... motors, low noise 6 poles, protection level IP54, provided with a protective outlet grille.EVAPORATORHigh efficiency tube ... way valve.HYDRONIC CIRCUITBuilt with air vent valve, water drain connection, water circuit safety valve, water pump (For smaller ... regulator (Optional);(9)Programmable microprocessor controller;(10)Heat recovery functions (Optional) Air cooled water chiller with heat pump OEM