1.      Stretch the power cord, make the core cord which is remarked be firmly earthed, then put the three remaining lines be separately connected to the leading-out wire terminals of the circuit breaker(10A) (user-owned), and then connect the lead line reliably on the equipotential which is marked. Switch on the power, place the switch handle in the position of "cis", if the machine can run smoothly with no abnormal noise, it can put into working.