Water cooled water chiller is  also named water cooled chiller and water to water chiller with cooling capacity from 9.5KW to 236KW and adjustable temperature control range 5 degree to 30 degree, compared with Air cooled chiller, water cooled chiller is higher cooling efficiency, this kind water chiller equips with branded Copeland,Danfoss,Sanyo or Panasonic Hermetic scroll compessors depend on detailed requirements capacity,each circuit can work or stop independently for chiller safety and energy considering.