Start switch between 5 & 7: Apply supply voltage. Upon the closure of the switch between 5 & 7 the relay operates and the time period starts. When the set time has expired the relay releases irrespective of whether the start switch is still closed or not.
Start switch between 6 & 7: Apply supply voltage. Upon closure of start switch between 6 & 7 the relay operates. The time period ONLY STARTS from the break of the switch.
