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Unit cooler EA-250AC4-C09 C

Unit cooler EA-250AC4-C09 C
Illustrative photo

Producer: Karyer · Line: EA (General)

Product code: EA-250AC4-C09 C

Cooling capacity i
21.16 kW
Air flow
13,245 m³/h
Fin spacing
4.2 mm
Air throw
20 m
Fans
2 × ⌀500 mm

Nominal conditions: refrigerant R404A, evaporation (dew point) −8 °C, inlet air 0 °C, humidity 85 %

Model nomenclature

How to read the code of this model.

  • A
    Model code (series): EA — EA - general-purpose unit cooler
  • B
    Number of fans: 2 — Number of fans (one digit).
  • C
    Fan diameter: 50 — Ø500 mm
  • D
    Dimensional data - coil size letter: A — First letter of Karyer's "dimensional data". With the fan count and diameter it fixes the finned coil length and the tubes per row (one casing size). It is a catalogue size index, not a measure: take dimensions from the model datasheet.
  • E
    Dimensional data - tube rows: C — 4 tube rows
  • F
    Fin spacing: 4 — Fin spacing about 4 mm
  • G
    Generation code: C — Generation C
  • H
    Fan data: 09 — Ø500: 230V/1Ph/50Hz, 4-pole

Data

Evaporator
Air flow 13,245 m³/h
Air throw 20 m
External surface 69.0 m²
Inner volume 15.1 dm³
Fin spacing 4.2 mm
Fin materialAluminium
Net weight 101 kg
Fans
Quantity 2
Diameter 500 mm
Speed 1,330 rpm
Power 1,420 W
Supply 230V/1Ph/50Hz
Motor type AC
Poles 4
Acoustic
Sound pressure 59.0 dB(A)
Sound power 81.0 dB(A)
Energy class D
Connections
Inlet Ø28
Outlet Ø35
Defrost
EA-250AC4-C09 C None
EA-250AC4-C09 C ED Electric

Performance

No glide: dew, mid and bubble point give the same rating.

TD (air − evaporating) must be within 4–10 K; air inlet −40…+20 °C.

R404A, dew point -8 °C, air inlet 0 °C (TD 8 K)

Single phase
20.352 kW

Capacity matrix [kW]

R404A, Dew point; rows: TD = air inlet − evaporating temperature, columns: air inlet temperature. The highlighted cell is the nominal point (SC2). "—": not rated by the manufacturer.

≈ 1.23 estimate — vendor data irregular here

Single phase

Cooling capacity [kW] per air inlet temperature and TD
TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 7.77 7.90 8.01 8.10 8.11 8.07 7.99 8.13 8.60 9.29 9.05 8.97 8.84 8.66
5 10.20 10.59 10.92 11.18 11.30 11.29 11.22 11.39 12.09 13.07 12.73 12.60 12.44 12.18
6 12.20 12.81 13.36 13.76 14.08 14.26 14.34 14.58 15.51 16.86 16.50 16.37 16.19 15.87
7 13.98 14.76 15.55 16.25 16.73 17.02 17.17 17.44 18.55 20.16 19.73 19.57 19.31 18.91
8 15.49 16.65 17.72 18.67 19.34 19.78 20.02 20.35 21.65 23.54 23.04 22.84 22.53 22.01
9 ≈ 16.93 18.41 19.78 21.01 21.91 22.52 22.88 23.29 24.78 26.97 26.42 26.18 25.81 25.18
10 ≈ 18.22 20.02 21.72 23.25 24.41 25.21 25.72 26.23 27.92 30.41 29.83 29.56 29.15 28.42

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] Single phase [kW]
SC1 10 10 29.832
SC2 0 8 20.352
SC3 -18 7 16.463
SC4 -25 6 13.358
SC5 -34 6 12.346

Dimensions

Dimension drawing of EA-250AC4-C09 C
Dimension drawing
Dimensions as drawn
A 2087 mm
B 590 mm
C 685 mm
F 395 mm
E1 868 mm
E 1735 mm
D IN 1 x Ø28
D OUT 1 x Ø35
Overall [mm]
Length 2087 mm
Width 590 mm
Height 685 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.

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