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Unit cooler EA-291AE7-C04 C

Unit cooler EA-291AE7-C04 C
Illustrative photo

Producer: Karyer · Line: EA (General)

Product code: EA-291AE7-C04 C

Cooling capacity i
85.63 kW
Air flow
57,975 m³/h
Fin spacing
7.0 mm
Air throw
52 m
Fans
2 × ⌀910 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: 91 — Ø910 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: E — 6 tube rows
  • F
    Fin spacing: 7 — Fin spacing about 7 mm
  • G
    Generation code: C — Generation C
  • H
    Fan data: 04 — Ø910: 400V/3Ph/50Hz, 6-pole

Data

Evaporator
Air flow 57,975 m³/h
Air throw 52 m
External surface 405.6 m²
Inner volume 125.6 dm³
Fin spacing 7.0 mm
Fin materialAluminium
Net weight 640 kg
Fans
Quantity 2
Diameter 910 mm
Speed 840 rpm
Power 5,600 W
Supply 400V/3Ph/50Hz
Motor type AC
Poles 6
Acoustic
Sound pressure 69.0 dB(A)
Sound power 93.0 dB(A)
Energy class D
Connections
Inlet Ø54
Outlet Ø80
Defrost
EA-291AE7-C04 C None
EA-291AE7-C04 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)

High speed (Δ)
81.901 kW
Low speed (Y)
67.535 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.

High speed (Δ)

Cooling capacity [kW] per air inlet temperature and TD
TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 32.80 32.56 32.50 32.56 32.48 32.32 32.11 32.51 34.43 37.24 36.40 36.09 35.65 34.99
5 43.17 43.33 43.60 43.83 43.86 43.68 43.37 43.69 46.34 50.12 48.88 48.44 47.82 46.89
6 53.14 54.07 54.94 55.72 56.01 55.95 55.59 55.88 59.22 64.00 62.26 61.62 60.67 59.28
7 62.59 64.51 65.94 67.43 68.23 68.49 68.33 68.67 72.76 78.67 76.45 75.61 74.38 72.44
8 70.92 73.77 76.41 78.82 80.41 81.30 81.42 81.90 86.81 93.96 91.41 90.39 88.89 86.44
9 78.40 82.31 85.90 89.10 91.27 92.64 93.38 94.33 100.18 108.77 106.39 105.41 103.82 100.93
10 85.31 90.41 95.06 99.15 102.02 103.84 104.91 106.08 112.69 122.37 119.77 118.65 116.97 114.14

Low speed (Y)

Cooling capacity [kW] per air inlet temperature and TD
TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 28.19 27.87 27.77 27.83 27.79 27.70 27.56 28.00 29.78 32.27 31.63 31.39 31.05 30.55
5 36.82 36.73 36.82 37.02 37.02 36.88 36.64 37.01 39.29 42.56 41.57 41.23 40.75 40.03
6 45.58 45.87 46.28 46.73 46.81 46.71 46.42 46.73 49.54 53.59 52.17 51.66 50.92 49.79
7 53.90 54.83 55.75 56.62 57.00 57.01 56.70 56.98 60.36 65.28 63.44 62.70 61.67 60.05
8 61.81 63.54 65.14 66.32 67.11 67.38 67.24 67.54 71.54 77.40 75.14 74.26 72.96 70.85
9 69.23 71.51 73.88 76.05 77.32 77.93 77.95 78.37 83.03 89.83 87.32 86.28 84.73 82.16
10 75.44 78.82 81.95 84.78 86.63 87.80 88.36 89.20 94.67 102.47 99.73 98.54 96.76 93.78

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 119.76899.726
SC2 0 8 81.90167.535
SC3 -18 7 67.82356.821
SC4 -25 6 54.93546.279
SC5 -34 6 53.40945.699

Dimensions

Dimension drawing of EA-291AE7-C04 C
Dimension drawing
Dimensions as drawn
A 3638 mm
C 1587 mm
F 932 mm
G 1050 mm
E1 1635 mm
E2 1600 mm
E 3235 mm
H 1234 mm
I 1750 mm
D IN 1 x Ø54
D OUT 1 x Ø80
Overall [mm]
Length 3638 mm
Width 1234 mm
Height 1750 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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