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My compressor showing t2 sensor fail - Ingersoll Air Tools & Compressors

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How do i rewire a broomwade 3 phase compressor 1970


Rewire for ?? High voltage motor wiring is L1-T1, L2-T2, L3-T3, T4-T7, T5-T8, T6-T9. Low voltage is L1-T1-T4, L2-T2-T5, L3-T3-T6. The motor protection overloads will need to be sized accordingly, to the motor's FLA ( full load amps) for the voltage used. The control needs to be looked at also, if there is a control transformer, the transformer needs to be wired or repaced for the new supply power voltage used.

Mar 12, 2015 | Air Tools & Compressors

1 Answer

I have a leeson 5ghp air compressor motor i am connecting it to a puresor switch ther is a T1 a T2 and a P1 wire i need to know where the P1 wire gos


Pressure switches usually have two or four connections. All they are are the in and out terminals for the switch or switches that the pressure sensor activates. They are usually labeled to keep them separated between in and out but it doesn't make much difference to the motor.


The multipurpose pressure switch may have a common (C), normally open (NO) and a normally closed (NC) terminal, three screws to put wire on. If this is what yours has and you have a 120VAC system, you need to attach the "hot" wire to the common terminal and one lead from the motor to whichever other terminal has continuity to the C terminal when the pressure is low, if you don't have a meter, just hook it up and if it doesn't work right move the lead to the motor to the other one. Nothing will be connected to the other terminal. The Neutral power wire will go directly to the motor.


If you switch has four terminals (two switches inside) you can attach both the neutral and the hot to one set of terminals normally labeled L1 and L2. These terminals NEVER connect to each other through the switch, they always connect to the output terminals, normally labeled T1 and T2 or any other designations desired.



If you have a 220VAC motor, you still only have two leads to the motor and they connect the same way with a two switch, four terminal set up. You would connect the two hots to L1 and L2 and the two motor leads to T1 and T2 (if so labeled).

If this doesn't help, add a comment and I'll try to explain it some more.

Sep 30, 2012 | Electric "Leeson Air Compressor Motor - 5...

1 Answer

I have a single phase copland compressor NEW ( AG133ET-001)that i just replaced. i wired common leg from contactorsT3 to compressors T3(common winding,From contactors T1 to compressors T2(Run winding?)...


you will have to look at the schematic for this theirs different units that wire different way but that sounds correct the way you have it you can double check reverse the start and run always write this down when doing these the supply house can help you to be sure just ask them say hay the diagram has worn away what is t1,t2,and t3 double check your cap it could call for a different size all compressors that ive seen does take a start capacitor some even require start assist kits unless they are three phase what is this compressor going on email me I will help you more and even call my supply house if need be pendletonheatandair@hotmail.com

Sep 14, 2010 | Heating & Cooling

1 Answer

I have a EP15-SE I have a code on the screen


T2 represent for temperature sensor. Check sensor at the bottom of air end.

Feb 16, 2010 | Ingersoll Rand Stationary Air Cooled...

1 Answer

Where do the wires from the compressure go to on main base


Wiring up a compressor
The Start wire goes to one side of the run capacitor it will be the only wire on that side of the capacitor.
The Run wire goes to the terminal side (T1 or T2) of the contactor, it will have another
wire from that terminal to the run capacitor which is the opposite side of the start wire.
The Common wire will go to the other side of the contactor (T1 or T2).
Start Kit
Start from the capacitor to terminal #1 on start relay There should be another wire from
here to start on the compressor.
Common from contactor ( T1 or T2) to terminal #5 on start relay. There should be a wire from this terminal to the Common terminal on the compressor.(there will not be a capacitor in this circuit)
Run from the other side of the contactor ( T1 or T2) to the start capacitor and from the other
Side of the start capacitor to terminal #2 on the start relay. There should also be a wire from this
Terminal to Run on the compressor.

Jan 14, 2010 | Heating & Cooling

1 Answer

Compressor won't switch on, have tried reset switch and circuit breaker, but though the wall unit comes on the compressor wont..anything I can do? This has three phase power Mitsubishi..Mr Slim


If you have any experience in working with electrical systems, you can, but if not you should call a service technician.
First being very careful, check to make sure contactor is engaging.
Then check to see if you have the same voltage across all three wires on the compressor side of the contactor, assuming this is 230 volts, check T1 to T2 should have 230 volts, then check T2 to T3 should have 230 volts then check T1 to T3 should have 230 volts. If you have 230 volts to all 3 wires then the compressor is bad probably an open winding and needs replaced. Before replacing the compressor you need to check the resistance (with an ohmmeter) between all 3 terminals at the compressor. In order to do this you need to disconnect all power to the unit and ohm the compressor terminals from T1 to T2, T2 to T3 and T1 to T3 they should all have the same resistance if they do then the windings are good and the compressor is locked up, if one of the the windings is different then the windings are bad, either way the compressor needs replaced.

Nov 08, 2009 | Mitsubishi Mr. Slim MXZ30TN Air...

3 Answers

What does the error EdoH mean


Over temperature signal from motor temperature sensor. Error can only be reset once the display reads E.nOH. Causes:
*Resistor at terminal T1:T2 > 1650 ohms * Motor overloaded (getting hot) *Temperature sensor defective

Aug 18, 2009 | Inverter KEB COMBIVERT F5

1 Answer

A/c compressor runs, no fan


did you ohm the relays to verify a correct path? It sounds like the relay contacts are not "making" and providing a pth for flow.

Jul 12, 2009 | Heating & Cooling

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