Question about AO Smith Three Phase Swimming Pool Pump Motor Ao Smith

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Starting three phase pump

How best to start a three phase pump from a timer

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First you need to have 3 phase power. Almost no households have 3 phase power availble. You would need to get a three phase converter which would cost as much as a new pump. If you have three phase power you will need a 3 pole relay that is triggered from a timer and rated for the current of the motor.

Posted on Feb 28, 2009

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Hi!3-phase motor wires brn/blue/blk no open cct.P.c.b there are no components burnt out or blown.I removed interlock switch and will buy new one and try again.Belt ok.Pump solenoid valve ok .


Check for a motor start capacitor that is defective. This can happen without external symptoms. Highly unlikely Hotpoint washer has 3-phase motor. Most household loads are single-phase. In North American residences, three-phase power might feed a multiple-unit apartment block, but the household loads are connected only as single phase. In lower-density areas, only a single phase might be used for distribution. Some large European appliances may be powered by three-phase power, such as electric stoves and clothes dryers. Three wires could be for different speed ranges or one could be frame ground.

Apr 08, 2015 | Hotpoint Washing Machines

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Gould water pump


I service all sorts of Goulds water pumps for a living but will need some more info to troubleshoot your problem. For starters would need to know what voltage feeds it, single or three phase, horsepower, type of controller (pressure switch, Variable Frequency Drive, Three phase across the line start etc.), what you are doing with it, pump model number, motor frame number, etc. etc.

May 12, 2013 | Cars & Trucks

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Hello, I have Amana LG4309W heavy duty gas dryer.


sounds like one of the supply fuses at the house panel,these 240 volt dryers are wired so the timer is on one phase(120)volt and the motor is on the opposite phase(120)volt and the heating element is on both phases for a combined 240 volts,if you lose one phase you either wont get motor operation or timer operation,and for sure no heat and you have the timer so you have 120volts

Jan 08, 2011 | Amana Dryers

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I need a wiring diagram for a three phase paragon timer model number 8145-20.


Paragon 8145-20 is a 240VAC (2 phase) timer. I doubt you will be able to find a 3 phase type timer.

I would suggest you use this timer as a control and purchase either contactors or relays rated to handle the 3 phase load.

Dec 21, 2010 | Paragon 8145-20 Defrost Timer

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I need a three phase wiring diagram for 8145-20 model timer.


8145-20 240Volt Paragon timer is not 3-phase.
Clock motor is 240V.
You need a transformer to convert 3-phase to single phase 240V to operate timer.
Then timer outputs can control 3-phase power using 3-phase contactors
Contactor below is 3 phase with 240V coil
http://www.grainger.com/Grainger/DAYTON-Contactor-2UTP7?Pid=search

Defrost timer wiring diagrams show below:
http://waterheatertimer.org/Paragon-timers-and-manuals.html#defrost

Dec 21, 2010 | Paragon 8145-20 Defrost Timer

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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

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I have a 220 440 electric motor on my 4 post 3 ton car lift which ran on 3 phase, how can i run this motor from a single phase supply, regards dave


You need to either change the motor to a single phase or check into a single to three phase converter...I would do which ever is cheaper myself. You could go single phase, but the cost of operation would be higher depending on the duty cycle.

This link may help: http://www.phaseconverter.com/starting-load.html

HTH
Mike..

Nov 20, 2009 | Plumbing

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Some submersible pumps have a gray motor box to start the pump & some submersible pumps have the new style motor box built in and is not lighting proof. some 240vac are two wire and three! I would like...


The difference in the two pumps is that with a three wire pump the start and run capacitors are in the gray box. With a two wire pump the caps. are built into the motor. Because of this with a two wire pump you only need to run the 240v down the well to the pump. The yellow wire on the three wire pumps is the igh voltage wire that come from the start cap. I have used both pums but usually use the two wire because they are easier to hookup and the wire is cheaper because you only need to run three wires. (2 hots and ground) On large HP pumps you will always have three wire motors because the caps. get too big to get them in the motor. It is best to go three phase with big pump if you can.

Nov 14, 2009 | Plumbing

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