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  1. Wow, yep itís a touch pilot. Havenít seen that on...

    Wow, yep itís a touch pilot. Havenít seen that on a 23XRV. Iím not sure. Iíll have to look into that
  2. Im pretty sure 23XRV's do not have a touch pilot....

    Im pretty sure 23XRV's do not have a touch pilot. At least I've never seen or heard of one having it. 30XV, 30XA and 30XW's have whats called a touch pilot. The 23XRV screen is a ICVC or you can call...
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    With the chiller not running go into the power...

    With the chiller not running go into the power screen. Look at voltage and amperage. Make sure all three phases are showing zero amps and make sure your voltage reading is correct.

    If this looks...
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    When you say display board I'm assuming you are...

    When you say display board I'm assuming you are talking about the ICVC. Im thinking the other board you are talking about is the CCM board. I would be shocked if the CCM board is bad. its somewhat...
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    Iíve never seen this bulletin. I searched...

    Iíve never seen this bulletin. I searched hvacpartners last week and couldnít find it. I donít need it to use. Iím just curious if it actually exist. I went into pretty good detail a few post earlier...
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    FYI: Iíve worked for Carrier for 19 years mainly...

    FYI: Iíve worked for Carrier for 19 years mainly working on 19XR chillers. Iíve never seen a 19XR teardown manual. Pretty sure if Carrier has one I would have seen it. I have seen a 19XL teardown...
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    Email me

    Email me
  8. Replies
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    5,577

    I normally try to pull about the same amount of...

    I normally try to pull about the same amount of oil out that I put in. But it could have been a little undercharged with oil to begin with. I like to leave oil level around middle of top sight glass....
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    I just noticed your approach is around 2 degrees...

    I just noticed your approach is around 2 degrees at 80%. Im curious what your approach is at 100%. Its possible dirty eval tubes or low on refrigerant. If its low on refrigerant then you could have...
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    2,756

    Im curious what your evap approach is with the...

    Im curious what your evap approach is with the chiller running at 100%. If its 2.3 degrees at 80% it could possibly be 3-4 degrees at 100%. Its possible this this chiller is low on refrigerant. If...
  11. Replies
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    2,756

    Do the chillers run 24/7? who or what controls...

    Do the chillers run 24/7? who or what controls the pumps? The chillers can easily start and stop the pumps. All of our chillers have contacts in the starter to control pumps. I would suggest doing...
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    Dont change T1 or T2 settings. Since you have...

    Dont change T1 or T2 settings. Since you have this style of surge prevention I would raise both P1 and P2. I would start off by raising P1 to 55-57 and P2 to 90. After making these adjustments back...
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    no way it could have been the float. If you had a...

    no way it could have been the float. If you had a float problem you would have seen your evaporating refrigerant temp take a nose dive until the chiller trips on low refrigerant trip. If you don't...
  14. I would think your tower could do better than 86....

    I would think your tower could do better than 86. But 86 isn't your biggest problem. The 3.2 degree condenser approach needs to be addressed. Should be around 1 degree. The same goes for cooler...
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    After you get the chiller running do you see oil...

    After you get the chiller running do you see oil return? Try to get your oil level up to middle of top sight glass. Make sure your chiller isn't doing a lot of stoping and starting. Also make sure...
  16. Replies
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    Surge prevention settings has nothing to do with...

    Surge prevention settings has nothing to do with oil loss.
  17. Replies
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    I doubt its a oil reclaim problem and most likely...

    I doubt its a oil reclaim problem and most likely not a charge problem either. This is a common problem when chiller is starting and stopping a lot. I noticed your condenser approach is a little...
  18. Replies
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    2,756

    How often is it losing oil? Does the oil ever...

    How often is it losing oil? Does the oil ever come back to the sump? is the chiller starting and stopping a lot?

    Normally when I have a XR that has no oil in bottom sight glass and is down on low...
  19. Replies
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    I forgot to say that I understand that you might...

    I forgot to say that I understand that you might not always be able to maintain 65 degree cond water. I know that we cant on a hot day. But Try to run the lowest cond water temp possible down to 65...
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    You can leave P1 at 60 but if you lower your cond...

    You can leave P1 at 60 but if you lower your cond water down to 65 then you can lower P1.

    Your tower fans will run a lot more but the money you save and the fewer headaches from the chiller will...
  21. Replies
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    If you adjusted P1 to 60 then it will solve the...

    If you adjusted P1 to 60 then it will solve the problem as far as the chiller loading. It was not the charge and it was not chilled water flow. Chilled water flow will not give you chiller limited or...
  22. Replies
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    Your problem is your entering cond. water temp is...

    Your problem is your entering cond. water temp is to high. A xrv running at 30 something percent will not load up with 85 degree entering water. P1, P2, T1 and T2 is limiting the chiller from loading...
  23. What an idiot!!!

    What an idiot!!!
  24. What did they end up doing?

    What did they end up doing?
  25. Replies
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    28,127

    I have a customer that I put a 5ton payne heat...

