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wiring works. It's going to take a little research on the owners part to declare what is involved with your heat pump system and verify proper color codes. The most common benefit of having 5 conductors is being equipped with a common wire, known as the c wire. As in who do each of the new wire's correspond with the existing 4 wires that connect to the circuit board on the existing furnace. The thermostat wire is color coded so the technician can identity which wire goes to which port on each board. How to wire a thermostat.
This type thermostat is relatively easy to connect or change over to a programmable type thermostat. This way if your color codes don't match the normal code as the chart below indicates, you can still get a good idea of which wire should go where on your new thermostat. Thermostat wire is made of multiple strands of solid copper wire, each wrapped white girls looking for sex cambodia individually with a colored shell and enclosed together inside a protective sheathing. As mentioned in the previous paragraph, the only difference might be the lack of an "R" connection. Primary heat cell relay, e Brown, emergency heat relay, y Yellow. The following image is one of the most popular scenarios today. Y - Yellow Wire (For Cooling Enable). G - Green Wire (Controls Fan ON-Auto). However your connections may seem a little different on the thermostat itself. A thermostat wire uses low voltage signals to transfer data. W - White Wire (For Heating Enable). If you decide to get rid of your outdated thermostat for a smart or wifi thermostat, be sure to mark the wires to indicate which color letter on the board they are connected.