KA/KB-491FB1-B04I C
254.29 kW
Defrost: None
Product code: KA/KB-2x280GB1-B01 C
Nominal conditions (EN 327): air inlet 25 °C, condensing temperature 40 °C (ΔT 15 K), gas inlet superheat 26 K, no subcooling, relative humidity 50 %
| Air flow | 85,914 m³/h |
|---|---|
| External surface | 535.8 m² |
| Inner volume | 66.1 dm³ |
| Fin spacing | 2.1 mm |
| Fin material | Aluminium |
| Net weight | 674 kg |
| Quantity | 4 |
|---|---|
| Diameter | 800 mm |
| Speed | 900 rpm |
| Power | 7,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 54.0 dB(A) |
|---|---|
| Sound power | 86.0 dB(A) |
| Energy class | D |
| Inlet | Ø54 |
|---|---|
| Outlet | Ø54 |
| KA/KB-2x280GB1-B01 C | None |
|---|
ΔT (condensing − air inlet) must be within 8–20 K; air inlet 25…50 °C.
R404A, dew point, air inlet 25 °C, ΔT 15 K (condensing 40 °C); Vendor rating (gas inlet superheat 26 K, no subcooling)
R404A, Vendor rating (gas inlet superheat 26 K, no subcooling); one row per fan connection; columns: air inlet temperature. The highlighted cell is the nominal point. "—": not rated by the manufacturer.
≈ 1.23 estimate — vendor data irregular here
| Fan connection \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| High speed (Δ) | 257.59 | 258.76 | 260.59 | 263.37 | 267.55 | 274.15 |
| Low speed (Y) | 206.55 | 207.18 | 208.34 | 210.23 | 213.20 | 218.01 |
Nominal conditions (EN 327): air inlet 25 °C, condensing temperature 40 °C (ΔT 15 K), gas inlet superheat 26 K, no subcooling, relative humidity 50 %
| Fan connection | Heat rejection [kW] |
|---|---|
| High speed (Δ) | 257.593 |
| Low speed (Y) | 206.553 |
| A | 3800 mm |
|---|---|
| B | 1350 mm |
| C | 2310 mm |
| F | 1050 mm |
| G | 450 mm |
| E | 3600 mm |
| H | 1750 mm |
| I | 2260 mm |
| D IN | Ø54 |
| D OUT | Ø54 |
| Length | 3800 mm |
|---|---|
| Width | 2310 mm |
| Height | 1350 mm |
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.