... heat exchanger 4. Auto bypass and defrosting Technical parametersConfigeuration 1. Crossflow heat exchanger -Made of Aluminum, cross flow ... R410a refrigerant, environment friendly. 6. EvaporatorPlate fin heat exchanger, with coated hydrophilic fins. 7. Connection boxCircuit board, core of ... exchanger, evaporator and condenser.10. Drain pump Integrated with ball cock to test the water level, the water ...