R R rikmayall 6 Jan 2021 I also have the same one I'm wiring today. My old programmer was a horstmann centaur plus c17 and I've attached the old wiring diagram (I think I'm diagram 4). Screenshot_2020-12-22-22-20-50-404_com.google.android.apps.docs rikmayall 6 Jan 2021 IMG_20210106_115318 rikmayall 6 Jan 2021 IMG_20210106_115328 rikmayall 6 Jan 2021 IMG_20210106_115339 rikmayall 6 Jan 2021 IMG_20210106_115309 rikmayall 6 Jan 2021 Read more: https://www.diynot.com/diy/media/albums/smart-thermostats.27350/#ixzz6iluo6RjC
I also have the same one I'm wiring today. My old programmer was a horstmann centaur plus c17 and I've attached the old wiring diagram (I think I'm diagram 4). Screenshot_2020-12-22-22-20-50-404_com.google.android.apps.docs rikmayall 6 Jan 2021 IMG_20210106_115318 rikmayall 6 Jan 2021 IMG_20210106_115328 rikmayall 6 Jan 2021 IMG_20210106_115339 rikmayall 6 Jan 2021 IMG_20210106_115309 rikmayall 6 Jan 2021 Read more: https://www.diynot.com/diy/media/albums/smart-thermostats.27350/#ixzz6iluo6RjC