Using this Omron relay is simple. First, make sure the power is off before installation. Connect the relay to the appropriate circuit according to the datasheet. Once connected, you can turn the power back on and the relay should start working. As for maintenance, keep it clean and dry. Avoid exposing it to extreme temperatures or humidity. If you notice any issues, check the connections first. And always refer to the datasheet for more detailed information. Remember, this relay comes with a guarantee, so you can rely on its quality.