You can swap the the module assigned to your account at any time in the system manager here. Expand the Swap Cellular Module/Panel section to get started.
Steps to clear and add Z-wave devices on the IQ panel below:
The order of operations isn’t crucial, as you will be connecting a new panel, it will have new node ids for your devices and rules/notifications will need adjustment. However I would recommend swapping the panel assigned to the account, then clear and add Z-wave devices one by one.