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Electric motor and speed control circuit diagram

I am trying to build a R C model aircraft with an electric motor with speed control

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Electric motor single phase 3 speed 12.5mfd. 500v. working capacitor.

How do I wire them up?

Posted on Jun 17, 2011

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Start Here, ( RC motor speed control) if not helpful post back with more details.

Posted on Sep 27, 2008

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Posted on Jan 02, 2017

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I have a 2007 HHR, my temp gauge stops working and the same time the a/c stops blowing cold air...I called myself checking fuses and a relay, can you help?


You mean the blower motor stops blowing air , the A/C compressor is still engaged ? The temp gauge shouldn't have anything to do with the blower motor .But stranger things have happened on these systems when they are controlled by a electronic module (BCM )
Circuit/System Description
The instrument panel cluster (IPC) displays the engine coolant temperature as determined by the engine control module (ECM). The ECM sends the temperature data via high speed GMLAN serial data to the body control module (BCM). The BCM then sends the information via low speed GMLAN to the IPC in order to display the engine temperature.
The BCM applies voltage to the blower motor through the HVAC relay. The resistors and the blower motor are in a series circuit. The following list represents the number of resistors in series with the blower motor per particular speed request:
• Low speed--4 resistors
• Medium 1 speed--3 resistors
• Medium 2 speed--2 resistors
When the operator requests High speed, the HVAC control assembly applies ground directly to the blower motor through the high blower motor control circuit.
Do you know anything about automotive serial data communications ? GMLAN Is general motors version of C.A.N controller area network .

How to Diagnose Controller Area Network CAN

Do you know anything about diagnosing automotive electronics ? Using a digital volt ohm meter ? Using wiring diagrams to pin point locations in a electrical circuit for testing ? Do you know what a factory componet location diagram is ? It takes more then looking at fuse's an relays , to see if current is flowing in a electrical circuit .

Electric Testing Techniques You Need to Know

ECM Inputs and Outputs Diagnosis

http://www.bbbind.com/free_tsb.html Free wiring diagrams ! Enter vehicle info. Year , make , model and engine size ! Under system click on HVAC , under subsystem HVAC Controls . Then click the search button , then click the first blue link . This is the blower motor control diagram . Do you know how to read a wiring diagram ?

Apr 30, 2017 | Cars & Trucks

1 Answer

How do I troubleshoot the cruise control of a 2003 Alero?


It's probably a problem with cruise control module , located under the hood in engine compartment . Or a bad connection somewhere . Do you know how to do electrical testing ? Is the air bag light lit on the instrument cluster ?

Could have DTC'S - diagnostic trouble code's stored .
DTC P1554
The powertrain control module (PCM) inhibits cruise control operation when certain conditions are not appropriate for cruise control operation. The PCM removes the ground from the cruise control inhibit signal circuit in order to disengage cruise control operation.
DTC P1585
Output driver modules (ODMs) are used by the powertrain control module (PCM) in order to turn on many of the current driven devices that are needed to control various engine and transaxle functions. DTC P1558 set indicates that an improper voltage level has been detected on the signal circuit which controls the cruise control inhibit circuit.
Action Taken When the DTC Sets
• The PCM will not illuminate the malfunction indicator lamp (MIL).
• The PCM will store the conditions present when the DTC set as Failure Records data only.

Cruise control is a speed control system that maintains a desired vehicle speed under normal driving conditions. However, steep grades may cause variations in the selected speeds. The electronic cruise control system has the capability to CRUISE, COAST, RESUME SPEED, ACCELERATE, and TAP-UP or TAP-DOWN.
The main parts of the cruise control system are:
• The cruise control module assembly
• The function control switches
• The cruise control release switch
• The clutch pedal position switch (CPP), if equipped
• The stop lamp switch assembly
• The vehicle speed sensor
The cruise control system uses the cruise control module assembly to maintain the desired vehicle cruise speed and operation. The cruise control module assembly has an electronic controller and an electric stepper motor to vary the throttle in each different cruise control mode. The electric controller monitors vehicle speed and operates the electric stepper motor. The stepper motor operates in response to the electronic controller, to maintain the desired cruise speed. The electric stepper motor moves a strap that is attached to the cruise control cable which moves the throttle linkage. The cruise control module assembly contains a low speed limit which will prevent system engagement below a minimum speed of 40 km/h (25 mph). The module assembly is not serviceable.

