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2yu65 208 single phase

Burning out thermostats. 208 single phase. all volts seem good power where it should be. but it keeps blowing stats and is making grinding noise while trying to engage

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  • Contributor
  • 69 Answers

Are buying
r you using proper stats with correct voltage rating :)

Posted on Nov 19, 2013

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6ya6ya
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Posted on Jan 02, 2017

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techcrazy
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SOURCE: HVAC heater fan blowing backwards.

this is tech crazy

kindly rate me on the above said solution

Posted on Feb 02, 2009

t1m130
  • 86 Answers

SOURCE: Programmable T stat

your trane heat pump energizes the reversing valve with O - orange y - is to turn on the unit make sure you have your orange wire hooked up and the tstat programming set to heatpump otherwise your reversing valve might be bad

Posted on Jun 30, 2009

SOURCE: is posible run a single phase electric motor from

It is indeed possible to use ONE Phase to run a motor, You simply use One Phase and Neutral. BUT ONLY if the 3 phase is Double, more or less, the required usage Voltage, EG: 440 3 phase, will be OK, for 220 single phase, . But 220 3 Phase,will not run a 240. single Phase. So in your case is suspect not, it really will do no harm to try though. it just wouldn't work, if not enough "juice", be careful.
http://en.wikipedia.org/wiki/Three-phase_electric_power

Posted on Feb 24, 2010

heatman101
  • 43501 Answers

SOURCE: I am working with a Dayton 2YU39. The name plates

Hi,
Here's what I think but you will have to check it out...
The fan motor in the 39 heater is a 120V fan there fore it cannot be hooked to the 240 which potentially could have the high (wild) leg as one of the fan legs...
The 240V 36 unit probably has a 240v fan motor....
Now if you were to make sure that the leg that fed the motor was a 120V to ground leg then you will be okay...
Hope you understand where I was going with this...

heatman101

Posted on Oct 27, 2010

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1 Answer

Where can i obtain a wiring diagram


A one phase 3 wire system has a center tap. Two hots and a neutral. Typical 120/240 volts.
A three phase 4 wire system has Three hots in a Y or Delta. The Y system has three hots and the neutral comes from the center of the Y, this is the neutral and grounded conductor, 120 volts from hot to ground and 208 volts hot to hot. In a 3 phase system the voltage is not doubled hot to hot as in a single phase system because the hots are 120 degrees phased from each other and the square root of 3 is the factor, multiply the 120 volts by 1.73 to get 208 volts hot to hot. Multiply 208 by the reciprocal of 1.73 and get 120 volts. Your exact application is not given so it is not known. A delta system is a triangle and the angle of each triangle is a hot wire, one angle would be grounded or the center tap of one of the sides of the triangle. Y is the configuration of the windings of the alternator or transformer and Delta is the configuration as a triangle of the windings of the alternator or transformer where the power supply is.

With a three phase home service, you can only connect two hots from your single phase generator, and the neutral. One of the house's hot does not get connected and any three phase loads in the house should be switched off and kept from energyzing or a circuit breaker or fuse serving that 3 phase load may trip.
Only one power supply can be connected at a time. The power company power must not be connected at all while using an alternate power supply unless your power supply has means to synchronize the alternating cycle.

It is adviced that the loads be kept within 10% of their rated voltage, especially motors.

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Wells deep fryer 208 volt 3 element. 1 element works other two don't working left to right. Continuity good resistance good. Relay problem?


Sounds like this maybe a three phase unit and you are powering it off on single phase power. Most can be converted to single phase but will draw three times the current and requires some wiring changes. It needs to be on a three section breaker for 3 phase.

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Www eemaxinc com support


My limited research indicates this heater is designed for USA electrical systems. That would mean single phase, 240/208 volts, 60 Hz. The drawings I reviewed shows a 2 pole, 240 volt breaker feeding each heating circuit. That means no "neutral wire" goes to the heater and therefore no 120 volts is needed. This is good. Kenya's system is single phase, 240 volts, 50 Hz. The heater should work reasonably well on the African system. Connect the power just like you would in the US.

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Should check the voltage on the coil if its a 220 volt saw could have a 120 volt coil

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Where can i find ac motor connection diagrams, specifically, single phase forward and reverse, and 415v motor to 240v power diagrams? thanks andy


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1 Answer

Have a 3 phase compressor model vr5-8 want to know if it can be converted to single phase 230 volt and how


A 3phase motor cannot be rewired to run on single phase power. You need a phase converter. A 3-phase motor will only run on 3-phase power, and a phase converter will convert single phase power to 3 phase. Just google phase converter. There are two basic types, electronic and rotary. The rotary type are more powerful and efficient, but lot's more expensive than the electronic ones. Your only other option is to replace the motor with a single phase motor. Good luck.

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I have a miller cp 300. It is wired for 3 phase power. I need to hook it up to 230 volt power. How do I do this correctly.


You cannot do this... 3 phase and single phase cannot be inter used... see 3 phase is 440 V AC, single phase is 230 Vots AC. This is unless the unit has Dual capability, in this case the wiring could only be wired to a Single Phase. of the unit. You will need a slow blow breaker of the correct rating and also the cable must be similarly CURRENT rated. If it IS only 3 phase, you can purchase after market single phase to 3 phase converters, that will allow you to plug the 3 phase into a single phase circuit and work, they quite costly though.

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The compressor cuts on when the weather is warm


Hello,

Do you have a humidistat or a setting on you thermostat to regulate humidity? that would do it regardless of the temperature.

other then that, the only thing that can close that contactor to run the compressor is the t-stat or loose wire/short of the yellow control wire with the red 24V.

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