The Trane YC-UM-2B is a rooftop air handling unit that provides heating and cooling for commercial buildings. It is important to have a wiring schematic and fault code list for this unit in order to troubleshoot and repair any problems that may occur.
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The Ultimate Guide to Color Codes for Thermostat Wiring
A color-coded thermostat wiring chart is a diagram that shows the different colored wires used to connect a thermostat to a heating and cooling system. Each color of wire represents a specific function, such as power, ground, heating, or cooling.
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