Dec 11, 2016 | 2003 Oldsmobile Alero

1 Answer

Table fan winding&connection daigram


  • I have a Bionaire brand table electric fan.
    • It has a 3 speed fan motor.
    • The electric motor is a BM-122 Decomin brand 3 speed motor.
      • There are 6 wires:
        • Red wire.
        • Black wire.
        • White wire.
        • Yellow wire.
        • Gray wire.
        • Blue wire.
          • The motor has a 4mu 250volt capacitor.
  • This fan has an oscillating grill with independent sync motor, and timer circuit.
  • Something was wrong with the solid state circuitry (everything worked but the motor!), but a quick test of the motor indicated it does work.
  • The motor uses a start and run capacitor.
  • I decided to change controls to a simple mechanical switch and fore go for now anything beyond 3 speeds.
  • The printed circuit board shows the following connections:
    • Black wire
    • Blue wire
    • Yellow wire
      • Are respective for the:
        • High fan motor speed
        • Medium fan motor speed
        • Low fan motor speed
  • I think the gray wire goes out to the oscillator motor.
    • The Red wire is marked as Line, for the power source.
  • All wires are in continuity with each other EXCEPT RED is not with any other wire. How to Verify Fan Motor Wiring Connections
    • Checking the Motor and Capacitor Connections
    • Double check your connections using the fan wiring diagrams.
    • You should see that there is a separate motor winding for high speed.
      • The concern is that there is a capacitor for the motor.
      • So I'm thinking that the motor may have to start with the slower speeds first.
      • and not start in the high speed because the motor or capacitor has not been designed for that type of operation.

Sep 29, 2016 | Dryers

1 Answer

I have no fan speed on my auto temp heat or ac


Replace the motor ! Test the electrical circuit ! Don't know anything about automotive electrical circuit ? Go on youtube an check out video on basic electrical trouble shooting , Also Voltage drop testing a circuit . How to read a wiring diagram . Then go to http://www.bbbind.com/free_tsb.html free wiring diagrams . Test the circuit . Do a current draw test on the blower motor . You need a amp meter to do this test .

Dec 15, 2015 | AC Cars & Trucks

1 Answer

Hi,I have a travel trailer 37ft. Problem with my ac, the fan starts good but my compressor does not kick on. My next door neighbour says it's the compressor that is done. Could you help me?


see this causes and fix it. God bless you
Motor Trouble Cause Diagnostic Procedure Repair Procedure Electrical Power is Off Check that all service switches for the equipment are in the "on" position.
Check for voltage at the pump motor or pump controls. If no voltage is found, check for voltage at the electric panel.
If power is on to the building, check fuse or circuit breaker serving the electric motor that won't run.
Check for local reset button on the motor (popped out = off )
Check for other power reset or power off buttons such as an access door compartment safety switch that turns off power to the equipment (found on A/C blower compartment doors)
Turn on "off" switches.
Replace bad fuse. Reset circuit breaker; if necessary replace bad circuit breaker.
Let hot electric motor cool down, then push in its reset button.
Be sure all safety interlock switches such as on compartment doors are depressed and that the doors are securely shut. Replace a bad safety switch.
See
ELECTRICAL POWER SWITCH FOR HEAT
FAN AUTO ON Thermostat Switch
WATER PUMP ELECTRICAL SWITCHES
CIRCUIT BREAKER FAILURE
ELECTRIC PANEL INSPECTION
Blown fuse, tripped breaker Replace fuse or breaker - does the pump run and keep running normally? Be sure proper breaker or fuse size in ampacity is installed - ELECTRIC PANEL INSPECTION Low voltage to the motor Check with VOM at the pressure control switch or at the motor wiring Be sure the proper size of wire is used for the ampacity and length of circuit; Test for low voltage to the building. Loose, improper, or broken motor wire Check wiring against the motor installation manual diagram, check all connections for tightness, shorts, burns, damage Rewire or repair or replace wWhen a sealed compressor motor has "burned out" this means that the internal wiring of the motor has become irreparably damaged: the compressor motor windings may be burned and shorted together or shorted to the steel shell of the motor, or the windings may have burned and simply become "open" or disconnected. If the motor has burned out in either of these ways it needs to be replaced.

