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  1. Replies
    16
    Views
    2,539

    ohming the windings without knowing what they...

    ohming the windings without knowing what they should read is a waste of time, you, you need to check the windfing values at:
    http://www.hvacrinfo.com/Cope_manuals/ELECTHB.pdf
  2. Thread: Leak Lock

    by rocket
    Replies
    37
    Views
    4,939

    the primary use of leak lock is to identify tool...

    the primary use of leak lock is to identify tool thiefs, put a tube in your toolbox, it will seep out, those stealing your tools will have blue spots on their hands.

    other than that, there is no...
  3. Replies
    21
    Views
    2,993

    Here's a little trick to quickly match coils to...

    Here's a little trick to quickly match coils to units
    After sizing your system,
    1.select the condensing unit
    2.Divide desired TD into unit capacity, Answer is coil btuh at 1 TD
    3.In the coil...
  4. Replies
    21
    Views
    2,993

    "Those coils have a total capacity of 1.5 ton"...

    "Those coils have a total capacity of 1.5 ton"
    not quite correct, each coil handles 5500 btuh @ 10* TD or 550 btuh at 1 TD, at 1 TD, that's 3 x 550 (1650)
    The unit is 10,234 btuh
    so 10,234 / 1650...
  5. Replies
    3
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    645

    change the 6175 to 0175 and google REY3-0175-PFV...

    change the 6175 to 0175 and google REY3-0175-PFV
    actually google works quite well
  6. Replies
    12
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    773

    first check for blow-by compare crankcase...

    first check for blow-by
    compare crankcase pressure to suction pressure

    measure crankcase at side of compressor
    (put a schrader valve where you see the funny fitting)

    measure suction at...
  7. Replies
    7
    Views
    820

    main problem is the little plastic bag for the O...

    main problem is the little plastic bag for the O ring, it can slip under the cardboard, if you don't see it, you don't install, happens often sad to say.
  8. Thread: Coil Capacity??

    by rocket
    Replies
    4
    Views
    1,452

    take a few pictures of the coil including...

    take a few pictures of the coil including nameplate then visit a local supply house
  9. Thread: Coil Capacity??

    by rocket
    Replies
    4
    Views
    1,452

    you can find Heatcraft catalog data here:...

    you can find Heatcraft catalog data here:
    http://www.heatcraftrpd.com/products/
    remember that coils have no capacity output, they handle output of Cond unit, take into considerration the coil TD in...
  10. Replies
    38
    Views
    7,707

    RLA is rated Load Amps at only one condition, for...

    RLA is rated Load Amps at only one condition, for pumping ability diagnosing you need a performance curve that shows the various amps at various conditions.
    at different conditions the amps drawn...
  11. Replies
    10
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    1,282

    A/C units operate at 30 deg split, wine storage...

    A/C units operate at 30 deg split, wine storage typical design at 15 deg split
    Refig coolre 55 degree room with 40 deg evap
    A/C unit 55 deg room with 25 deg evap, see the problem
  12. hint: electicity bill goes up on hot days

    hint: electicity bill goes up on hot days
  13. Icemeister's choice of MP66 is the best one, I...

    Icemeister's choice of MP66 is the best one, I second and third that. Plus, unlike the other two, it is approved by all Compressor mfrs.
  14. I talked to the guy refilling the redbox, he said...

    I talked to the guy refilling the redbox, he said the heat of the system will destroy DVD's.
  15. Replies
    4
    Views
    564

    If you want to go to a HFC refrigerant, why...

    If you want to go to a HFC refrigerant, why R134a, why not something more compatiible
    to R22 such as R407C(or R422), almost a drop in! Don't have to change compressor (possibly oil, that's it)
    ...
  16. Replies
    21
    Views
    2,288

    Heatcraft has an "Installation Manual" that has...

