BC/BD-691FB1-B04 C
378.64 kW
Dry cooler BC/BD-591BC1-B04 C
Defrost: None
Product code: BC/BD-591BC1-B04 C
- Heat rejection i
- 378.77 kW
- Air flow
- 121,975 m³/h
- Fans
- 5 × ⌀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: 5 — 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 | 121,975 m³/h |
|---|---|
| External surface | 1,201.2 m² |
| Inner volume | 147.1 dm³ |
| Fin material | Aluminium |
| Net weight | 1,092 kg |
| Quantity | 5 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 14,000 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 65.0 dB(A) |
|---|---|
| Sound power | 98.0 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-591BC1-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)
- 378.774 kW Fluid flow 65.74 m³/h Pressure drop 28.2 kPa
- Heat rejection · Low speed (Y)
- 296.989 kW Fluid flow 51.55 m³/h Pressure drop 18.2 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 | 213.53 | not rated | not rated | not rated | not rated | not rated |
| 40 | 378.77 | 215.36 | not rated | not rated | not rated | not rated |
| 45 | 539.60 | 379.43 | 216.94 | not rated | not rated | not rated |
| 50 | 698.95 | 539.31 | 380.10 | 218.40 | not rated | not rated |
| 55 | 857.65 | 697.80 | 539.18 | 380.84 | 219.84 | not rated |
| 60 | 1015.96 | 855.64 | 696.96 | 539.34 | 381.79 | 221.31 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 169.18 | not rated | not rated | not rated | not rated | not rated |
| 40 | 296.99 | 170.62 | not rated | not rated | not rated | not rated |
| 45 | 420.71 | 297.41 | 171.88 | not rated | not rated | not rated |
| 50 | 543.06 | 420.31 | 297.88 | 173.07 | not rated | not rated |
| 55 | 664.83 | 542.00 | 420.16 | 298.46 | 174.23 | not rated |
| 60 | 786.24 | 663.11 | 541.28 | 420.29 | 299.25 | 175.46 |
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) | 378.774 | 65.74 | 28.2 |
| Low speed (Y) | 296.989 | 51.55 | 18.2 |
Dimensions
| A | 9100 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 8850 mm |
| H | 1750 mm |
| I | 1190 mm |
| K | 9400 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 9400 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.