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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

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)
153.139 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 60.20 61.91 63.38 64.60 65.12 65.13 64.72 66.57 70.96 76.76 75.15 74.54 73.67 72.36
5 76.32 79.49 82.72 85.41 86.93 87.51 87.32 89.16 94.91 103.01 100.64 99.84 98.74 97.06
6 89.55 94.97 99.89 104.18 107.06 108.77 109.53 111.73 118.96 129.39 126.80 125.81 124.34 121.66
7 101.43 108.92 115.79 121.80 125.98 128.59 129.88 132.33 140.82 153.18 149.95 148.65 146.68 143.44
8 ≈ 112.12 121.85 130.88 138.83 144.54 148.29 150.30 153.14 162.96 177.35 173.55 171.96 169.52 165.39
9 ≈ 121.68 133.73 145.04 155.15 162.64 167.72 170.67 174.03 185.24 201.71 197.50 195.64 192.76 187.77
10 ≈ 116.31 ≈ 144.54 158.26 170.69 180.14 186.65 190.74 194.91 207.55 226.08 221.68 219.57 216.29 210.49

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 54.51 58.29 63.42 62.44 62.21 61.57 60.66
5 71.44 76.04 82.65 80.68 80.03 79.15 77.91
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 10 221.675—
SC2 0 8 153.139—
SC3 -18 7 123.671—
SC4 -25 6 99.892—
SC5 -34 6 90.807—

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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