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DO YOU HAVE A WIRING DIAGRAM OF THE NEW MOTOR? TYPICALLY NEW MOTOR WILL HAVE OPTION FOR MULTIPLE SPEED MOTORS.
WIRES ON UNIT NEW MOTOR
OPTION 2 YELLOW=MED/LOW
OPTION 3 BLUE=MED/HI
OPTION 4 BLACK=HI
the (white) wire is likely the neutral, red - low speed, blue - high speed.they would typically be connected thru a selector switch. however, best guess is that white would hook to incoming white neutral, and blue (or red, but not both at the same time) would hook to incoming black (hot) wire.
I have a GE P547BS fan motor. I find replace it with a Mars 10584 fan motor. GE has five wires, BRN, YEL,PUR,BLK,RED. Goes through the capacitor with the yellow going on to 200 V the purple and black go to 220 V. Mars motor as a six wire connection two Brown's go to the capacitor. yellow I'm assuming goes to the hot/neutral and a black I would say would be high-speed blue is medium and red is low. Now when I connect with this way it blows the fuse. Anybody run into this problem before? Any help? By the way, it's a 240 V single phase system.
Hello, Typically your common wire will be white, high speed- black, medium speed- yellow, medium low-blue, red- low. The motor could still run for a short time if it was wired wrong but will either trip a breaker or go off on it;s overload when it's gets hot.
Sounds like the old motor only had 1 speed. You will only need to connect one of the speed wires, probably the Hi-Black. Tape up or put wire nuts on the other 2 speeds. Connect the Hi to the red you have and the yellow to the white. The green should be a ground wire. Look at the label on the motor to verify what I have said. Let me know if it doesn't look like it matches this.
The red and black wires if ran correctly are the load lines(power). The white is neutral or ground. If its a 1/2 to1-1/2 hp motor connect the red and black wires to terminals #1 and #4. If its 2 hp use #1 and #4. If its 3 hp use #2 and #4. Connect the white wire to the green colored screw. A grounding conductor should always be connected under the green grounding screw, which is located within the terminal compartment of the motor. You can check the breaker for the wire colors, one should be black and the other red. The white wire should be terminated to the neutral/ground bar in the can.
Some one missed the wiring diagram. I believe its like this: L1 = Line 1 = (Hot all are same thing) Black Hi Blue Med Red LO Now usually the black is for AC and connects to a normally Open (NO) contact on the blower relay. The heater speed (either red or blue) go the the normally Closed (NC) on the blower relay and on one side of this wire or contact on the relay it goes to the heating blower thermostat on the furnace. The remaining wire (blue or red) you tape off. L1 also feeds the Run Capacitor on 1 side and the Brown wire feeds the opposite side
The white wire is Neutral and goes to the neutral on the main line.
If this helps you please rate me accordingly and good luck.