To check if the Communication Module is installed
There is a lock on the side of the controller.
Use a hex key, or a screwdriver to help push in the lock,
and pull out the temperature controller.
If the communication chip is installed, it will be installed to the "COMM" Slot.
Below is an example of the controller WITHOUT the chip.
To Install the Communication Module
Place the controller on a flat surface, pull the two lockers to the sides, and then the control board will be able to slide out.
Place the control board on a flat surface, and install the communication module.
Make sure that the pins are aligned.
Reinstall the control board into the controller.
Make sure that the pins are aligned.
