CRAC system DX - Base unit - Fan unit in base - Condenser unit

Catalogue 33

CRAC system CW Base unit Model No. SK 3301.620 3301.660 3301.830 3301.870 Rated volumetric flow Air volume m3/h 6000 11000 22000 33000 External compression Pa 20 20 20 20 Support area m2 0.72 0.94 1.53 2.21 Weight kg 340 385 585 843 Cooling – cold water 7°C/12°C and air inlet 24°C/50% relative humidity Cooling output, total kW 27.8 45.7 90.2 137.4 Cooling output, sensitive kW 23.4 39.8 79.4 119.5 SHR1) 0.84 0.87 0.88 0.87 Volumetric flow of medium m3/h 4.78 7.85 15.49 23.6 Cooler pressure loss kPa 33.4 39 37.6 37.5 Valve pressure loss kPa 22.8 24.1 38.4 34.8 Connection Rp 1 Rp 1 1/4 Rp 1 1/2 Rp 2 Cooling – cold water 10°C/15°C and air inlet 26°C/45% relative humidity Cooling output, total kW 22.9 39.1 77.4 117.2 Cooling output, sensitive kW 22.9 39.1 77.4 117.2 SHR1) 1 1 1 1 Volumetric flow of medium m3/h 3.94 6.72 13.3 20.2 Cooler pressure loss kPa 23.4 29.1 28.2 27.8 Valve pressure loss kPa 15.5 17.6 28.3 25.5 Connection Rp 1 Rp 1 1/4 Rp 1 1/2 Rp 2 Filter in intake Design Cassette filter Filter class to DIN EN 779 G4 G4 G4 G4 Noise data Sound power level, intake end dB (A) 69 74 77 79 Sound power level, discharging end dB (A) 79 82 85 87 Enclosure radiation dB (A) 55 60 63 65 Sound pressure level in empty space (2 m distance) dB (A) 57 62 65 67 1) SHR = Sensible Heat Ratio. We reserve the right to make technical modifications in line with progress. Fan unit Design EC motor, directly driven, free-running Qty. Quantity 1 1 2 3 Power consumption, total kW 0.6 1.4 3.1 4.6 Max. current rating A 1.5 4.6 9.2 13.8 Options Steam humidification Design Electrode steam humidifier Max. steam output kg/h 8 8 15 15 Max. power consumption kW 6 6 11.3 11.3 Max. current rating A 8.7 8.7 16.3 16.3 Water inlet connection Inches G1/2 G1/2 G1/2 G1/2 Water discharge connection mm 40 40 40 40 Electric heater Design Bare-tube heater, permanently controlled Max. thermal output kW 4.5 7.5 15 22.5 Max. current rating A 6.5 10.8 21.7 32.5 Energy-saving extractor plenum For top-mounting on CRAC systems 3300.290 3300.291 3300.292 3300.293 Rittal Catalogue 33/Climate control 457

Catalogue 33
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