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Blast freezer EK-T-291AG10-B04 C

Blast freezer EK-T-291AG10-B04 C
Illustrative photo

Producer: Karyer · Line: EK-T (Blast Freezers)

Product code: EK-T-291AG10-B04 C

Cooling capacity i
77.97 kW
Air flow
47,747 m³/h
Fin spacing
10.0 mm
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): EK-T — EK-T - blast freezer
  • 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: G — 8 tube rows
  • F
    Fin spacing: 10 — Fin spacing about 10 mm
  • G
    Generation code: B — Generation B
  • H
    Fan data: 04 — Ø910: 400V/3Ph/50Hz, 6-pole

Data

Evaporator
Air flow 47,747 m³/h
External surface 253.9 m²
Inner volume 103.7 dm³
Fin spacing 10.0 mm
Fin materialAluminium
Net weight 519 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 71.0 dB(A)
Sound power 94.0 dB(A)
Energy class D
Connections
Inlet Ø35
Outlet Ø54
Defrost
EK-T-291AG10-B04 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)
74.522 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.

High speed (Δ)

Cooling capacity [kW] per air inlet temperature and TD
TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 30.72 30.13 29.78 29.59 29.30 28.95 28.56 29.15 30.83 33.28 32.44 32.12 31.69 31.04
5 36.77 36.46 36.31 40.29 39.99 39.52 38.93 39.39 41.79 45.14 43.88 43.45 42.86 42.00
6 45.99 46.07 46.25 51.61 51.40 50.93 50.23 50.56 53.54 57.75 55.88 55.22 54.28 52.89
7 54.75 55.48 56.18 63.13 63.24 62.89 62.17 62.36 65.97 71.09 68.67 67.75 66.43 64.34
8 63.06 64.36 65.75 74.40 74.98 74.91 74.32 74.52 78.82 85.08 82.13 80.99 79.30 76.56
9 78.12 80.65 83.05 85.22 86.54 87.08 86.68 86.99 92.03 99.38 96.11 94.76 92.75 89.43
10 85.62 89.12 92.34 95.22 96.94 97.87 98.09 98.88 104.82 113.50 110.30 108.76 106.45 102.59

Low speed (Y)

Cooling capacity [kW] per air inlet temperature and TD
TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 25.23 24.70 24.42 24.32 24.14 23.91 not rated 24.27 25.88 28.04 27.44 27.22 26.91 26.45
5 30.01 29.58 29.38 32.57 32.35 32.00 not rated 32.08 34.08 36.90 35.93 35.62 35.20 34.59
6 37.48 37.13 37.10 41.29 41.10 40.69 not rated 40.48 42.90 46.35 44.89 44.37 43.63 42.53
7 44.76 44.80 45.01 50.30 50.18 49.78 not rated 49.35 52.22 56.36 not rated not rated not rated not rated
8 51.80 52.30 52.88 59.38 59.49 59.16 not rated not rated not rated not rated not rated not rated not rated not rated
9 65.05 66.23 67.39 68.46 68.73 68.51 not rated not rated not rated not rated not rated not rated not rated not rated
10 72.15 73.84 75.64 77.24 77.92 77.98 not rated not rated not rated not rated not rated not rated not rated not rated

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 110.297—
SC2 0 8 74.522—
SC3 -18 7 63.23950.260
SC4 -25 6 46.25137.095
SC5 -34 6 46.06737.459

Dimensions

Dimension drawing of EK-T-291AG10-B04 C
Dimension drawing
Dimensions as drawn
A 3038 mm
C 1287 mm
F 1032 mm
G 1150 mm
E1 1335 mm
E2 1300 mm
E 2635 mm
H 1354 mm
I 1465 mm
D IN 2 x Ø35
D OUT 2 x Ø54
Overall [mm]
Length 3038 mm
Width 1354 mm
Height 1465 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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