Ingersoll Rand - Rand Type - 30 Reciprocating Air Compressor - 7.5 Hp, 230 Volt 3 Phase, Model - 2475N7.5 Logo

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craig pearson Posted on Oct 04, 2016
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Wiring diagram for the two motor start capacitors. Its a 1 phase motor, not a 3 phase

Capacitor blew apart separating the two connector wires from the intact motor start capacitor and the pieces of the other. Which terminals connect from the new capacitor to the existing? There are two identical motor start capacitors and two others in the box.

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Anonymous

  • 5 Answers
  • Posted on Jul 18, 2009

SOURCE: I need to build a single phase to three phase

You will need a rotary converter for this, or a single phase motor. A three phase motor absolutely cannot be made to run on single phase otherwise.

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Silverdragon

electronic & computer repair& servicre

  • 12061 Answers
  • Posted on Nov 30, 2010

SOURCE: I need to wire in

1 phase L1 should be constant to the motor usually the black wire. then on L2 phase(usually off a contactor that is energized by some switch or device. power is sent through to your run wire directly off L2, but then a jumper from L2 to the start capacitor to one side then off the other side of the capacitor connects your start wire(usually orange or purple). Read the motor wire diagram to see what color your motor maker has designated for common start and run.


 http://www.hvacpartsoutlet.com/troubleshootacapacitor.aspx

http://www.cbb65.com/ac-induction-motor-capacitor-motor-starting-run.html
OK ONE Cap, goes in the wire with the centrifugal switch in it, the other goes as in the diagram.
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Anonymous

  • 1274 Answers
  • Posted on Dec 03, 2010

SOURCE: All three of my capacitors blew in my IR T30. I

Hi, my name is John. Welcome to FixYa. Both of the black wires go to the + side on each capacitors, and the white wires go to the - side of the capacitors. Thanks For choosing FixYa...John

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0helpful
1answer

How do i wire a start and run capacitor
There should be inside the casing a wiring diagram to suit the particular sort of motors they have used. Both will be single phase, but the compressor motor may be of 2 or 3 different design types. Usually the wiring goes like this

http://1.bp.blogspot.com/-Fes_tnAwRlw/VFM3XvivdZI/AAAAAAAAAQE/OlEhHJmleoU/s1600/diagram%2Boutdoor%2Bsamsung.jpg
.
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Oct 02, 2016 • Heating & Cooling
tip

How to Reverse the Rotation of Single Phase Capacitor-Start Electric Motors
Reversing the rotation of electric motors can be done easily with 3-phase motors. This can be easily achieved by swapping the connection of any two motor leads. But 3-phase motors are usually found and used for industrial purposes. The ones found and used in our homes, from water pumps to electric fans, are single phase capacitor-start type motors. Unlike 3-phase motors, reversing the rotation of single phase electric motors is no easy task. Swapping any two motor leads will not result in the reversal of the motor rotation. Analysis of the motor windings and connections are necessary before any modification can be done to achieve the desired result. Let's take a 3-speed single phase capacitor-start electric motor with electrical diagram shown below as an example. Make sure the motor is disconnected from the power supply before attempting to follow this tip. This tip is intended only for individuals with electrical knowledge, necessary tools, and understand the risks associated with handling electrical equipments and devices.

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The first step in the process is determining the start winding which is connected to the line (AC white) and to one side of the start capacitor. To accurately determine the start winding, disconnect all motor leads from the start capacitor and the speed switch for multi-speed motors and then setting your ohmmeter to the lowest scale (R x 1), measure the resistances between the AC white line and each of the motor leads connecting to the start capacitor. The one with the least resistance is the starting winding lead.

Once the start winding lead going to the capacitor is determined, reconnect the capacitor then connect the black AC line to the found start winding lead (marked X). Connect the white AC line to L of speed switch, the motor lead formerly connected to AC white to 3, red to 2, and white to 1 as shown below. Leave the green/yellow ground wire connection as is.

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Below are the wiring modifications for 2-speed and single speed single phase capacitor-start electric motors.

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jahn27_4.jpg

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on Jan 11, 2011 • Dryers
0helpful
2answers

Replace compacitor on Carrier 5 ton 3 phase AC
Your 3 phase unit should not have a capacitor. I'm guessing it's single phase. If it's a single capacitor than the compressor should not be going to it also. To test the motor, common to start plus common to run should equal the ohms you get between start and run. For instance, 1.2 ohms+ 2.2 ohms= 3.4 ohms. Follow the wiring diagram on the inside of the door, send model number!!

