Question about Heating & Cooling
I got this advice from Protek 480 and the live chat with another guru determined the loose wires are thermostat wires. Protek480: It sounds like a 120 volt line coming in from the pole. Red is the hot wire, white the common or neutral wire, and the green ground. Hook the red and white to the two main wire lugs in the unit and the green goes to the frame or ground lug that will tie to the frame.
I don't know what a wire lug is or where the main and ground LUGS are or look like. Thanks a lot for any help!
A lug is defined as a screw terminal made to accept one or more wires. Lugs as such are found in Circuit Breaker boxes (and on the circuit breakers themselves) Electrical junction boxes, Contactor relays such as found in Central Air units, those all being fairly large. There are also small lugs as would be associated with small wires such as thermostat wiring. Terminal diagrams for user-made connections are always provided with the unit being connected be it thermostat or HVAC unit. The thermostat comes with written documentation including diagrams, HVAC units typically have a diagram glued to the inside of the access panel.
Electricity can be your friend but can also kill you. Disconnect the power before altering or making any connections. If you don't know what you are doing, don't become a statistic, get help.
Posted on Jul 12, 2009
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Posted on Jan 02, 2017
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