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Blast freezer EK-SR-291DC4-A04 C

Blast freezer EK-SR-291DC4-A04 C
Illustrative photo

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

Product code: EK-SR-291DC4-A04 C

Cooling capacity i
80.69 kW
Air flow
60,673 m³/h
Fin spacing
4.6 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 60,673 m³/h
External surface 390.9 m²
Inner volume 82.9 dm³
Fin spacing 4.6 mm
Fin materialAluminium
Net weight 850 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 D
Connections
Inlet Ø42
Outlet Ø66,7
Defrost
EK-SR-291DC4-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)
80.693 kW
Low speed (Y)
69.035 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 34.41 34.19 34.03 34.04 33.88 33.63 33.33 33.53 35.48 38.32 37.36 37.00 36.50 35.75
5 39.73 40.12 40.45 45.26 45.22 44.94 44.50 44.62 47.25 51.00 49.62 49.09 48.39 47.35
6 48.16 49.14 50.19 56.71 57.07 57.01 56.65 56.75 60.08 64.83 62.95 62.24 61.25 59.75
7 55.10 57.08 58.88 67.20 68.31 68.92 69.15 69.67 73.77 79.68 77.38 76.50 75.21 73.18
8 61.61 64.49 67.08 77.05 78.66 79.61 80.05 80.69 85.64 92.87 90.75 89.92 88.66 86.62
9 75.13 79.48 83.36 86.72 88.97 90.35 91.07 91.87 97.53 105.81 103.41 102.42 100.95 98.53
10 81.28 86.84 91.83 96.17 99.16 101.07 102.14 103.16 109.55 118.91 116.26 115.14 113.47 110.67

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 29.81 29.51 29.38 29.38 29.27 29.10 28.89 29.19 31.00 33.55 32.79 32.52 32.12 31.53
5 34.49 34.49 34.59 38.59 38.48 38.26 37.95 38.17 40.47 43.75 42.65 42.26 41.71 40.89
6 41.92 42.47 42.97 48.26 48.36 48.19 47.81 47.89 50.72 54.79 53.26 52.70 51.90 50.69
7 49.01 50.04 51.16 57.89 58.37 58.41 58.11 58.26 61.68 66.62 64.67 63.92 62.81 61.10
8 54.91 56.79 58.53 66.78 67.87 68.46 68.66 69.04 73.10 79.02 76.69 75.77 74.42 72.25
9 67.25 70.20 72.88 75.24 76.75 77.63 77.99 78.58 83.37 90.40 88.22 87.32 86.00 83.81
10 73.07 76.98 80.50 83.55 85.55 86.77 87.35 88.10 93.48 101.34 98.94 97.91 96.39 93.84

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 116.26298.937
SC2 0 8 80.69369.035
SC3 -18 7 67.71258.145
SC4 -25 6 50.18942.970
SC5 -34 6 48.50442.095

Dimensions

Dimension drawing of EK-SR-291DC4-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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