How can I change the frost protection temperature in the Edge? November 18, 2019 01:52 Updated Follow Use the up/down keys to change the temperature. The number that flashes will be the set temperature Press Done. Related articles Changing the Program Mode on your Slimline Thermostat What is Frost Mode on the neoStat ? How do I adjust the temperature on the neoStat? How can I unlock my thermostat? Can I use Edge with the UH4 / UH6 or UH8?