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Blast freezer EK-SR-291BC7-A04 C

Blast freezer EK-SR-291BC7-A04 C
Illustrative photo

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

Product code: EK-SR-291BC7-A04 C

Cooling capacity i
47.98 kW
Air flow
55,789 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 55,789 m³/h
External surface 175.8 m²
Inner volume 53.6 dm³
Fin spacing 7.0 mm
Fin materialAluminium
Net weight 677 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 E
Connections
Inlet Ø35
Outlet Ø54
Defrost
EK-SR-291BC7-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)
47.984 kW
Low speed (Y)
40.718 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 19.83 19.49 19.25 19.09 18.85 18.58 18.31 18.36 19.38 20.87 20.26 20.04 19.73 19.27
5 23.45 23.38 23.33 25.88 25.63 25.31 24.92 25.02 26.46 28.47 27.57 27.24 26.77 26.06
6 28.85 29.23 29.53 33.06 33.00 32.66 32.26 32.30 34.17 36.80 35.62 35.20 34.60 33.70
7 33.74 34.62 35.45 40.19 40.46 40.39 40.06 40.14 42.47 45.76 44.26 43.71 42.91 41.66
8 37.97 39.35 40.61 46.35 47.10 47.49 47.60 47.98 50.92 55.16 53.48 52.82 51.85 50.31
9 46.59 48.76 50.70 52.40 53.48 54.10 54.36 54.82 58.18 63.07 61.57 60.97 60.09 58.65
10 50.65 53.53 56.11 58.33 59.82 60.71 61.15 61.73 65.54 71.09 69.43 68.76 67.75 66.09

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 17.39 17.03 16.81 16.69 16.51 16.32 16.11 16.28 17.21 18.57 18.09 17.91 17.66 17.29
5 20.49 20.29 20.13 22.31 22.13 21.87 21.56 21.73 23.03 24.85 24.17 23.93 23.56 23.01
6 25.26 25.33 25.42 28.34 28.23 27.94 27.57 27.69 29.31 31.60 30.63 30.29 29.80 29.09
7 29.86 30.32 30.73 34.43 34.50 34.32 33.96 34.06 36.03 38.83 37.58 37.12 36.45 35.43
8 34.00 34.88 35.73 40.57 40.91 40.90 40.61 40.72 43.08 46.48 44.97 44.39 43.55 42.21
9 41.87 43.34 44.68 45.89 46.63 47.00 47.08 47.45 50.34 54.40 52.70 52.02 51.02 49.41
10 45.71 47.72 49.55 51.15 52.16 52.73 52.92 53.35 56.60 61.36 59.82 59.18 58.25 56.70

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 69.43359.815
SC2 0 8 47.98440.718
SC3 -18 7 40.34434.489
SC4 -25 6 29.52825.420
SC5 -34 6 28.97725.311

Dimensions

Dimension drawing of EK-SR-291BC7-A04 C
Dimension drawing
Dimensions as drawn
A 3060 mm
B 1360 mm
C 2790 mm
F 1310 mm
G 1770 mm
E 2665 mm
H 1393 mm
I 3090 mm
D IN 1 x Ø35
D OUT 1 x Ø54
Overall [mm]
Length 3060 mm
Width 1393 mm
Height 2790 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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