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How do I change my Watlow EZ-Zone PM Limit Controller Temperature Units?

How to change your EZ-Zone PM Limit Controller temperature units from C to F & vice versa

1. Hold the two arrow keys simultaneously for about 6 seconds until you see the AI SET appear on the display. 
2. Cycle through the menu using the arrow keys until it says GLbL on the RED upper display and press the green advance button. This will bring you to the measurement units menu
3. Once in the temperature units menu simply press one of the arrow keys to change it to the desired unit of measure Centigrade or Fahrenheit displayed as a C or F on the upper RED menu. Once selected, simply press the RESET button twice in order to return to the home screen.


Example of changed controller