BC/BD-2x680FC1-B03 C
466.83 kW
Dry cooler BC/BD-791FC5-B04 C
Defrost: None
Product code: BC/BD-791FC5-B04 C
- Heat rejection i
- 465.69 kW
- Air flow
- 152,446 m³/h
- Fans
- 7 × ⌀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: 7 — 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: 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 | 152,446 m³/h |
|---|---|
| External surface | 1,081.9 m² |
| Inner volume | 252.9 dm³ |
| Fin material | Aluminium |
| Net weight | 1,327 kg |
| Quantity | 7 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 19,600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 68.0 dB(A) |
|---|---|
| Sound power | 100.5 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-791FC5-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)
- 465.690 kW Fluid flow 80.82 m³/h Pressure drop 83.2 kPa above the recommended pressure drop
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 | 271.32 | not rated | not rated | not rated | not rated | not rated |
| 40 | 465.69 | 272.46 | not rated | not rated | not rated | not rated |
| 45 | 655.89 | 466.05 | 273.52 | not rated | not rated | not rated |
| 50 | 844.72 | 655.58 | 466.55 | 274.55 | not rated | not rated |
| 55 | 1032.91 | 843.74 | 655.54 | 467.18 | 275.65 | not rated |
| 60 | 1220.76 | 1031.31 | 843.20 | 655.82 | 468.09 | 276.94 |
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) | 465.690 | 80.82 | 83.2 |
Dimensions
| A | 10350 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 9900 mm |
| H | 1400 mm |
| I | 1190 mm |
| K | 10850 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 10850 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.