This video will teach you how to replace the DC pump of S&A industrial chiller 5200.First to turn off the chiller, unplug the power cord, uncap the water supply inlet, remove the upper sheet metal housing, open the drain valve and drain water out of the chiller, disconnect the DC pump terminal, use a 7mm wrench and a cross screwdriver, unscrew the 4 fixing nuts of the pump, remove the insulated foam, cut off the zip cable tie of the water inlet pipe, unfasten the plastic hose clip of the water outlet pipe, separate water inlet and outlet pipes from the pump, take out the old water pump and install a new pump on the same position, connect the water pipes to the new pump, clamp the water outlet pipe with a plastic hose clip, tighten 4 fixing nuts for the water pump base. Lastly, connect the pump wire terminal, and the DC pump replacement is finally finished.