SuperGreen IR-14K220 Wiring Diagram 1. Unscrew the top two screws to open the box 2. Be careful the cable inside the box when open, disconnect the touchscreen display connector and board connector 3. Wiring using the diagram below
Warning:
Make sure install and use the Water Valve come inside the unit at the hot water outlet to calibrate the hot water gallon per min using this valve, without this valve, you might run into a lukewarm water. See the diagram below.