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  1. Replies
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    Steve, I have to agree with Dowadudda for the...

    Steve, I have to agree with Dowadudda for the most part, if you're teaching students how to troubleshoot. Get specifics. The problem I have with instructors is in the teaching of compressor amperage....
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    Look at the RF42 and the RR16. Displacement is...

    Look at the RF42 and the RR16. Displacement is the same, but horsepower will be different. The RF is a low temp compressor (less hp) and the RR is a high temp compressor (more hp to handle the higher...
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    Powell, Powell, Powell. I'll cover you this time....

    Powell, Powell, Powell. I'll cover you this time. Schemmel said I could.

    For the JRC1-0075-PAA:

    Start cap. 43-52/220
    Run cap. 15/370
    Relay 040-0001-26

    According to...
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    Post full model number, the ending letters...

    Post full model number, the ending letters represent the electricals.

    6DY3-3000-TSK = 208/230v across the line or part winding; also 460 across the line only.

    6DY3-3000-FSD 460v across the...
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    2001, give me some help here please. Where is the...

    2001, give me some help here please. Where is the "field wiring" connected? According to the compressor wiring diagram the field wiring should be connected to the screws at Terminal 1 (#1 is under...
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    JD, the sensors should not read open, as they are...

    JD, the sensors should not read open, as they are not switches. There should always be some amount of resistance. If they are open, there is no fix or repair you can do to this compressor.

    Is...
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    This compressor has the external electronic...

    This compressor has the external electronic module with the 5 internal sensors, 4 in the motor windings and one as a discharge temperature sensor. These are all wired in series. If one is bad, then...
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    JD, How did you disable the internal motor...

    JD, How did you disable the internal motor protector? Do you have a compressor model number?
  9. Replies
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    Look at a Copeland ARE43C3-IAA. Capacity @...

    Look at a Copeland ARE43C3-IAA. Capacity @ 20/120/40/0 is 2410 btu/hr.

    Just cusious, Why is this on such an old thread?
  10. Icemeister I agree with your post. By...

    Icemeister I agree with your post.



    By using the gauges, in this case you would be looking at the R12 saturated temperatures. I believe we are saying the same thing here.



    You're exactly...
  11. Gentlemen here are my thoughts. If you convert an...

    Gentlemen here are my thoughts. If you convert an R-12 system to a replacement refrigerant then use the R-12 curve information for your amp draw. This is because most compressor manufacturers don't...
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    The DTC valve works off of the temperature for...

    The DTC valve works off of the temperature for injection. The cap tube system injects all the time when the compressor is operating. Discus Demand cooling also injects off of the temperature.

    If...
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    Ok, I understand what you're saying about the...

    Ok, I understand what you're saying about the subcooling. No addtional subcooling is required.

    Another question, You say "liquid injection solenoid". If you don't have the DTC valve, is there a...
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    Trane, verify this statement if you can. If there...

    Trane, verify this statement if you can. If there is no subcooling, then you are injecting vapor instead of liquid. This still should not raise the suction pressure through the compressor. I'm...
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    R404A, very good. I also agree the rod is...

    R404A, very good. I also agree the rod is probably broken. If the rod bolts backed out, BOTH bolts would have had to completely back out and then fall to the bottom. The reason is the piston rings....
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    Kelvinator in Manitowoc, WI became WCI. (White...

    Kelvinator in Manitowoc, WI became WCI. (White Consolidated Industries). Then they merged with Universal Nolin and moved to Conway, AR. and became Frigidaire. However, I'm not sure if they are still...
  17. Thread: What BTU?

    by basser
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    R-502 20/120 = 6850 btu/hr.

    R-502 20/120 = 6850 btu/hr.
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    "Now that's brave right there, I don't care who...

    "Now that's brave right there, I don't care who you are" (telling people that Powell is your Dad.) :p

    Powell is a super guy. All you techs in Vegas has a big advantage now.

    The "Train the...
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    Powell, whenever you guys sponsored a class, I...

    Powell, whenever you guys sponsored a class, I knew it was going to be first class and done right. A good location, good room, great food for the techs etc. I remember having the tent set up outside...
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    Icemeister, I just wanted to be sure and clear....

    Icemeister, I just wanted to be sure and clear. Thanks for finding the thread and attaching it.

    Markettech, I agree with you, making better techs is what was so rewarding when I did the COSS and...
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    I have forwarded this thread on to the COSS...

    I have forwarded this thread on to the COSS trainers. Hopefully they can clear the confusion up in the future.

    Icemeister, Are you saying you agree or disagree with my post on the previous...
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    No problem Rocket. I think I know who taught the...

    No problem Rocket. I think I know who taught the session, but they also have two newer instructors. I will be meeting with them shortly, I'll bring the situation up to them so hopefully there is no...
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    OK my turn. First off, I don't teach COSS full...

    OK my turn. First off, I don't teach COSS full time anymore and I don't know what was said in San Diego, but I'll tell you what the instructor should have said.

    We suggest a minimum superheat at...
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    Norcold phone # 937-497-3080

    Norcold phone # 937-497-3080
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    One other thing , if its not too late and that is...

    One other thing , if its not too late and that is to check piston height. If the compressor would not hold a pumpdown then you have a blown head gasket or broken discharge reeds. Look close at the...
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