    I have a customer that I put a 5ton payne heat pump system with air handler (electric heat) in his house about 6 months ago. He is telling me that he is smelling a odor that smells like dirty socks....
  26. Dirty sock syndrome questions on payne unit

    Hey guys I need some help with a problem one of my customers is having. I installed a new 5 ton payne heat pump system with a air handler about six months ago. Unit has been running great.

    Since...
  27. Dirty sock syndrome questions on payne unit

    Hey guys I need some help with a problem one of my customers is having. I installed a new 5 ton payne heat pump system with a air handler about six months ago. Unit has been running great.

    Since...
  28. Replies
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    I am sure you had the old shaft seal. Once you...

    I am sure you had the old shaft seal. Once you put the new seal on you will be fine. Look at the shaft to see if there are a lot of scratches. If there are you might want to get it polished. I have...
  29. Replies
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    Looks like you are low on ref. But it is not...

    Looks like you are low on ref. But it is not because you can't see anything in the skimmer line at full load. At full load the chiller gets oil return up through the suction elbow not the skimmer...
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    lol

    lol
  31. Replies
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    honestly i'm not sure. i have never had to do one...

    honestly i'm not sure. i have never had to do one before. the guy i am working with tomorrow will know. i have only done the kingsbury myself. i have seen the roller type but it was under warranty so...
  32. Replies
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    After talking to trane service and other techs we...

    After talking to trane service and other techs we decided to go with no o-ring. 515 only. Trane has a bulliten that says they started going oringless in 1999 - 2002. We measured where you slide the...
  33. Replies
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    I appreciate the help so far. I tried earlier to...

    I appreciate the help so far. I tried earlier to use the o-ring and we got it up in place and started the bolts. We tightened the bolts and we got the two flanges so there was about a 3/16 - 1/4 of...
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    I thought there was normally an o-ring groove?

    I thought there was normally an o-ring groove?
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    CVHF ???

    I have a cvhf640 serial # L01m13663. We are rebuilding this machine and when we pulled the motor off we did not look to see if there was an o-ring. I know that there was a ton of 515 because we had a...
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    The shaft seal is leaking by. The seal is...

    The shaft seal is leaking by. The seal is probably the old style seal and it needs to be replaced with the new style seal. I would also clean up the shaft to make sure it is smooth. If the shaft has...
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    not worried. they have their own problems. these...

    not worried. they have their own problems. these compressors are junk. so if ingersol rand starts building compressors for them they will be to busy to work on our stuff.
  38. Replies
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    no, i have done about five of the teardowns. I...

    no, i have done about five of the teardowns. I never take pics. And the 23xl has a howden and ingersol rand version.
  39. Replies
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    Well, i just finished rebuilding a frame four...

    Well, i just finished rebuilding a frame four 23xl. It was a battle but we finished. Started it today and it ran great. I work for carrier and we have special tools needed to make repairs to the...
  40. XR's do not have liquid line temp sensors or...

    XR's do not have liquid line temp sensors or suction line temp sensors. Like you wrote they have a discharge temp sensor, cond. and evap. transducers that convert pressure to temperature. We do not...
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    Have your carrier branch come out and get the...

    Have your carrier branch come out and get the model number and serial number. They will also look at some other things. I am in the process of adding five VFD's to five 19XR's. I have two drives...
  42. R C D - I think it stands for replacement...

    R C D - I think it stands for replacement component division. They supply carrier parts. I work for carrier and our office orders what we need. I am not sure how someone outside carrier gets the...
  43. You need to get the shaft polished and get the...

    You need to get the shaft polished and get the new style seal from rcd. the old style seal that came on all the 23xl's sucked. They all wore out prematurely and made the machine have a hard time...
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    Yeah, I guess it is.

    Yeah, I guess it is.
  45. Replies
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    What are your initials chlorfree??? I am sure we...

    What are your initials chlorfree??? I am sure we now each other. Anyway, I guess I can't help you DITAW. I know what the problem is. Hopefully your carrier guys can figure it out. Good to see you to...
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    Do you want to get this resolved? If so, answer...

    Do you want to get this resolved? If so, answer the previous questions. I know when I have a customer with a problem I will do whatever it takes to fix the problem. Why would he call you guys if you...
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    I have not been with carrier for 29. I have only...

    I have not been with carrier for 29. I have only been with them for 10. And I 100% agree that he needs to get one of us out there. I am just saying what I think it might be from what I have seen...
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    I work for carrier and I am telling you that it...

    I work for carrier and I am telling you that it is a good possibility that somebody needs to adjust the ct ratio. I just started up a chiller that would not show 100% loaded even though the guide...
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    First of all u need to go into the service menu...

    First of all u need to go into the service menu and set your guide vanes to no more than 70%. Was the drive installed on an older xr or did it come with the chiller? Check to make sure that the drive...
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    What is your cond. approach? Possibly dirty...

    What is your cond. approach? Possibly dirty tubes. If you have a wide approach then that will hurt and give you a better chance to surge. Your approach should be between 1-2 degrees but not more than...
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