You'll need to include your ZEN51 Dry Contact relay to your network, which is also known as adding or pairing.

To auto-include your ZEN51 Dry Contact Relay:

1. Put your Z-Wave hub into inclusion/pairing mode (see your hub's manual for instructions since each brand is different). If you’re using an S2 hub, it may ask you to enter the DSK key printed on the back cover sticker to complete secure inclusion. 
2. The LED indicator will blink green to signal communication and turn green for 2 seconds if inclusion is successful.

To manually include your ZEN51 Dry Contact Relay: 

1. Put the Z-Wave hub into inclusion/pairing mode (see your hub's manual for instructions since each brand is different)
2. Click the Z-Wave button 3 times quickly.  Alternatively, if the relay is already installed, you can simply toggle the external switch connected to ZEN51 very quickly from off to on, so: "up-down, up-down, up-down."
3. The new device should appear on your hub's device list

If you've tried auto and manual inclusion but find the ZEN51relay is not including, please try exclude the device, then try including again.

Please let us know if you have any questions about the process.