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YORK H2RC042S06B condenser unit


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7 replies to this topic

#1 rolandvz71

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Posted 19 May 2013 - 09:30 PM

OK I am by fair a A/C tech but I do understand voltage to a certain point.

 

Problem:

Outside contactor energizes and nothing is happening....evaporator fan is running inside but no cold air

 

Checked Compressor and it OHMs out good

Also checked the fan and it too checks out good!

 

Checked voltage @ the main panel 120v to GND (L1 and L2) and 240v across (L1 to L2)---good!

 

Now I followed this vid    and here is what I get.....

 

w/the contactor energized (inside fan running) w/24V @ the coil --- voltage readings @ L1 & L2 @ the bottom of contactor 120v to GND but phase to phase I get 0v. @ the top of the energized contactor  I get 120v to ground, but phase to phase I get 0v. I should be getting 240v on top and bottom of a energized contactor.... right?? The only hmmm I hear is the contactor....no motor trying to start--- nothing!

 

So I think I have a problem w/my FLUKE meter....Soo I check the voltage @ the panel--- 120v to ground (L1 and L2) and 220v phase to phase (L1 to L2).

 

Now get this.....when I shutdown the system down OFF @ the thermostat the contactor DE-energizes I get 120v on one of the incoming lines and 0v on the other incoming line.....what the heck is up!?!

 

Is there something in the evaporator unit I am missing??

 

1st thing I thought it was was a bad capacitor just because it seemed to show all the signs of a bad cap ...its happened before so I took it upon myself to replace it and I still get nothing....

 

Its getting hotter in SE Texas need some guidance! 

 

Thx all~~!


Edited by rolandvz71, 19 May 2013 - 10:23 PM.


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#2 jumptrout

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Posted 20 May 2013 - 06:37 AM

What is the voltage reading inside the condenser disconnect panel?

Probably a bad disconnect breaker.



#3 rolandvz71

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Posted 20 May 2013 - 09:55 AM

It was the breaker outside that feeds the unit...getting 240V incoming and w/breaker closed getting 120V. Replaced breaker w/one from a big box store and she is now off and running! THX for  the good advice!

Attached Files


Edited by rolandvz71, 21 May 2013 - 03:38 PM.


#4 rolandvz71

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Posted 20 May 2013 - 04:05 PM

By chance does anyone have a electrical drawing of this unit....the one outside is faded and one 1/2 is damaged from the heat......thx!



#5 RegUS_PatOff

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Posted 20 May 2013 - 04:18 PM

I've been searching ...

do you have a part number of the diagrams ?


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#6 rolandvz71

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Posted 21 May 2013 - 03:31 PM

I've been searching ...

do you have a part number of the diagrams ?

The only part # I see is the one I tittle of the post.....Am I not looking in the right spot on the condenser ?



#7 RegUS_PatOff

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Posted 21 May 2013 - 04:04 PM

The only part # I see is the one I tittle of the post.....Am I not looking in the right spot on the condenser ?

 

do you have a part number of the diagrams ?

:rolleyes:


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#8 rolandvz71

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Posted 04 August 2013 - 03:25 PM

I've been searching ...

do you have a part number of the diagrams ?

Diagram is faded


Edited by rolandvz71, 04 August 2013 - 03:25 PM.





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