kW
- Air flow
- 103,204 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Model nomenclature
How to read the code of this model.
-
A
Series: BC/BD — BC = vertical, BD = horizontal dry cooler (air flow bottom to top).
-
D
Number of fans per row: 4 — Digit 1-9; total fans = fan rows x this digit.
-
E
Fan diameter: 91 — Ø910 mm
-
G
Coil tube rows (2nd dimensional letter): C — 4 tube rows
-
H
Fin spacing: 1 — 2.1 mm
-
I
Generation code: B — generation B
-
J
Fan data (fan motor code): 04 — three-phase 400 V 50 Hz, 6-pole AC fan (in this series)
Data
| Air flow | 103,204 m³/h |
|---|---|
| External surface | 1,251.0 m² |
| Inner volume | 236.5 dm³ |
| Fin material | Aluminium |
| Net weight | 1,102 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 | 96.6 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-491HC1-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)
- 378.969 kW Fluid flow 65.78 m³/h Pressure drop 61.1 kPa
- Heat rejection · Low speed (Y)
- 292.325 kW Fluid flow 50.70 m³/h Pressure drop 38.4 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 | 224.52 | not rated | not rated | not rated | not rated | not rated |
| 40 | 378.97 | 224.80 | not rated | not rated | not rated | not rated |
| 45 | 529.31 | 378.05 | 225.06 | not rated | not rated | not rated |
| 50 | 678.33 | 527.40 | 377.35 | 225.39 | not rated | not rated |
| 55 | 826.73 | 675.42 | 525.82 | 376.92 | 225.83 | not rated |
| 60 | 974.77 | 822.84 | 673.01 | 524.71 | 376.83 | 226.48 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 175.05 | not rated | not rated | not rated | not rated | not rated |
| 40 | 292.33 | 175.26 | not rated | not rated | not rated | not rated |
| 45 | 406.24 | 291.62 | 175.46 | not rated | not rated | not rated |
| 50 | 519.01 | 404.73 | 291.07 | 175.68 | not rated | not rated |
| 55 | 631.25 | 516.74 | 403.52 | 290.77 | 176.07 | not rated |
| 60 | 743.20 | 628.24 | 514.91 | 402.72 | 290.79 | 176.66 |
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) | 378.969 | 65.78 | 61.1 |
| Low speed (Y) | 292.325 | 50.70 | 38.4 |
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.