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Blast freezer EK-SR-291DC7-A04 C

Blast freezer EK-SR-291DC7-A04 C
Illustrative photo

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

Product code: EK-SR-291DC7-A04 C

Cooling capacity i
63.74 kW
Air flow
62,702 m³/h
Fin spacing
7.0 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 62,702 m³/h
External surface 263.6 m²
Inner volume 82.9 dm³
Fin spacing 7.0 mm
Fin materialAluminium
Net weight 823 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 93.1 dB(A)
Energy class D
Connections
Inlet Ø42
Outlet Ø66,7
Defrost
EK-SR-291DC7-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)
63.735 kW
Low speed (Y)
54.043 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 27.06 26.53 26.20 26.01 25.74 25.45 25.16 25.16 26.59 28.67 27.89 27.61 27.21 26.61
5 31.85 31.57 31.42 34.79 34.54 34.19 33.78 33.72 35.66 38.43 37.32 36.91 36.33 35.43
6 39.17 39.36 39.56 44.18 44.08 43.75 43.27 43.16 45.63 49.15 47.64 47.09 46.30 45.10
7 46.20 47.03 47.59 53.59 53.82 53.69 53.31 53.22 56.28 60.66 58.77 58.07 57.04 55.45
8 52.35 53.81 55.20 62.77 63.66 63.93 63.73 63.74 67.43 72.78 70.60 69.75 68.51 66.53
9 64.39 66.79 68.98 70.97 72.24 73.00 73.35 73.82 78.32 84.90 82.86 81.90 80.48 78.18
10 70.21 73.47 76.43 79.04 80.78 81.86 82.43 83.04 88.13 95.58 93.43 92.56 91.25 89.10

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 23.73 23.21 22.92 22.78 22.60 22.39 22.18 22.33 23.62 25.52 24.89 24.66 24.34 23.86
5 27.81 27.36 27.18 30.12 29.92 29.65 29.34 29.40 31.14 33.62 32.72 32.40 31.96 31.29
6 34.22 34.10 34.10 37.97 37.80 37.53 37.15 37.15 39.31 42.40 41.17 40.72 40.08 39.12
7 40.48 40.78 41.11 46.05 46.08 45.87 45.46 45.43 48.05 51.82 50.25 49.66 48.79 47.48
8 46.47 47.31 47.94 54.07 54.39 54.36 54.06 54.04 57.17 61.70 59.81 59.08 58.03 56.35
9 57.56 59.09 60.58 61.99 62.81 63.03 62.88 62.94 66.60 71.95 69.82 68.97 67.73 65.72
10 62.99 65.18 67.23 69.10 70.30 71.01 71.33 71.77 76.14 82.40 80.08 79.13 77.72 75.41

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 93.43280.082
SC2 0 8 63.73554.043
SC3 -18 7 53.72946.098
SC4 -25 6 39.56434.104
SC5 -34 6 39.27034.240

Dimensions

Dimension drawing of EK-SR-291DC7-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 1 x Ø42
D OUT 1 x Ø66,7
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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