• 90V to 300V input support

  • 2:22 → relay to relay connection

  • 2:58 → transformer to relay connection

  • 4:50 → circuit connection to relay

  • 7:10 → phase connection in relay

  • 7:48 → 24V supply from transformer comes in the circuit board

  • 8:45 → supply to the remaining circuit board using new 12-0-12 transformer 2 Amp.

  • 10:30 → phase input & output of transformer relay

  • 10:56 → testing & preset setting