    Heatcraft has an "Installation Manual" that has the kind of generic wring diagrams you need , find it at :
    http://www.heatcraftrpd.com/products/PDF/I&O/H-IM-64L.pdf

    other neat stuff as well
  17. Replies
    33
    Views
    6,559

    it is much simpler to use a refrigerant that is...

    it is much simpler to use a refrigerant that is "accepted" by a manufacturer. I don't think any manufacturer has accepted hot shot (many change that "O" to an "i". Rcall the threats HotShot made to...
  18. Replies
    6
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    908

    it's unlikely that a Larkin Coil with a DB...

    it's unlikely that a Larkin Coil with a DB condensing unit is the orginal setup, so unlikely there is a diagram. If this were an initial D/B system, they have a wiring diagram for it, but it wouldn't...
  19. Replies
    6
    Views
    908

    sorry typo, the 230 v solenoid part no is...

    sorry typo, the 230 v solenoid part no is 998-0212-03
    these are normal stocked, why do you need it?
  20. Replies
    6
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    908

    this is a suction stop unloader that uses a...

    this is a suction stop unloader that uses a solenod mounted on the unloader head
    solenoid part number is 998-0212-02 115v 998-0210-03 230 v
    available at any Copeland wholesaler (so you are...
  21. "3 Phase" I used run capacitors on 3PH for...

    "3 Phase"
    I used run capacitors on 3PH for years, especially with low voltage problems
    they have to be properly sized but can increase power factor
    see Copeland AE9-1249 at: ...
  22. Replies
    2
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    514

    go to this site, they can recommend dealer...

    go to this site, they can recommend dealer
    http://walkinrefrigeration.com/
  23. Replies
    12
    Views
    1,222

    think about it! all the heat you are removing is...

    think about it!
    all the heat you are removing is being dumped into the basement, what will happen to your condensing unit's abilty to transfer heat?
  24. these were made by Standard Refrig starting on...

    these were made by Standard Refrig
    starting on page 19 of attached pdf, match yours with diagrams shown, then order from your local wholesaler
  25. Thread: Copeland

    by rocket
    Replies
    22
    Views
    1,969

    see the attached curve sheet for a CRN5-0500-PFV,...

    see the attached curve sheet for a CRN5-0500-PFV, note that amps ranqer form 13.4 to 31.1. Which one of those amps apply to you or your job, which shoud be on nameplate?
    How many nameplates should...
  26. Replies
    23
    Views
    16,157

    . E6210E, R22, 115v, Copeland ARE41C3E-IAA is...

    . E6210E, R22, 115v,

    Copeland ARE41C3E-IAA is exact same compressor
  27. Replies
    11
    Views
    1,401

    C/C htr clarification majority of Tec & Cope...

    C/C htr clarification
    majority of Tec & Cope cond units are indoor units yet are often used as outdoor units. These do not include C/C htrs, both mfrs make a few outdoor units which are supplied...
  28. Thread: Training

    by rocket
    Replies
    21
    Views
    2,460

    RSD, a west coats wholesaler, has a CD available,...

    RSD, a west coats wholesaler, has a CD available, the "RSD Tech CD", it has training material and technical data on Copeland compressors, it's a best value as it is free. Most everything you need is...
  29. Replies
    16
    Views
    2,347

    a potential relay is normally closed, if on shut...

    a potential relay is normally closed, if on shut down, any voltage is in the start cap, it will discharge across the relay points, eventually burning them out. That's why they are REQUIRED by...
  30. Replies
    4
    Views
    502

    the Heatcraft Engineering Manaul has all you...

    the Heatcraft Engineering Manaul has all you need, and the suggested temps start on page 15, don't leave home without it!
    http://www.heatcraftrpd.com/resources/wiringdiagrams/H-ENGM0408.pdf
  31. Replies
    10
    Views
    1,030

    coils nominal rating is at 10 TD, flowers require...

    coils nominal rating is at 10 TD, flowers require closer TD
    7 TD is ideal for most flowers
    9200 btuh at 10 TD = 920 btuh at 1 TD, that means
    920 X 7 = 6440 btuh not a bad match up

    Cond Units...
  32. check condition of O ring gasket on sensor (where...

    check condition of O ring gasket on sensor (where it inserts into oil pump), gasket may be damaged or missing.
  33. Thread: R 507 (AZ-50)

    by rocket
    Replies
    9
    Views
    726

    my secret DuPont source says it was a patent...

    my secret DuPont source says it was a patent issue

    officially never mix gases but if you mixed these two don't worry about it.
  34. Replies
    62
    Views
    5,710

    I asked him his suction pressure, he said it was...

