Vaughn EC User Manual

2
Basic installation of Energy Controller
A. INSTALLATION
 Shut off power to water heater before installation.
 Mount the EC to a junction box using the included lock nut. The junction
box may be on the water heater or wall mounted.
B. WIRING DIAGRAMS
 Verify the wiring diagram used matches the wiring of the water heater.
 Connect the red and black 18 awg wires to the line power leads.
 Connect the red and blue 12 awg wires according to the desired wiring
diagram.
 Tighten wire nuts securely.
WARNING: Loose connections in high current circuits may cause fires.
Important:
The wiring diagram being followed must match the wiring of the tank. In the
BIW and #5 diagrams, the wires connected to L1 and L2 must be the wires that
would be connected to L1 and L2 if the EC were not being used.
C. STARTUP
 When first powering up the water heater with the EC, press ON to go
into Override Mode to allow immediate heating. The EC will follow the
control program otherwise.
Note: Pressing OFF will put EC into Vacation Mode. This should be
canceled by pressing ON to cancel Vacation Mode. If Override Mode is
desired, press ON again if Override wasn’t already selected.

Vaughn EC Specifications

General

Brand	Vaughn
Model	EC
Category	Controller
Language	English