THIS PRODUCT HAS BEEN DISCONTINUED AND REPLACED BY THE PEARL CONTROL SYSTEM.
https://link4controls.com/link4_controllers/
For the iPonic you want to install the Out Temp Sensor on AIN 1 & Ground (polarity does not matter)
Once hardwired and installed to controller, make sure you map the sensor accordingly.
1st you would program the controller to use the outside sensor
You would do the following
SystemSetup>SensorSetup>Advance(button#2)>MapSensors(button#1)>
Scroll down till you highlight OUT TEMP -hit OK
Highlight Analog 1 - hit OK
Hit Home Button to save Changes.
Here's a video link to better understand the purpose and benefits of having it installed on your controller.