Trouble adding Z-wave Thermostat

Trying to add thermostat ADC-T2000 to my system. My Qolsys controller is not finding the thermostat when trying to pair.

For Z-wave devices, make sure you perform a “Remove Device” first prior to adding. Z-wave devices can only be connected to one network at a time, and if the device was tested during manufacturing it may not have been removed. On Qolsys it will be labeled as “Clear Device,” then perform the same pair procedure on the Tstat.

After that, go in and try adding, once again performing that pair procedure.

If that does not work, how far is the Tstat away from the panel?