User Manual

5. When connecting the wires to the terminal blocks, make sure the metal wire ends and the

terminal blocks completely touch. Then, tighten the screws securely. Failure to properly

tighten can result in an electrical short and burning of the terminal blocks.

Connect the power at the lower right side of the unit to the terminal block. Each pair of Ll and

L2 should have its own corresponding double polled breaker. Note that the ECO 180 unit will

be connected to two double pole circuit breakers while the EC0240 and EC0270 units will be

connected to three double pole circuit breakers (Fig.14).

ECO180

ECO240 / ECO270

Fig.14