Question about Ingersoll Rand Type 30 Electric Driven Two Stage Horizontal Air Compressor 120 Gallon Fully Packaged Ir 2545E10VFP

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I need to build a single phase to three phase starting system for my compressor. I already have the starting and running capacitors, motor, the relays, box and wiring. I just need further instruction. I will be running off 220V single phase

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But on some motors, three phase can be run by a single phase.

with the aid of your capacitor.

Posted on Aug 02, 2012

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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.

Posted on Jul 18, 2009

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1 Answer

What would cause motor to run slow, hot and trip?


Single phase? Run capacitor or low voltage, possible compressor failure, but may be bad blockage in system building high head pressure.

Dec 17, 2015 | Heating & Cooling

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I have a Ingersoll Rand Compressor model# 2545E10V 10 HP,3 phase and I would like to convert it to a signle phase. would this motor here be good to go with and what other items will be needed to complete...


It might. Mounting holes match? Shaft diameter and adapter match? Power supply sufficient for 5HP motor? It's a big motor! You might get a better answer from the ebay supplier.

Mar 05, 2015 | Ingersoll Rand Air Tools & Compressors

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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!!

Aug 29, 2017 | Carrier Heating & Cooling

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Taking my P660 out out a building with 3 phase power and into one with only single phase. Converter says motor will run on 2/3 power. Good or bad idea????


Good!

MOTOR:

21?2 H.P., Hobart designed, high torque ball bearing,

ventilated within mixer enclosure. Single-phase is

capacitor-start, induction-run type.


Three-phase is

polyphase squirrel cage, induction-run type.


Single Phase 208V 20.0 Amps

240V 17.0 Amps


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Nov 26, 2010 | Hobart P660 Stand Mixer

1 Answer

I have a 3 phase electrical motor for my air compressor, How would i connect this from the air compressor pressure switch and towards the electrical source 120V? (for low volt)


If the electrical 120 volt source is single phase, the only way to run this motor is with a single phase to three phase converter. Best to sell the three phase motor and obtain a similar horsepower 120 volt single-phase capacitor-start motor (1750 RPM) for the compressor. You would also require a 3-phase pressure switch for use with the 3-phase motor. Hope this helps!

Nov 05, 2010 | Garden

1 Answer

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.

Sep 02, 2010 | Heating & Cooling

1 Answer

I would like to connect a pressure switch to the motor starter


hi! there, single phase compressor motor need a starting capacitor base on the rated capacity in horse power,you can check this on the tag of the compressor motor how many horsepower was indicated,it should be for single phase motor starting capacitor has a capacity of micro farads.for a 1 horsepower = 15 to 18 micro farads stating capacitor if you have more than 1 horsepower you can basically proportion the value of capacitor you need or ask the dealer how much capacitor you need on your motor the connection of pressure switch with a four terminal should be connected both on common line L1 and running capacitor line L2 .if you open the cover of pressure switch there are 4 terminals,2 terminals are connected when normally close or no pressure they connected on series connection on the common line one terminal connected to common line of the compressor and the other terminal on L1 to the pushbutton switch to L1 supply line.the 2 other terminals also connected in series withe line capacitors L2 to yhr power supply line.hope this will help you a lot.just rate my fix thanks a lot.

Apr 20, 2010 | Air Tools & Compressors

1 Answer

Have a 3 phase 7.5 HP IR compressor,want to put a 7.5 HP single phase motor on it,how do I wire the starter switch


You will use two of the original three wires. Not knowing if you have a motor starter and how it is wired makes it impossible to give you details.

BE AWARE that a 7.5 HP single phase motor is going to draw a massive starting surge compared to a three phase motor. I assume this is on a 240 volt system as it would NOT be practical to use a motor that size on a 120 volt system.

Expect to require around a 30 to 50 amp single phase feed to the motor.

Dec 20, 2009 | Air Tools & Compressors

2 Answers

Voltage 1phase or 3 phase 240 volts BTUs M# 585epo36o75


Looking at the model number, it appears to be a 3 ton. (36,000 btu) Most all residential units are single phase and most all commercial are 3 phase. One way to tell, look to see if the compressor has a capacitor. 3 phase never use capacitors on the compressors as they are not needed. Some residential units have a "Dual" capacitor. That is, it has 3 terminals, 1 common, 1 for condenser fan motor, and 1 for the compressor. Also, this info should be printed on the unit's lable.
Good Luck and hope this helps.

May 09, 2009 | Amana Comfort Zone 12M32PBEH Air...

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