I have a Honeywell RTH7400D programmable thermostat installed and working fine, except that I cannot change the display settings from farenheit to celsius. The package stated that it was both farenheit and celsius capable but the manual does not tell you how to switch it. I live in Canada - everything is in celsius except my thermostat.
A solution would be greatly appreciated.
Dale.
My thermostat was set on celsius and couldn't get it to change back to fahrenheit. My son suggested pressing both up and down arrow buttons at the same time and it worked. It changed back to fahrenheit.
It's in the installer setup programming.
#0320 0 = F 1 = C
www.homedepot.ca/wcsstore/HomeDepotCanada/images/catalog/1bc8473d-6394-4800-a8a7-86c96633b2aa.pdf
Page 34
Geno
For the Honeywell TH4110D1007 - go to http://www.alpinehomeair.com/related/TH4110D%20Digital%20Programmable%20Thermostat%20Installation%20Guide.pdf
Page 8.
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Awesome, it works! Thank you so much! The manual that came with the thermostat did not include those instructions. After 3 years af making do, converting from farenheit to celsius, the thermostat now reads celcius like evry other thermometer and forecast!
I have a honeywell thermostat I just got but I cant figure how to change the fahrenheit to celsius - any ideas?
what did you end up doing to switch it over?
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