Automatic ON OFF
Upper Switch is upper level
Lower Switch is lower level
1. If water is filled in the tank both switches are NC (Normally Closed) and then automatically motor will off
2. If water drained first upper limit switch become NO (Normally Open) and motor is not turn on until the lower level switch became NO (Normally Open).
3. If both switch become NO (Normally Open) and motor will turn on until both upper and lower switch became NC (Normally Closed)
