rule "Lueftung2 AN"
when
  Item Switch_Guest_WC received update
then
  if (Switch_Guest_WC.state == ON) {
    timer = createTimer(now.plusMinutes(1), [|
      if (Switch_Guest_WC.state == ON)
        Switch_5.sendCommand(ON)
    ])
  }
  else if (Switch_Guest_WC.state == OFF) {
    timer = createTimer(now.plusMinutes(3), [|
      Switch_5.sendCommand(OFF)
    ])
  }
end