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Fixing my AC Split syst.


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4 replies to this topic

#1 rbravo46

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Posted 11 July 2006 - 12:56 AM

My AC 3 ton split syst. is not cooling right. The low presure side is 70 psi. & high

presure side is 250 psi. with 88 F. ambient temp. The Compresor is consuming

8 A. instead 13 A. The return pipe on Compresor is swething & the Evaporator is

working just at 25% of his capacity.    I have replaced the Blower but still no change.

What could be causing this problem ?    Thank for any help,:huh:

 

 


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#2 exsearsguy

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Posted 11 July 2006 - 07:50 AM

Low side high, high side low, not pulling rated amps. Inefficient compressor.

#3 Dan Webster

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Posted 13 July 2006 - 06:43 PM

have you cleaned the outside unit?

 

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#4 jehiatt

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Posted 23 July 2006 - 01:51 AM

[user=10647]rbravo46[/user] wrote:

My AC 3 ton split syst. is not cooling right. The low presure side is 70 psi. & high

presure side is 250 psi. with 88 F. ambient temp. The Compresor is consuming

8 A. instead 13 A. The return pipe on Compresor is swething & the Evaporator is

working just at 25% of his capacity. I have replaced the Blower but still no change.

What could be causing this problem ? Thank for any help,:huh:
Reply: That's a lot of difference in current. Like it's not doing much work at all. Take the actual temperature of the return line at the condenser input with a service thermometer and compare it to the guages pressure/temp readings. The difference should be less than 10 degrees and five is prefereable. If not - add freon.





J woody

#5 Dan Webster

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Posted 29 July 2006 - 02:41 PM

why did you replace the blower? If you replaced the blower did you replace it with the same speed blower or opt for more speed?

 if you did you messed up

 

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