Ask Experts Questions for FREE Help !
Ask
    goldch's Avatar
    goldch Posts: 3, Reputation: 1
    New Member
    		  
    #1

    Jul 12, 2010, 06:03 AM
    AC Refrigerant running backwards
    I have an outdoor AC unit that was just replaced about a month ago. It iced up real bad a few days ago and since then the system is just barely cooling - however what is weird is that the refrigerant is running backwards now - the little line is getting cold and the big line is warmish. Sometimes the Compressor won't come on at all and if that happens I have to let the whole system sit for an hour then start it up again. I have an indoor propane header so this is an AC only unit - not a heat pump - at least that's what they told me it was, so there is no reversing valve to get switched the wrong way. Any ideas what could be going on here?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jul 12, 2010, 06:52 AM
    Quote Originally Posted by goldch View Post
    I have an outdoor AC unit that was just replaced about a month ago. It iced up real bad a few days ago and since then the system is just barely cooling - however what is weird is that the refrigerant is running backwards now - the little line is getting cold and the big line is warmish. Sometimes the Compressor won't come on at all and if that happens I have to let the whole system sit for an hour then start it up again. I have an indoor propane header so this is an AC only unit - not a heat pump - at least that's what they told me it was, so there is no reversing valve to get switched the wrong way. Any ideas what could be going on here?
    There is a laundry list of items that could cause this but you need skills in order to test the unit to find out which one is the culprit. I suggest you contact the company that did the work a month ago since it is a good possibility they could have caused the problem and they should fix it for you.
    goldch's Avatar
    goldch Posts: 3, Reputation: 1
    New Member
    		  
    #3

    Jul 12, 2010, 10:17 AM
    Comment on hvac1000's post
    I did that and they just came out - it turns out the coolant level was low and that was causing the apparent reverse flow as well as the ice-up a week ago. Now they are telling me that the leak is "Definitely" inside house - even though they have no
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #4

    Jul 12, 2010, 02:16 PM

    Very interesting. Did you have a leak in your system before they replaced the outside unit? If not they might be jerking you around
    goldch's Avatar
    goldch Posts: 3, Reputation: 1
    New Member
    		  
    #5

    Jul 12, 2010, 02:59 PM
    Comment on hvac1000's post
    No, it ran fine for 15 years. The only thing that has changed is the new compressor yet they want to blame my AC Core because it is the oldest component rather than their new compressor, even though the leak started immediately after they installed
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

Pool pump running backwards! [ 5 Answers ]

What can cause a pool pump to run backwards and how can you fix it?

Condenser fan running backwards [ 6 Answers ]

I looked at a goodman model # ck42-1c, condenser. I realized that the fan is running backwards. I tried to look at the wiring, the one thing I looked for, was not available. Meaning, it is not a reversible fan motor. As far as the wiring, is there anything, in the wiring to the capacitor, that...

Condenser fan running backwards [ 3 Answers ]

No power problems. Condenser fan rotating wrong direction. Goodman unit. Orignal motor . No wires to switch as the orange, purple,yellow etc. is the motor bad or how can I switch the rotation? Thanks

Condenser Fan is Running Backwards [ 1 Answers ]

We are in the middle of a heat wave so at first I did not take notice, but when the house did not cool below 80 I went outside to check the unit and noted that the fan was running backwards (not blowing out the top) and cannot understand how this could happen. Can anyone shed some light on this...

Refrigerant running backwards? [ 21 Answers ]

I bought a house last year, and the AC unit, a Trane XE 1000 Mod no. TTR025C100A2 has not done a very good job of cooling my house. It runs all day and night and doesn't cool the house more than a few degrees on the best of days. I had a technician come out and look at it and when he pulled the...

View more questions Search