... QTY22222*22*2Protectionhigh/low pressure, lack/reverse phase, over-heating, flow control, anti-freezing protection.Airside Heat ExchangerTypeCopper Pipe and Aluminum ... Cycle ParameterHeat ExchangerDry Shell-and-Tube High Efficiency Evaporator Water Flow(T/H)4.55.5911.29*211.2*2 Water ... 7/6oC, Input/Output Water Temp.40/45oC.3. with flow switch, water pump optional4. with cold-rooled sheet metal standard ...