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  1. Replies
    16
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    2,048

    From what I read the pressure should be highter...

    From what I read the pressure should be highter during unloading. I think using an adjustable oil diff control is the best way, you can set it the way you want it.
  2. Replies
    26
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    12,895

    Any follow up to this post? Had a prospect ask...

    Any follow up to this post? Had a prospect ask me to quote retro fitting an old mcquay centr chiller to 3 turbo cores....I said no way! not us....... I would rather see you invest in a new chiller...
  3. Replies
    16
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    2,048

    End bearings looks like swiss cheese the wall is...

    End bearings looks like swiss cheese the wall is so worn out its almost paper thin.
  4. Replies
    16
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    2,048

    just opened up compressor today 10 months after...

    just opened up compressor today 10 months after start up, found main bearing seized and worn end bearing. Not good!
  5. Replies
    16
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    2,048

    Have a new reman trane crhe100 R22 compressor oil...

    Have a new reman trane crhe100 R22 compressor oil net pressure on start last year 73psi This year start up check found net oil at 40psi running unloaded at 60psi suction. This is 2nd...
  6. Replies
    21
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    2,424

    Had similar problem with 80% 1997 amana, no heat...

    Had similar problem with 80% 1997 amana, no heat calls intermitted. Got there unit is calling, inducer running, ignitor is on, not gas? checked all safeties ok? tested incoming voltage to gas...
  7. Replies
    11
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    1,811

    Had 123 volts from voltage terminal on board to...

    Had 123 volts from voltage terminal on board to board neutral. So relay and board are working. Its a run capacitor PSC motor. Funny thing is the sound is like a howl sound. New motor, new...
  8. Replies
    11
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    1,811

    Funny 6 years later on a York 80% I have same...

    Funny 6 years later on a York 80% I have same problem, change motor and capacitor voltage is 125 Motor drags on start up like its struggling to reach RPM??? Not good
  9. Update on 507c MS50 module replacements. ...

    Update on 507c MS50 module replacements. Installed new module in 2011 ruputured one heat exchanger already and new module less than year old has also ruptured an heat exchanger. Not sure what...
  10. Replies
    5
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    630

    capacitor with little oil on it??? not good. I...

    capacitor with little oil on it??? not good. I would test capacitor, install time delay relay and hard start kit on it.
  11. could be off on coil frost control as well.

    could be off on coil frost control as well.
  12. Ruptured heat exchanger

    FYI Installed replacement R407C modules last few years, ruptured heat exchanger on each module. Can not tell yet if it was evaporator or condenser. We do have an open tower on it, with...
  13. Replies
    14
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    3,930

    Just had a to repair a Larkin unit, not many if...

    Just had a to repair a Larkin unit, not many if any vendors carry any repair kits. York parts had a solder type kit we used, it worked. Many I see are epoxy type. Problem is most newer...
  14. Replies
    10
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    1,150

    So I am hearing more contractors are charging an...

    So I am hearing more contractors are charging an extra fee for environmental charges across the board on all invoices? not sure why thought this would only apply to freon related work, repairs,...
  15. Thread: Craig Mfg.

    by hvacdoctor
    Replies
    8
    Views
    2,695

    so craig refrigeration equipment is not longer in...

    so craig refrigeration equipment is not longer in business? anyone take them over? I have a customer with a ice cream freezer chest with a custom counter top made over the thing. was looking...
  16. Replies
    11
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    989

    I have a York ycas chiller want install reset...

    I have a York ycas chiller want install reset controls on it for leaving water temp?
  17. Replies
    3
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    1,183

    Getting to know ice rink refrigeration

    Experts out there, any good links or info on ice rink refrigeration systems out there you can share? Have R717 and R22 systems in operation want to learn more about these systems.
  18. national comfort cpg restricted cap tubes

    Anyone know about issues with these through the wall National Comfort Products CPG305 Have restriction in cap tubes spot cooling frosting up top tubes. High super heat high subcooling, low...
  19. Replies
    2
    Views
    1,353

    space pak replacement options?

    Have old ESP3036 blower motor is obsolete on it R22 leaks etc. Option to replace this unit Spacepak rep says need to change out ductwork need kits etc etc. Anyone replace spacepak with another...
  20. Replies
    7
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    1,533

    Need to verify if oil is bad? if its old unit...

    Need to verify if oil is bad? if its old unit that should be mineral oil, I woudl rx11 flush system out, sporalan dryers, use flare connectors and iso valves if possible for changes. retest...
  21. Replies
    22
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    5,019

    So what your saying is you have manually remove...

    So what your saying is you have manually remove the header, clean each tube??? cant backflush with pressure? How can you check on this to verify 100%
  22. Replies
    10
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    4,179

    I know this an old post, but I have a ALS A...

    I know this an old post, but I have a ALS A vintage with bad oil on one circuit. I dont know what the existing oil is? Either old Mcquay oil or the new stuff? Anyhow it has no oil separator...
  23. Replies
    57
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    9,689

    Man I love this Post. Not to mention the...

    Man I love this Post. Not to mention the procedure for testing oil is something that 99.4% OF HIGHLY QUALIFIED TECHS DONT KNOW HOW TO DO. I asked 6 highly regarded techs I know how they would...
  24. Replies
    5
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    455

    No flex connector. Sound is just the gas...

    No flex connector.

    Sound is just the gas burning and cumbusion through manifold. I have seen this on some Trane 90+ units before..... Just seeing if anyone has had similar complaints
  25. Replies
    5
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    455

    Ok I tested unit with higher and lower gas...

    Ok I tested unit with higher and lower gas pressures to see if sound changed! It did not. Pressures were steady.
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