Semi-hermetic piston compressor BITZER 4NES-20.F4-40S

BITZER semi-hermetic piston compressor, model 4NES-20.F4-40S. Technical parameters Compressor frequency 87.0 Hz Cold-steel 57.1 kW Cold-steel * 57.2 kW Evaporator outlet 57.1 kW Consumption power 21.8 kW Current (400V) 32.8 A Capacitor capacity 79.0 kW COR/efficiency 2.62 COR/efficiency * 2.62 Mass. flow rate 1651 kg/h min.chill capacity 16.05 kW (25 Hz) max. Refrigerating capacity is 57.1 kW (87 Hz) forcing Temperature without cooling of 66.5 °C Volume proizv-st (1450 rpm 50 Hz) 56.25 m3/h Volume proizv-st (1750 rpm 60 Hz) 67.89 m3/h Performance at 87 Hz of 99.2 m3/h Frequency range there are 25.87 Hz Number of cylinders x Diameter x the Piston stroke 4 x 70 mm x 42 mm Weight there are 174 kg Max. overpressure (LP/HP) 19/32 bar Connection of suction line 42 mm - 1 5/8 "Connection of discharge line 28 mm - 1 1/8" Oil type R404A tc < 55 ° C: BSE32 Motor parameters Motor version 1 Electric parameters of frequency inverter Voltage 380.. 480V/3/50 _ 60Ha Maximum operating current 55.0 Power consumption 36.0 kW Package Motor protection SE-B1 Protection class IP65 Anti-vibration dampers Standard Oil filling 2.60 dm ³ Oil parameters Pressure temperature sensor Option Fan Option Oil heater in crankcase 0.. 140 W PTC Oil level control OLC-K1 (Option)