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Blast freezer EK-SR-291DE10-A04 C

Blast freezer EK-SR-291DE10-A04 C
Illustrative photo

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

Product code: EK-SR-291DE10-A04 C

Cooling capacity i
77.39 kW
Air flow
60,583 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 %

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Data

Evaporator
Air flow 60,583 m³/h
External surface 285.7 m²
Inner volume 117.2 dm³
Fin spacing 10.0 mm
Fin materialAluminium
Net weight 896 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 Ø28
Outlet Ø54
Defrost
EK-SR-291DE10-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)
77.389 kW
Low speed (Y)
64.138 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)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 32.57 32.37 32.26 32.19 31.93 31.55 31.11 31.15 32.93 35.43 34.34 33.93 33.34 32.46
5 37.68 38.00 38.29 42.82 42.69 42.38 41.90 41.89 44.30 47.72 46.21 45.67 44.89 43.70
6 45.52 46.58 47.51 53.64 53.94 53.84 53.43 53.32 56.40 60.81 58.90 58.17 57.12 55.48
7 52.82 54.51 56.22 64.09 64.96 65.27 65.13 65.26 69.07 74.58 72.32 71.44 70.10 67.98
8 59.02 61.76 64.25 73.85 75.47 76.46 76.94 77.39 82.00 88.70 86.18 85.16 83.62 81.09
9 71.93 76.02 79.73 82.98 85.21 86.62 87.40 88.21 93.66 101.63 99.33 98.36 96.89 94.43
10 77.78 82.98 87.71 91.86 94.75 96.68 97.83 98.90 105.05 114.05 111.58 110.50 108.87 106.08

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 28.06 27.71 27.52 27.43 27.22 26.93 26.59 26.74 28.34 30.58 29.75 29.43 28.98 28.29
5 32.48 32.33 32.41 36.13 36.01 35.72 35.31 35.40 37.47 40.42 39.21 38.78 38.16 37.25
6 39.39 39.82 40.25 45.17 45.24 45.01 44.60 44.65 47.24 50.95 49.36 48.76 47.90 46.56
7 45.96 47.01 47.97 54.22 54.62 54.61 54.28 54.24 57.39 61.96 60.02 59.26 58.14 56.34
8 52.13 53.93 55.27 62.94 63.79 64.11 63.99 64.14 67.89 73.36 71.11 70.18 68.84 66.64
9 63.82 66.64 69.14 71.38 72.85 73.68 73.81 74.14 78.53 84.90 82.45 81.42 79.87 77.30
10 69.45 73.03 76.30 79.14 81.08 82.29 82.90 83.65 88.76 96.22 93.92 92.78 91.05 88.13

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 111.57993.919
SC2 0 8 77.38964.138
SC3 -18 7 64.51154.437
SC4 -25 6 47.51140.248
SC5 -34 6 45.81539.531

Dimensions

Dimension drawing of EK-SR-291DE10-A04 C
Dimension drawing
Dimensions as drawn
A 3060 mm
B 1360 mm
C 3390 mm
F 1310 mm
G 2370 mm
E 2665 mm
H 1393 mm
I 3090 mm
D IN 2 x Ø28
D OUT 2 x Ø54
Overall [mm]
Length 3060 mm
Width 1393 mm
Height 3390 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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