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Blast freezer EK-SR-280BG4-A05 C

Blast freezer EK-SR-280BG4-A05 C
Illustrative photo

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

Product code: EK-SR-280BG4-A05 C

Cooling capacity i
90.84 kW
Air flow
43,142 m³/h
Fin spacing
4.6 mm
Fans
2 × ⌀800 mm

Nominal conditions: refrigerant R404A, evaporation (dew point) −8 °C, inlet air 0 °C, humidity 85 %

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Data

Evaporator
Air flow 43,142 m³/h
External surface 521.3 m²
Inner volume 105.1 dm³
Fin spacing 4.6 mm
Fin materialAluminium
Net weight 835 kg
Fans
Quantity 2
Diameter 800 mm
Speed 1,310 rpm
Power 7,800 W
Supply 400V/3Ph/50Hz
Motor type AC
Poles 4
Acoustic
Sound pressure 70.0 dB(A)
Sound power 94.3 dB(A)
Energy class E
Connections
Inlet Ø42
Outlet Ø66,7
Defrost
EK-SR-280BG4-A05 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)
90.844 kW
Low speed (Y)
77.427 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 38.63 39.47 40.19 40.79 40.98 40.83 40.53 41.17 43.76 47.39 46.30 45.91 45.38 44.58
5 43.09 44.83 46.03 52.49 53.18 53.35 53.10 53.72 57.01 61.72 60.02 59.42 58.56 57.26
6 50.32 52.96 55.35 ≈ 63.80 65.28 66.10 66.25 66.94 71.01 76.89 74.73 73.89 72.64 70.66
7 56.65 60.34 ≈ 63.69 ≈ 73.98 76.15 77.43 78.00 79.01 83.93 91.14 88.97 88.09 86.74 84.49
8 62.40 67.22 ≈ 71.63 ≈ 83.86 86.84 88.71 89.61 90.84 96.51 104.82 102.34 101.28 99.64 96.86
9 ≈ 75.09 81.75 87.93 93.37 97.28 99.81 101.20 102.73 109.17 118.58 115.89 114.65 112.74 109.45
10 ≈ 80.24 88.24 95.77 102.48 107.40 110.76 112.72 114.61 121.86 132.41 129.54 128.16 126.01 122.24

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 33.79 34.16 34.45 34.85 34.97 34.88 34.64 35.18 37.39 40.53 39.63 39.32 38.89 38.26
5 37.83 38.81 39.68 44.91 45.26 45.26 44.95 45.41 48.19 52.11 50.72 50.21 49.48 48.38
6 44.77 46.59 47.91 54.71 55.53 55.81 55.65 56.09 59.46 64.36 62.49 61.75 60.69 58.99
7 50.79 53.36 ≈ 55.70 ≈ 64.16 65.62 66.45 66.63 67.15 71.18 77.08 74.83 73.92 72.56 70.30
8 56.23 59.69 ≈ 62.84 ≈ 72.86 74.90 76.09 76.58 77.43 82.18 89.14 86.94 86.00 84.57 81.89
9 67.99 72.91 77.40 81.32 84.03 85.65 86.46 87.48 92.86 100.71 98.29 97.20 95.50 92.52
10 ≈ 73.00 79.04 84.61 89.49 92.91 95.14 96.30 97.56 103.59 112.36 109.75 108.52 106.57 103.14

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 129.540109.746
SC2 0 8 90.84477.427
SC3 -18 7 74.96264.829
SC4 -25 6 55.34647.909
SC5 -34 6 50.94645.220

Dimensions

Dimension drawing of EK-SR-280BG4-A05 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 Ø42
D OUT 1 x Ø66,7
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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