BC/BD-t-2X250AA1-B09 C
70.10 kW
Dry cooler BC/BD-280KC5-B03 C
Defrost: None
Product code: BC/BD-280KC5-B03 C
- Heat rejection i
- 70.11 kW
- Air flow
- 19,452 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): C — 4 tube rows
-
H
Fin spacing: 5 — 2.5 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 | 19,452 m³/h |
|---|---|
| External surface | 306.5 m² |
| Inner volume | 40.0 dm³ |
| Fin material | Aluminium |
| Net weight | 402 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 | B |
| Inlet | 2" |
|---|---|
| Outlet | 2" |
| BC/BD-280KC5-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)
- 70.109 kW Fluid flow 12.17 m³/h Pressure drop 63.5 kPa
- Heat rejection · Low speed (Y)
- 54.454 kW Fluid flow 9.44 m³/h Pressure drop 40.5 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 | 41.88 | not rated | not rated | not rated | not rated | not rated |
| 40 | 70.11 | 41.91 | not rated | not rated | not rated | not rated |
| 45 | 97.61 | 69.94 | 41.93 | not rated | not rated | not rated |
| 50 | 124.88 | 97.26 | 69.79 | 41.97 | not rated | not rated |
| 55 | 152.05 | 124.37 | 96.98 | 69.70 | 42.03 | not rated |
| 60 | 179.16 | 151.37 | 123.94 | 96.77 | 69.68 | 42.13 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 32.78 | not rated | not rated | not rated | not rated | not rated |
| 40 | 54.45 | 32.80 | not rated | not rated | not rated | not rated |
| 45 | 75.53 | 54.31 | 32.82 | not rated | not rated | not rated |
| 50 | 96.41 | 75.24 | 54.19 | 32.84 | not rated | not rated |
| 55 | 117.20 | 95.99 | 75.01 | 54.11 | 32.89 | not rated |
| 60 | 137.95 | 116.65 | 95.64 | 74.84 | 54.10 | 33.00 |
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) | 70.109 | 12.17 | 63.5 |
| Low speed (Y) | 54.454 | 9.44 | 40.5 |
Dimensions
| A | 3850 mm |
|---|---|
| B | 1450 mm |
| C | 1230 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 3600 mm |
| H | 1750 mm |
| I | 1180 mm |
| K | 4150 mm |
| D IN | 2" |
| D OUT | 2" |
| Length | 4150 mm |
|---|---|
| Width | 1230 mm |
| Height | 1450 mm |
Downloads
Ask about product
Our engineers answer with a selection for your conditions.
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.