BC/BD-350BD5-B09 C
65.40 kW
Dry cooler BC/BD-280AD1-B03 C
Defrost: None
Product code: BC/BD-280AD1-B03 C
- Heat rejection i
- 65.41 kW
- Air flow
- 15,207 m³/h
- Fans
- 2 × ⌀800 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: 2 — Digit 1-9; total fans = fan rows x this digit.
-
E
Fan diameter: 80 — Ø800 mm
-
G
Coil tube rows (2nd dimensional letter): D — 5 tube rows
-
H
Fin spacing: 1 — 2.1 mm
-
I
Generation code: B — generation B
-
J
Fan data (fan motor code): 03 — three-phase 400 V 50 Hz, 12-pole AC fan (in this series)
Data
| Air flow | 15,207 m³/h |
|---|---|
| External surface | 411.4 m² |
| Inner volume | 44.9 dm³ |
| Fin material | Aluminium |
| Net weight | 389 kg |
| Quantity | 2 |
|---|---|
| Diameter | 800 mm |
| Speed | 435 rpm |
| Power | 600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 12 |
| Sound pressure | 35.0 dB(A) |
|---|---|
| Sound power | 67.0 dB(A) |
| Energy class | C |
| Inlet | 1 1/2" |
|---|---|
| Outlet | 1 1/2" |
| BC/BD-280AD1-B03 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)
- 65.412 kW Fluid flow 11.34 m³/h Pressure drop 74.7 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 48.144 kW Fluid flow 8.35 m³/h Pressure drop 43.2 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 | 40.10 | not rated | not rated | not rated | not rated | not rated |
| 40 | 65.41 | 40.13 | not rated | not rated | not rated | not rated |
| 45 | 89.98 | 65.29 | 40.16 | not rated | not rated | not rated |
| 50 | 114.29 | 89.72 | 65.19 | 40.22 | not rated | not rated |
| 55 | 138.50 | 113.91 | 89.51 | 65.16 | 40.33 | not rated |
| 60 | 162.63 | 137.99 | 113.59 | 89.41 | 65.23 | 40.49 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 29.87 | not rated | not rated | not rated | not rated | not rated |
| 40 | 48.14 | 29.92 | not rated | not rated | not rated | not rated |
| 45 | 65.84 | 48.10 | 29.97 | not rated | not rated | not rated |
| 50 | 83.36 | 65.72 | 48.07 | 30.05 | not rated | not rated |
| 55 | 100.79 | 83.16 | 65.64 | 48.12 | 30.18 | not rated |
| 60 | 118.17 | 100.52 | 83.03 | 65.65 | 48.24 | 30.35 |
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) | 65.412 | 11.34 | 74.7 |
| Low speed (Y) | 48.144 | 8.35 | 43.2 |
Dimensions
| A | 2750 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 2500 mm |
| H | 1200 mm |
| I | 1190 mm |
| K | 3050 mm |
| D IN | 1 1/2" |
| D OUT | 1 1/2" |
| Length | 3050 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.