How to wire a furnace or ac blower motor. On the passenger side blower motor relay i get 12v to the orange wire.
Dorman 645 512 Blower Motor Resistor Harness
5 wire blower motor wiring diagram. However some people still struggle with the wiring part of the motor to the capacitor. How to wire an air conditioner for control 5 wires the diagram below includes the typical control wiring for a conventional central air conditioning systemfurthermore it includes a thermostat a condenser and an air handler with a heat source. Benjamin sahlstrom 731231 views. Disconnect the blower motor plug from the furnace control panel by pinching the clasping tabs on the sides of the plug this will unlock the plug from the receptacle while pulling the plug straight out from the receptacle see figure 4. Using the wiring diagram for the unit that holds the blower motor it will be possible to identify the fan relay as well as the various speed terminals and terminal locations if the motor is multi speed. Mars direct drive furnace blower motors are three speed standard efficiency 13.
Technical data sheet wiring. With the blower switch in any position i get 000 on the voltmeter for the purple wire. Dayton blower motor wiring diagram download. From what i have read the purple wire is what supplies power directly to the motor it does actually connect from the relay to the blower motor. A checklist of electrical icons and also descriptions can be found on the electric sign page. How to wire a furnace or ac blower motor diy duration.
How to wire a run capacitor to a motor blowers condensers sometimes when a blower or condenser fan motor goes bad a technician or even a diyer has issues wiring the new motor and capacitormost motors come with clear instructions or a wiring diagram on the side. The usual aspects in a wiring diagram are ground power supply wire as well as link result gadgets switches resistors reasoning gateway lights etc. Wiring diagram 5 wire heatingcooling thermostat figure 4 4 9. Moreover the heat source for a basic ac system can include heat strips for electric heat or even a hot water coil inside the. Wiring was hard to figure out so if your old blower motor has a white wire i suggest a different replacement because mars 13hp rpm vac. How to connect fan coil easy 5 wire ac fan motor wiring diagram 3 speed duration.
This video shows how to wire a furnace blower motor to an extension cord how to reverse the rotation what information is needed to pick a replacement. If the blower is using a multi speed motor the settings will be labeled as high medium and low.
Gallery of 5 Wire Blower Motor Wiring Diagram