Oct 08, 2012 | Dometic Rooftop RV Air Conditioner

1 Answer

My motor has 5 speeds in foward and 3 in revers when i put it in foward it goes backwards


Look at following diagrams to help sort out electric motor wiring.
The wiring diagram should show on side of motor.
Here is basic motor wiring:
http://waterheatertimer.org/images/Motor-wiring-500.jpg
Test each lead as shown in following image. In the case of 240Volt, the 2nd wire is not Neutral, but testing is same.
http://waterheatertimer.org/images/Motor-capacitor2-800.jpg
If you have 2 speed motor, then you will have switch or timer controlling the speed:
http://waterheatertimer.org/images/GM40-wiring-2-speed-pump-400.jpg

Oct 05, 2012 | MotorGuide STANDARD MOTOR REPLACEMENT...

1 Answer

Motor growls & low torque. Need a wire diagram to check for proper wiring.


I'm not sure what happened on here, but your problem with a motor is listed under the heading for a 200amp main breaker. What kind of a motor are you talking about? Gas, electric? what brand what model?

Aug 19, 2010 | General Electric GE ELECTRICAL TQD22200X2...

1 Answer

With new charged batteries, scooter shuts down after about 2 miles, after waiting a few minutes it will run normal. The indicator does not show a low battery.


Hi. I have had this fault on a few machines, but its not always the same problem.
When scooter motors have done a lot of work, they develope a build up of carbon dust from the brushes. This dust can cause a short or the commutator might be slightly out of round, causing the brushes to vibrate or bounce. The electronic controller is always monitoring the speed of the armature, and if this signal is interupted, the the controller can shut down the motor. Test the motor with a multi-meter on OHM's, from one of the brushes to the frame of the motor. If there is no circuit, then there is no build up of carbon. If there is a circuit, then you might need to overhaul the motor.

Also check the battery lead connectors, and the motor lead connectors. I have had to remove many of these for bad connections. Really bad connections will have burnt or melted the plastic housings.
Good luck. Neil.

May 04, 2010 | Electric Mobility Mobility Electric Power...

2 Answers

Blend door for front temp control is stuck in the 'cold' position this winter. Is there a way to manually move and fix the door to get some heat?


you have to replace the blend (heat/cold) door motor, you can try to remove motor and turn door and try to jam something in door handle slot ,that the part that the motor turns,hope this helps.

Dec 26, 2009 | 2001 Ford Windstar

1 Answer

Schematic for EV Warrior Electric Bike


I have a PDF of the schematic i drew for my bike. it is posted on the Yahoo power-assist group. look in the files section.

http://tech.groups.yahoo.com/group/power-assist/files/EV-Warrior/

there is also a text file there that lists all of the wiring connectors and where each of the wires goes. as well as connection diagrams for the Curtis 1505 speed controller.

the charger circuit is very simple. the black and red wires from the charger port go straight to the batteries +24V and 0V terminals. the third white wire connects through a bullet connector to pin#7 (EPO wire) of the Curtis speed controller. this acts to turn off the motors while the batteries are being charged.

inside the charger male connector the pin for that 3rd white wire is shorted to ground. so when you plug the charger in the white wire is grounded thru the charger plug.

have fun. i really enjoyed my EV-Warriors while i could still ride them.

rick



Mar 12, 2009 | Electric Bicycle Motor, Bike,electric...

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