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Electrical diagrams The zero terminal of the power getting to the tool is connected to the switch & fuse, and the phase side is connected to the side that is going directly to the filter (which is connected to the power board). Is that right? shouldn't it be the other way? Should I swap the 2 inlet power terminals?

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Hi, you are lucky! i have an open tunturi treadmill in front of me. i sent you 2 photos to help you.
greetings from Greece
electrical diagrams - 8fb95be8-2250-44fb-a07d-1f6350cdf00f.jpg

Posted on Oct 21, 2013

Testimonial: "Yes, it is the same as mine. It still leaves the question. Probably it is a design error (it will work this way but it is a safety hazard) Thanks anyway"

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Posted on Jan 02, 2017

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SOURCE: Star Trac TR4500 Treadmill. Need help connecting the display

I recently took mine apart if you still need the exact details.

Posted on Mar 29, 2009

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Essick air compressor wiring diagram


telepathy do not work that hot as in hollywood movies...

you need to provide a model or at least if this is three phase or single phase...

single phase is easy, you have cord with three wires, earth, active and neutral.

you need to open connection box on your compressor and you will find three wires there terminating in junction box, earth connect to earth (usually green or green with yellow stripes), then you have your neutral (usually brown or black) and active (usually blue or red), connect them, do not put cover on yet, plug cable into the power point and switch on/off power. check if motor is rotating in correct direction, if fuses are not blown... if motor is rotating in wrong direction - switch power wire with neutral wire, it just meant that you wired it in reverse...

do not need diagram for that...

do not forget to give some points...

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Proper Gaggenau EB294 Oven Terminal Block to Cable Harness wiring


If its brand new, most possibly the electrician did not bridge the mains connection.
It sounds like an installation fault.

There is usually a jumper between 1-2-3 on the L connection on the mains, and a jumper between 4-5 on the N connection.

Oshie

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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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on Jan 11, 2011 | Dryers

Tip

How a "Heater" or anything that has a "Load" works, & How to troubleshoot.


A Heater, is a real simple circuit. There are only TWO "Active" wires in any Electrical Circuit, the Phase, Positive, & Neutral, Negative, usually Negative & We also have an Earth, the Earth & Neutral are at the same, "Potential", IE:0 Volts. So imagine it like this, from the left we have a a Power wire, the Phase, this Wire, goes to One terminal on the On/Off Switch, this is called the "Hot" side, of this switch, This switch, when operated, "Breaks" the Phase line, or circuit, From the other terminal,the "Cold" side of the Power Switch, That wire, circuit, then goes from that "Cold" side of that switch, usually, to a "Thermal Fuse", wired in "Series" this "Fuse" is "Normally Closed", when/if, there is an "Overheating Condition", this "Device" will go "Open Circuit". Thus Breaking, the Phase Power, OFF, from the "Element", or "Load". Connection. This wire then goes, from the other terminal of that "Fuse" to the "Hot" side of the "Element". Now the other side or "Cold" side of the "Element" or "Load" then goes to "Neutral", or, return. Thus the circuit is now complete. Now the Earth, the MOST important wire, is bonded to the/any metal case &/or fittings of the unit, thus any "Hot" wire that may break, or touch, the "Earth" will cause a "Short Circuit" to Earth,and "Blow" the Circuit Breaker or Fuse on the Main Power Board. Thus affording protection from shock. Troubleshooting is simply following continuity along the circuit path, and the measuring of the On/Off components for integrity, and the/any "Fuses" and the "Resistance" of the Elements. This can be worked out from OHMS LAW, Volts = Amps multiplied by Resistance. Watts = Amps x Volts. From those two simple calculations we can glean the "Resistance" of the "Load" and what it should be. Then we can measure against that to see if there is any disparity, which would indicate the fault. EG: We have a heater it is 2000 Watts, it is in USA and the Voltage there is 120 Volts. First we must get our Current draw, we then divide the Wattage by the Voltage to get our Current draw. So, 2000 Watts, divided by 120 Volts, this equals, In our case, it is, 16.66 Amps. Now we know our Amps we can workout the Resistance of what our Elements will/should be. Now we Divide the Voltage by the Amperage to get this figure, in our case, 120 divided by 16.66 Amps, which is 7.2 OHMS, if there were 2 elements they would simply be 3.6 OHMS each, or any ratio of that. Now sometimes Heaters have a "Thermostat" this device is Powered from the Line, Phase, & Neutral, and using temperature sensing, it will act like a Switch, that is turned on & off, when a "Condition" Chosen Temperature, is met. It simply Breaks the Phase to the "Load". These "Contacts" are in series, with the Phase, and "Act" just like a/the Power Switch. Now in fault finding, we look for "Open" circuit where it should be "Closed" and "Closed" circuit where there should be "Open", also the "Resistance" of the "Elements" or "Load". So basically we are looking for, "Open" or "Short" circuits, and disparities of Resistance.. We remedy same by "Joining" up the "Break" or "Removing" the "Short" and replacing faulty "Loads" or "Elements".

on Mar 02, 2010 | Heating & Cooling

1 Answer

Electrical diagram for contactor (240 v/1 phase/24 v coil)


How to connect motor 1 phase with mcb , contactor , timer ,switch selector on off on , and lamp indicator

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Need power input wiring diagram for 230V use


you can get the manual here:
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1 Answer

How does electric heater works? what are the concepts of electric heater.


