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Blast freezer EK-SR-491BC10-A04 C

Blast freezer EK-SR-491BC10-A04 C
Illustrative photo

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

Product code: EK-SR-491BC10-A04 C

Cooling capacity i
78.57 kW
Air flow
115,569 m³/h
Fin spacing
10.0 mm
Fans
4 × ⌀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 115,569 m³/h
External surface 253.9 m²
Inner volume 105.1 dm³
Fin spacing 10.0 mm
Fin materialAluminium
Net weight 1,104 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 71.0 dB(A)
Sound power 96.0 dB(A)
Energy class E
Connections
Inlet Ø42
Outlet Ø66,7
Defrost
EK-SR-491BC10-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)
78.574 kW
Low speed (Y)
67.846 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.

≈ 1.23 estimate — vendor data irregular here

High speed (Δ)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 32.27 31.96 31.82 31.66 31.28 30.77 30.19 30.14 31.75 34.07 32.87 32.42 31.79 30.85
5 37.52 38.04 38.43 42.99 42.84 42.35 41.71 41.77 44.16 47.48 45.84 45.21 44.30 42.90
6 45.49 46.95 47.89 54.25 54.64 54.54 54.05 54.21 57.35 61.75 59.66 58.90 57.80 56.12
7 52.25 54.51 56.55 64.81 66.04 66.71 66.82 67.16 71.13 76.77 74.39 73.46 72.10 69.92
8 58.30 61.51 ≈ 64.39 ≈ 74.31 76.14 77.23 77.74 78.57 83.44 90.50 88.40 87.56 86.31 84.25
9 70.95 75.65 79.88 83.58 86.12 87.71 88.57 89.63 95.23 103.38 101.07 100.12 98.69 96.30
10 76.55 82.47 87.85 92.56 95.89 98.11 99.38 100.72 107.07 116.35 113.87 112.82 111.23 108.55

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 28.22 27.89 27.66 27.49 27.17 26.76 26.31 26.45 27.90 30.01 29.06 28.70 28.21 27.46
5 33.02 33.13 33.23 36.95 36.75 36.34 35.79 35.94 38.04 40.96 39.66 39.20 38.56 37.46
6 40.24 40.99 41.63 46.82 46.90 46.63 46.08 46.20 48.88 52.64 50.85 50.22 49.32 47.95
7 47.00 48.32 49.65 56.39 56.96 57.02 56.66 56.86 60.18 64.91 62.80 61.98 60.80 58.93
8 52.74 54.98 57.01 65.34 66.59 67.29 67.49 67.85 71.87 77.66 75.29 74.35 72.95 70.69
9 64.48 67.87 70.94 73.61 75.38 76.43 76.90 77.67 82.45 89.46 87.31 86.43 85.11 82.78
10 69.89 74.27 78.24 81.69 84.06 85.53 86.29 87.24 92.64 100.55 98.23 97.24 95.76 93.27

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 113.87398.225
SC2 0 8 78.57467.846
SC3 -18 7 65.37856.687
SC4 -25 6 47.88541.630
SC5 -34 6 45.87040.462

Dimensions

Dimension drawing of EK-SR-491BC10-A04 C
Dimension drawing
Dimensions as drawn
A 5660 mm
B 1360 mm
C 2790 mm
F 1310 mm
G 1770 mm
E 5265 mm
H 1393 mm
I 5690 mm
D IN 1 x Ø42
D OUT 1 x Ø66,7
Overall [mm]
Length 5660 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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