SHI Cryogenics Group’sHC-8E4 compressor is specificallydesigned to operate most Marathon®CP cryopump models, as well as select10K cryocoolers. Utilizing a hermeticallysealed, water-cooled rotary compressor capsuledesigned exclusively to deliver high pressure oil-free heliumto cryogenic refrigerators, the HC-8E4 compressor is a reliable andcompact system for both small and large scale vacuum operations. Thegas couplings, water fittings, cable receptacles, circuit breakers and fusesare conveniently located on the front panel for easy access.The HC-8E4 is capable of running one or two cryopumps and is equippedwith features for remote operation. Like all SHI Cryogenics Group products,the HC-8E4 compressor is supported by a worldwide sales and servicecenter network.
Features•     ON and OFF buttons for local operation of the compressor and cold head•     Automatic restart after power interruptions•     Front panel LCD display of elapsed run time and system status information•     Interlock to prevent starting the compressor and cold head if main power phase is incorrect•     Automatic relief from an over pressure condition•     Scroll compressor designed and build specifically for helium service•     30,000 hour maintenance interval
SpecificationsElectrical
Specifications: 220 V3~ (±10%), 50Hz220/230 V3~ (±10%), 60HzPower
Consumption and Operation: 3.7 kW, 10 amperes full load at 220 V3~, 50 Hz4.3 kW, 12.5 amperes full load at 220 V3~, 60 Hz 68 amperes locked rotor current
Ambient Temperature: 4˚ C to 40˚ C (40˚ F to 104˚ F)Cooling
Water Inlet Temperature: 4˚ C to 21˚ C (40˚ F to 70˚ F)
Cooling Water Flow Rate: 5.7 to 9.5 L/min (1.5 to 2.5 gpm) minimum
Dimensions (HxWxD): 504 mm x 430 mm x 485 mm19.8” x 16.9” x 19.1”
Weight: 75 kg (165 lbs.)