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Unit cooler EA-DI-491GE4-A04 C

Unit cooler EA-DI-491GE4-A04 C
Illustrative photo

Producer: Karyer · Line: EA-DI (Cold Store)

Product code: EA-DI-491GE4-A04 C

Cooling capacity i
158.91 kW
Air flow
93,583 m³/h
Fin spacing
4.6 mm
Fans
4 × ⌀910 mm

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

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Model nomenclature

How to read the code of this model.

  • A
    Model code (series): EA-DI — EA-DI - cold-store evaporator, fans inclined 45° to the coil
  • B
    Number of fans: 4 — Number of fans (one digit).
  • C
    Fan diameter: 91 — Ø910 mm
  • D
    Dimensional data - coil size letter: G — 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: 4 — Fin spacing about 4 mm
  • G
    Generation code: A — Generation A
  • H
    Fan data: 04 — Ø910: 400V/3Ph/50Hz, 6-pole

Data

Evaporator
Air flow 93,583 m³/h
External surface 781.9 m²
Inner volume 157.9 dm³
Fin spacing 4.6 mm
Fin materialAluminium
Net weight 1,184 kg
Fans
Quantity 4
Diameter 910 mm
Speed 840 rpm
Power 11,200 W
Supply 400V/3Ph/50Hz
Motor type AC
Poles 6
Acoustic
Sound pressure 73.0 dB(A)
Sound power 97.3 dB(A)
Energy class E
Connections
Inlet Ø54
Outlet Ø80
Defrost
EA-DI-491GE4-A04 C None

Performance

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)
158.912 kW
Low speed (Y)
not rated

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

High speed (Δ)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 66.09 68.21 69.97 71.31 71.79 71.40 70.82 72.34 77.04 83.47 81.64 80.85 79.72 77.98
5 81.11 85.25 88.81 91.88 93.75 94.32 93.97 95.58 101.58 110.03 107.09 106.06 104.60 102.48
6 93.93 99.89 105.25 109.86 112.90 114.62 115.28 117.30 124.77 135.55 132.54 131.37 129.63 126.85
7 ≈ 105.40 113.51 120.92 127.34 131.76 134.46 135.71 138.02 146.78 159.52 155.87 154.39 152.15 148.47
8 ≈ 115.69 126.08 135.72 144.18 150.22 154.14 156.17 158.91 169.02 183.82 179.61 177.86 175.15 170.57
9 ≈ 124.89 137.60 149.61 160.28 168.18 173.50 176.49 179.85 191.36 208.22 203.69 201.66 198.52 193.09
10 ≈ 88.01 ≈ 148.08 162.51 175.56 185.39 192.33 196.56 200.75 213.71 232.65 227.95 225.69 222.16 215.91

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 58.96 62.89 68.26 66.86 66.43 65.86 65.07
5 81.07 87.79 85.38 84.54 83.35 81.61
6
7
8
9
10

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 227.950—
SC2 0 8 158.912—
SC3 -18 7 129.326—
SC4 -25 6 105.254—
SC5 -34 6 95.311—

Dimensions

Dimension drawing of EA-DI-491GE4-A04 C
Dimension drawing
Dimensions as drawn
A 5625 mm
B 1000 mm
C 1350 mm
F 960 mm
G 1800 mm
E1 1318 mm
E2 1300 mm
E 5235 mm
D IN 1 x Ø54
D OUT 1 x Ø80
Overall [mm]
Length 5625 mm
Width 1800 mm
Height 1350 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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