BC/BD-2x480CB1-B03 C
285.53 kW
Dry cooler BC/BD-491GB5-B04 C
Defrost: None
Product code: BC/BD-491GB5-B04 C
- Heat rejection i
- 285.37 kW
- Air flow
- 111,425 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): B — 3 tube rows
-
H
Fin spacing: 5 — 2.5 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 | 111,425 m³/h |
|---|---|
| External surface | 835.7 m² |
| Inner volume | 125.2 dm³ |
| Fin material | Aluminium |
| Net weight | 956 kg |
| Quantity | 4 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 11,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 63.0 dB(A) |
|---|---|
| Sound power | 96.0 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-491GB5-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)
- 285.367 kW Fluid flow 49.53 m³/h Pressure drop 27.2 kPa
- Heat rejection · Low speed (Y)
- 234.279 kW Fluid flow 40.66 m³/h Pressure drop 19.1 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 | 160.11 | not rated | not rated | not rated | not rated | not rated |
| 40 | 285.37 | 161.30 | not rated | not rated | not rated | not rated |
| 45 | 407.91 | 285.71 | 162.29 | not rated | not rated | not rated |
| 50 | 529.62 | 407.55 | 286.01 | 163.17 | not rated | not rated |
| 55 | 650.92 | 528.60 | 407.26 | 286.34 | 164.01 | not rated |
| 60 | 772.00 | 649.27 | 527.74 | 407.10 | 286.78 | 164.87 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 132.38 | not rated | not rated | not rated | not rated | not rated |
| 40 | 234.28 | 133.33 | not rated | not rated | not rated | not rated |
| 45 | 333.66 | 234.49 | 134.15 | not rated | not rated | not rated |
| 50 | 432.23 | 333.25 | 234.68 | 134.85 | not rated | not rated |
| 55 | 530.44 | 431.26 | 332.92 | 234.91 | 135.54 | not rated |
| 60 | 628.43 | 528.91 | 430.44 | 332.73 | 235.24 | 136.26 |
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) | 285.367 | 49.53 | 27.2 |
| Low speed (Y) | 234.279 | 40.66 | 19.1 |
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.