A Heater, is a real simple circuit. There are only TWO "Active" wires in any Electrical Circuit, the Phase, Positive, & Neutral, Negative, usually Negative & We also have an Earth, the Earth & Neutral are at the same, "Potential", IE:0 Volts. So imagine it like this, from the left we have a a Power wire, the Phase, this Wire, goes to One terminal on the On/Off Switch, this is called the "Hot" side, of this switch, This switch, when operated, "Breaks" the Phase line, or circuit, From the other terminal,the "Cold" side of the Power Switch, That wire, circuit, then goes from that "Cold" side of that switch, usually, to a "Thermal Fuse", wired in "Series" this "Fuse" is "Normally Closed", when/if, there is an "Overheating Condition", this "Device" will go "Open Circuit". Thus Breaking, the Phase Power, OFF, from the "Element", or "Load". Connection. This wire then goes, from the other terminal of that "Fuse" to the "Hot" side of the "Element". Now the other side or "Cold" side of the "Element" or "Load" then goes to "Neutral", or, return. Thus the circuit is now complete. Now the Earth, the MOST important wire, is bonded to the/any metal case &/or fittings of the unit, thus any "Hot" wire that may break, or touch, the "Earth" will cause a "Short Circuit" to Earth,and "Blow" the Circuit Breaker or Fuse on the Main Power Board. Thus affording protection from shock. Troubleshooting is simply following continuity along the circuit path, and the measuring of the On/Off components for integrity, and the/any "Fuses" and the "Resistance" of the Elements. This can be worked out from OHMS LAW, Volts = Amps multiplied by Resistance. Watts = Amps x Volts. From those two simple calculations we can glean the "Resistance" of the "Load" and what it should be. Then we can measure against that to see if there is any disparity, which would indicate the fault. EG: We have a heater it is 2000 Watts, it is in USA and the Voltage there is 120 Volts. First we must get our Current draw, we then divide the Wattage by the Voltage to get our Current draw. In our case, it is, 16.66 Amps. Now we know our Amps we can workout the resistance of what our Elements will/should be. Now we Divide the Voltage by the Amperage to get this figure, which is 12 OHMS, if there were 2 elements they would simply be 6 OHMS each. Now sometimes heater have a "Thermostat" this device is Powered from the line, and using temperature sensing, it will act like a switch, that is turned on & off, when a "Condition" is met. It simply Breaks the Phase to the "Load" These "Contacts" are in series, with the Phase, and "Act" just like a/the power switch. We look for "Open" circuit where it should be "Closed" and "Closed" circuit where there should be "Open", also the "Resistance" of the "Elements" or "Load". So basically we are looking for, "Open" or "Short" circuits.

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1 Answer

How do i connect he differenial pressure switch into the 3ph star/delta starter circuit?


Your question is a bit unclear, but I assume you are asking how to wire the pressure switch in a piston compressor.

See the diagram, below.

You should have a wire from the L1 (first incoming main voltage) terminal to the pressure switch, and from the other pressure switch terminal back to the starter coil. You will also have a wire from L2 (second main voltage terminal) to the overload, and from the other overload terminal to the other side of the coil. In this arrangement, the motor starter coil must be rated at the SAME VOLTAGE as your incoming power.

This diagram works the same for single phase machines (they just don't have the third wire coming from the supply through the starter and overload to the motor.

If your machine has other safety controls (like a low oil switch), It can be wired in series with either the pressure switch or the overload.
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1 Answer

How do i connect the differential switch into the 3ph star/delta starter circuit?


Your question is a bit unclear, but I assume you are asking how to wire the pressure switch in a piston compressor.

See the diagram, below.

You should have a wire from the L1 (first incoming main voltage) terminal to the pressure switch, and from the other pressure switch terminal back to the starter coil. You will also have a wire from L2 (second main voltage terminal) to the overload, and from the other overload terminal to the other side of the coil. In this arrangement, the motor starter coil must be rated at the SAME VOLTAGE as your incoming power.

This diagram works the same for single phase machines (they just don't have the third wire coming from the supply through the starter and overload to the motor.

If your machine has other safety controls (like a low oil switch), It can be wired in series with either the pressure switch or the overload.


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1 Answer

Need to install power cord to terminals on 220 AC motor


Ok, read the data plate on the motor. Does it have a zero with a line straight through it. That means it's single phase. Also the plate may list two different voltages 110/220ac correct. On the inside of the panel of the box where the cord connects it will have a two diagrams. One marked low voltage, the other high voltage. You want 220ac so follow the high voltage diagram. Since it's single phase the green wire will go to a green screw in the box. The black wire from your cord is positive and the white negitive (actually neutral but shown on diagrams as negitive). The wire coming out of the motor will have numbers on it's casing. Follow the connection points on the diagram. Don't worry if you hook them backwards the motor just won't turn. It won't hurt anything.

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