Lux Products KONO Installation Manual page 6

Step 1.5: Use the included wire labels to mark which wire is connected
to each terminal in your old thermostat. Take a picture of your current
wiring layout – it may be helpful to reference this picture later.
Step 1.6: Confirm if you have a C-Wire. If you do, please turn to the
next page. If you do not, please skip ahead to page 11.
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