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

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Aug 29, 2017 • Carrier Heating & Cooling
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1answer

How do you hookup a universal hvac condeser motor the old one had a black wire,red and a brown wire plus the green&yellow ground the new one has a black wire a yellow then it has back connetor thats...
WHAT??? Did the new motor come with a wiring diagram? Typically you will either be using a "3 wire" connection or a "4 wire" connection. 3 wire is for using the existing capacitor (provided it's the right size), 4 wire is for using a separate capacitor. You should have 5 total wires on new motor HIGH/LOW/COMMON/CAP & CAP. Then possibly some separate wires for ground and rotation. The ground goes right where you mount the motor, rotation...make sure its blown up and out of the machine. 3 wires would be...1 SPEED 1 COMMON 1 CAP. 4 wire would be 1 SPEED 1 COMMON 2 CAPACITOR WIRES. Good Luck!!

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

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Apr 10, 2017 • Heating & Cooling
0helpful
1answer

All three of my capacitors blew in my IR T30. I failed to diagram the wiring. There are two start capacitors and one run cap. There are two white and two black wires from the motor. Does anyone know...
Hi, my name is John. Welcome to FixYa. Both of the black wires go to the + side on each capacitors, and the white wires go to the - side of the capacitors. Thanks For choosing FixYa...John
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Nov 29, 2010 • Ingersoll Rand - Rand Type - 30...
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1answer

I,m not exactley sure how to connect the wiring to the capacitor,on a three phase unit,or one that is wired for three phase (a/c).
If it is a three phase motor then it will not require a capacitor. Residential A/C compressors and fan motors have 3 wires coming out of then but they are not three phase, they are still single phase. If you are working with a residential system then you should have one wire that is common, one wire that is the start winding, and one wire that is the run winding. To connect it, L1 from the contactor would connect to one side of the capacitor. Connect the run wire to the same side of the capacitor. Connect the start wire to the opposite side of the capacitor. The common wire will connect to L2 on the contactor.
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Sep 02, 2010 • Heating & Cooling
3helpful
1answer

Wiring diagram for electricmotor with capacitor
I do not have a diagram for you, but depending on the motor, I can tell you a couple of things. 1. All capacitors are wired in series with the start winding. Most multi-speed motors, that require capacitors, have two brown leads, along with the motor winding leads. If this is the scenario, then just connect line power to neutral and the speed you wish to use, and connect the two brown leads, one to each side of the capacitor. Hope this helps.
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Apr 01, 2010 • Heating & Cooling
2helpful
1answer

I have a Cummins 1/2 hrs.bench grinder in pieces. 3 wires from the inside - Black, red, and blue. A capacitor with two male connectors on the end and a switch. How does it need to be wired?
The capacitor goes across the Line, terminals, of the Motor, The Black, should Be Neutral, the RED should be Power IN to the Switch, and the Blue, the "Other" side of the switch. The Capacitor, sometimes goes on the Spare (If any) Terminals of the "Cold" side of the Power Switch.
International color code is Red Positive or Phase, Blue, Phase or Positive, Black, usually Neutral, Negative .
The capacitor is a Suppression" capacitor,and is usually "Across the Motor terminals on "Cold" or "Switched" side of the circuit.
The circuit is simple, Neutral is "Common" the Power comes in to the Switch Contact, whereby the activation of said switch, joins the "Contacts" to the Phase. Positive, Wire to the "Motor". The "Other Terminal Wire from the Motor, goes to Common. The capacitor. Is installed in Parallel with the Phase and Neutral on the "Cold" or normally unpowered side of the circuit.
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Mar 13, 2010 • Grinders
3helpful
1answer

Wiring a 220v single phase motor and capacitor
Black and white are usually power. an ohmmeter will confirm. Brown are for capacitors. There is almost always a diagram on the motor someplace. Eric
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Jun 17, 2009 • AO Smith A O Smith Motors Century 1hp 115v...
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Rand - Rand Type - 30 Reciprocating Air Compressor - 7.5 Hp, 230 Volt 3 Phase, Model - 2475N7.5

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How do i wire a start and run capacitor

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