... ,low noise, longer life to use, easy to install and operation Water Source Heat Pump Screw Chiller Model : RO-40WD1,Cooling Capacity(KW/h ... Control:Expansion Valve8,Refrigrent : R134A9,Condenser:Shell and Tubes10,Evaporator,Heat Recovery System:Shell and Tubes11,Cold Water Flow(m3/h):25.0 (Temperature Control ...