OLD MERCURY THERMOSTAT WIRING DIAGRAM

Thermostat Wiring Explained - Electrical Online
In this article, I am going to explain the function and wiring of the most common home climate control thermostats. This information is designed to help you understand the function of the thermostat to assist you when installing a new one, or replacing or up-grading an old one.
4 Wire or 5 Wire Thermostat Wiring Problem Step-by-Step Fix
4 Wire or 5 Wire Thermostat Wiring Problem - Question: We have a 19-year-old condo with an old Carrier mercury thermostat. We have both a natural gas furnace and an AC unit. There are only four wires going into the existing thermostat - red, green, blue, white.
Thermostat C Wire: Everything you need to know about the
Oct 25, 2014I’m upgrading from a Honeywell Mercury thermostat to a Honeywell wifi 8580. My old thermostat only used 4 wires, the white,green, yellow and red. My old thermostat didn’t require continuous power so the blue,C wire wasn’t connected. However, their was a blue, C wire in the wall, so I figured was all set.
How Wire a White Rodgers Room Thermostat, White Rodgers
Thermostat wiring details & connections for the White Rodgers brand of room thermostats. This article gives a table showing the proper wire connections nearly all types of White Rodgers room thermostats, new and old, used to control heating or air conditioning equipment, including the White Rodgers F90 2-wire and 3-wire thermostat installations.
Thermostat Wiring for Dummies – How Anyone Can Do It
Thermostat Wiring for Dummies. Heck, now I’m not calling anyone a dummy! Even the most seasoned people who enjoy DIY may come across problems with wiring a thermostat. The main trouble is dealing with those different colored wires, knowing which one does what and if that wasn’t enough, you also have numbers and letters to deal with.
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