Coronado Electric Water Heater Wiring Diagram. One for the contractor to provide the installer with basic directions and recommendations for the proper installation and adjustment of the water heater. And two for the owneroperator to explain the features operation safety precautions maintenance and.
Inc vat ex vat. Electric water heater installation requires that the expansion tank pressure match the main water pressure to work effectively. Shut off the electric power to the water heater.
If you had 103 youd just find out that you have an extra wire with nothing to connect it to.
102 is the standard wiring for a water heater. Two heatersboilers two pumps cer temp. The water heater and electrical supply are properly grounded. 03330 112 112 shop by product code need help.