The system introduced here is Air to Liquid type thermoelectric cooling/heating unit with 340 watts cooling power where we use heat sink with fans for heat dissipating of thermoelectric modules to cool or heat up the circulated water or liquid. The unit is designed for cooling or heating circulated liquid purpose. It can cool 4 Liters of water from 25 ˚C down to 1 ˚C within one hour, and also can be used to heat up water up to 100 ˚C. Built up with our high performance TEC series thermoelectric cooling modules, the unit demonstrates superior performance.
          340 W thermoelectric cooling/heating unit runs on 24/48 VDC with 22.4/11.2 A current drawn. When the red wire is connected to positive and black to negative it is in cooling mode, and if the polarity is reversed, then in heating mode.