    I asked him his suction pressure, he said it was good, I tried to find "good" on my PT chart, wasn't there, so I asked him again. It was 5 psig of R404A and the box was a -10 freezer. Please try to...
  35. Thread: supco 88

    by rocket
    Replies
    30
    Views
    7,539

    as an oil additive, NEVER! I do use it on VP...

    as an oil additive, NEVER!
    I do use it on VP gaskets, works great. On this use, I can actually remove the VP and replace with same gasket in the future Also after working with roof mastic, it cleans...
  36. Thread: oil change

    by rocket
    Replies
    8
    Views
    1,032

    Is there a viscosity test or field inspection...

    Is there a viscosity test or field inspection only?

    that can be done, but too expensive, normally you can feel it if you touch a sample, if it pours like water - no good. Gritty - no good, Brown...
  37. Thread: oil change

    by rocket
    Replies
    8
    Views
    1,032

    customer was told it's time for annual oil change...

    customer was told it's time for annual oil change on his Carrier Compressors, customer called Carrier which said "unless the oill is bad, damaged from over heating or acid, there is no need to change...
  38. Replies
    43
    Views
    2,739

    you want to check for blow by as for the current...

    you want to check for blow by
    as for the current relay solution, the Current Relay is only used on compressors with “inherent” protection ("A" or "F")
    Ex: 9RS2-0765-TFC the “F” in TFC refers to...
  39. Replies
    43
    Views
    2,739

    net oil pressure is not suction - oil pump...

    net oil pressure is not suction - oil pump pressure, never was
    it is crankcase pressure - oil pump pressure

    compare suction pressure against crankcase pressure, you may have blowby
  40. Replies
    10
    Views
    1,134

    Current Relay only used on compressors with...

    Current Relay only used on compressors with “inherent” protection

    Ex: 9RS2-0765-TFC the “F” in TFC refers to inherent protection
    EAV1-0200-TAC the “A” in TAC refers to inherent protection...
  41. Replies
    23
    Views
    16,157

    Copeland doesn't cross ref the models they buy...

    Copeland doesn't cross ref the models they buy from Aspera
    if you ask a wholesale to look up an item in OPI Item Search and type "AR" as all the AR models are Aspera they will get a list that also...
  42. Replies
    15
    Views
    1,097

    Chad says "Is this system matched? It is a very...

    Chad says "Is this system matched? It is a very small walkin cooler, 6x6x10"
    Chad says "The room is 8x8x10 at the MOST."
    Chad says "How is the condensing unit too small, it is a package unit?"
    ...
  43. Replies
    15
    Views
    1,097

    sized OK for a cooler with NO glass doors, add...

    sized OK for a cooler with NO glass doors, add the glass door load and equipt is probably too small
  44. Thread: Fur Storage

    by rocket
    Replies
    6
    Views
    895

    long term storage

    long term storage
  45. Thread: Wine Cooler

    by rocket
    Replies
    2
    Views
    396

    First confirm this "...system was never...

    First confirm this "...system was never correctly sized"
    as it is usually true, so a resize is probably necessary.

    make sure your equipment sized at 15 deg TD, many problem wine coolers are...
  46. Thread: ICOR Nu 22

    by rocket
    Replies
    14
    Views
    6,044

    R-407C much better, it does require an oil change...

    R-407C much better, it does require an oil change to POE, other than that it's almost a drop in and cheaper than Icor Junk (R422), plus approved by all Compressor mfrs.
  47. Thread: Fur Storage

    by rocket
    Replies
    6
    Views
    895

    storage temp of furs range 34 to 40 Relative...

    storage temp of furs range 34 to 40
    Relative Humidity range 45 to 55 RH (you will need some form of humidity control to maintain RH)

    from ASHRE Manual
  48. Thread: Medford Oregon

    by rocket
    Replies
    1
    Views
    483

    Medford is a great place to live! as far as job...

    Medford is a great place to live!
    as far as job opportunites try calling RSD, they have a branch in Medford, they are a major wholesaler and maybe their customers need someone

    RSD (Refrigeration...
  49. Thread: yellow POE

    by rocket
    Replies
    19
    Views
    1,253

    you were low on gas, that means you were low on...

    you were low on gas, that means you were low on the stuff that cools a suction cooled compressor. A suction cooled compressor needs the gas for cooling, you overheated! It's like being low on water...
  50. Replies
    49
    Views
    4,315

    had he checked for blow-by he wouild not have...

    had he checked for blow-by he wouild not have bought a new oil pump, saving money as he can't return the oil pump, which is why some suggested he checked crankcase against suction. Only one person...
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