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Blast freezer EK-SR-391BC4-A04 C

Blast freezer EK-SR-391BC4-A04 C
Illustrative photo

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

Product code: EK-SR-391BC4-A04 C

Cooling capacity i
90.11 kW
Air flow
79,390 m³/h
Fin spacing
4.6 mm
Fans
3 × ⌀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 79,390 m³/h
External surface 390.9 m²
Inner volume 80.3 dm³
Fin spacing 4.6 mm
Fin materialAluminium
Net weight 921 kg
Fans
Quantity 3
Diameter 910 mm
Speed 840 rpm
Power 8,400 W
Supply 400V/3Ph/50Hz
Motor type AC
Poles 6
Acoustic
Sound pressure 71.0 dB(A)
Sound power 95.3 dB(A)
Energy class E
Connections
Inlet Ø42
Outlet Ø66,7
Defrost
EK-SR-391BC4-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)
90.105 kW
Low speed (Y)
77.145 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 38.06 37.99 37.96 37.94 37.64 37.26 36.80 37.16 39.27 42.35 41.21 40.79 40.20 39.32
5 44.08 44.85 45.28 50.77 50.75 50.39 49.78 50.22 53.19 57.38 55.77 55.21 54.39 53.05
6 52.64 54.31 55.83 63.50 64.35 64.62 64.09 64.54 68.39 73.79 71.55 70.74 69.60 67.86
7 60.14 62.78 65.13 74.60 75.95 76.64 76.81 77.68 82.49 89.42 87.32 86.52 85.35 83.50
8 67.10 70.84 ≈ 74.17 ≈ 85.56 87.58 88.69 89.11 90.11 95.68 103.75 101.27 100.30 98.86 96.54
9 81.64 87.14 92.06 96.28 99.10 100.77 101.53 102.72 109.09 118.36 115.54 114.40 112.70 109.91
10 88.08 95.01 101.29 106.71 110.45 112.81 114.00 115.46 122.65 133.17 130.06 128.76 126.81 123.56

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 33.06 32.77 32.58 32.56 32.37 32.10 31.76 32.34 34.26 37.03 36.15 35.83 35.38 34.70
5 38.27 38.49 38.71 43.22 43.10 42.71 42.21 42.70 45.31 48.98 47.71 47.27 46.67 45.77
6 46.55 47.30 48.12 54.21 54.39 54.16 53.59 54.03 57.25 61.81 59.96 59.31 58.39 57.01
7 53.61 55.31 56.87 64.73 65.62 66.01 65.66 66.09 69.99 75.59 73.24 72.35 71.06 69.03
8 60.07 62.60 64.87 74.28 75.60 76.27 76.37 77.15 81.87 88.76 86.50 85.58 84.22 81.74
9 73.44 77.30 80.74 83.70 85.58 86.59 86.89 87.75 93.12 100.98 98.28 97.16 95.52 92.75
10 79.61 84.60 89.08 92.92 95.46 96.92 97.49 98.49 104.51 113.31 110.27 108.97 107.04 103.77

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 130.060110.268
SC2 0 8 90.10577.145
SC3 -18 7 75.23665.149
SC4 -25 6 55.82548.124
SC5 -34 6 53.07146.826

Dimensions

Dimension drawing of EK-SR-391BC4-A04 C
Dimension drawing
Dimensions as drawn
A 4360 mm
B 1360 mm
C 2790 mm
F 1310 mm
G 1770 mm
E 3965 mm
H 1393 mm
I 4390 mm
D IN 1 x Ø42
D OUT 1 x Ø66,7
Overall [mm]
Length 4360 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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