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Type: Posts; User: nyrb

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  1. Replies
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    You test the IGV operation with Turbocor 3G...

    You test the IGV operation with Turbocor 3G software and a connection through the interface board..
  2. Replies
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    1,210

    I believe that scenario would result in the HP...

    I believe that scenario would result in the HP fault assuming low oil pressure didn't trip first.
  3. Replies
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    I am still interested in what your original...

    I am still interested in what your original thought was here, it seems as though you have had a similar occurrence with a different cause. Can you elaborate?? Nuclrchiller you too appeared to have a...
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    Perhaps I have a different manual but my 19XR...

    Perhaps I have a different manual but my 19XR manual with Pic III controls only references issues with the High Pressure Switch (see below). If 1 CR is indeed energizing that should be your trigger...
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    I suggest you get someone well versed with this...

    I suggest you get someone well versed with this equipment involved, High condenser pressure does not only come from the pressure transducer, there is a mechanical switch in the circuit as well.
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    445

    I have version 83 but it's a little too big to...

    I have version 83 but it's a little too big to email, about 26 meg and it's a zip file.
  7. Replies
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    When carpenters do gas piping.

    Made me laugh.
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    445

    There's version 83 and 86 I believe.

    There's version 83 and 86 I believe.
  9. Thread: Leak Lock

    by nyrb
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    7,290

    Ditto on the loctite 554, doesn't come apart...

    Ditto on the loctite 554, doesn't come apart easily but it works great.
  10. Replies
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    We have a bingo, to bad it's bought and paid for...

    We have a bingo, to bad it's bought and paid for as a permanent fixture just the way it sits.
  11. Replies
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    2,278

    I wish, customer has 2 boilers on Site both in...

    I wish, customer has 2 boilers on Site both in trailers for 5 years now, this trailer has feed water pumps and a deaerator to boot.
  12. Replies
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    Tea Kettle in a Trailer... Oh what fun.

    Time for my annual opening of this little tea kettle again... any volunteers??
  13. Replies
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    1,634

    It seems to me that you have liquid refrigerant...

    It seems to me that you have liquid refrigerant flowing through your equalizing line which is giving your TX valve a false evaporator pressure. I'd start with a new TX valve, JMHO.
  14. Replies
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    Is this what you're looking for??

    Is this what you're looking for??
  15. Replies
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    1,383

    Missing attachment.

    Missing attachment.
  16. Thread: Trane goes boom!

    by nyrb
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    2,545

    It's been a while but I think I fused the primary...

    It's been a while but I think I fused the primary with a pair of 1 amp time delay fuses, this unit was a 600 volt model.
  17. Thread: Trane goes boom!

    by nyrb
    Replies
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    2,545

    I also fused that transformer as there is no...

    I also fused that transformer as there is no overcurrent protection from factory.
  18. Thread: Trane goes boom!

    by nyrb
    Replies
    10
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    2,545

    Here you go, kit part numbers are included. I had...

    Here you go, kit part numbers are included. I had to replace every board and both the high voltage and control wiring harnesses on the last one I did. Trane however came good for all of the parts...
  19. Thread: Trane goes boom!

    by nyrb
    Replies
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    2,545

    Been there done that, I assume your combustion...

    Been there done that, I assume your combustion motor is fried as well. Do you have the most recent service bulletin for that scenario??
  20. Thread: 597 service tech

    by nyrb
    Replies
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    1,086

    .

    .
  21. Replies
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    See attached

    See attached
  22. Replies
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    The High fire proving switch is usually internal...

    The High fire proving switch is usually internal to your firing rate mod motor. Is the burner driving to high fire for the purge but not making the end switch??
  23. Replies
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    Been there, done that, what a severe PITA. Added...

    Been there, done that, what a severe PITA. Added some fuses to the primary of that transformer to boot, kind of wonder why it wasn't fused in the first place.

    :.02:
  24. Replies
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    Most dual compressor systems I have seen use 1...

    Most dual compressor systems I have seen use 1 pressure control (sometimes 2 for a failsafe) with a few control relays that sequence alternately between the 2 compressors. This lets each compressor...
  25. Replies
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    The stem packings for Honeywell valves has not...

    The stem packings for Honeywell valves has not changed in years, the size you need is always based on the stem diameter (3/8" in your case). I never buy rebuild kits, I stock all 3 sizes of teflon...
  26. Replies
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    3,729

    Some manufacturers stage them and some don't,...

    Some manufacturers stage them and some don't, it's entirely up to the OEM as running 1 alone may cause issues if the piping system was designed for running both. Many manufacturers also recommend...
  27. Replies
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    Not that it matters that much but what type of...

    Not that it matters that much but what type of compressors?? Which compressor has the visible oil level, the running compressor or the idle one or are they both running all the time??
  28. Replies
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    I am certainly not anti oil separator. I feel...

    I am certainly not anti oil separator. I feel that they just need to used for the right reasons. Installing an oil separator on a system with oil return issues is not going to correct the oil return...
  29. Replies
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    It sounds to me like this system was intended run...

    It sounds to me like this system was intended run 100% of the time regardless of load as it is for dehumidification. The compressor issues he has experienced needs to be spelled out a little better...
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    Now that I agree with.

    Now that I agree with.
  31. Replies
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    Although the OP doesn't state it I have assumed...

    Although the OP doesn't state it I have assumed that the hot gas and liquid injection is being done locally at the condenser and only has a liquid and suction line at the evaporator as is done by...
  32. Replies
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    I agree whole heartedly that you will stop 98% or...

    I agree whole heartedly that you will stop 98% or more of the oil going into circulation, that leaves 1-2% still getting into circulation. On a system running light load and low velocities the oil...
  33. Replies
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    Although a very effective means of significantly...

    Although a very effective means of significantly reducing the amount of oil that gets to the evaporator there will still be small percentage that gets past the separator. Adding an oil separator to a...
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    God help you if a blizzard ever barries that unit...

    God help you if a blizzard ever barries that unit :grin2:
  35. Replies
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    The 500 comes from 60(min/hr) x 8.33 (lbs of...

    The 500 comes from 60(min/hr) x 8.33 (lbs of gallon of water) x 1 (specific heat of water)= 500 btu/gallon/hr.
  36. Thread: Sizing a freezer

    by nyrb
    Replies
    6
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    1,281

    Try this for starters. A proper load calculation...

    Try this for starters. A proper load calculation needs to be done or you will likely just be spinning your wheels.

    http://www.uscooler.com/?q=refrigeration-sizing-estimate
  37. Replies
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    I'm inclined to agree with Spaceman here, the air...

    I'm inclined to agree with Spaceman here, the air your instructor is refering to is on the refrigerant side of the system. Discharge pressure would be elevated and therefore waterflow would also...
  38. Thread: lock-out relays

    by nyrb
    Replies
    6
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    1,082

    http://hvac-talk.com/vbb/showthread.php?t=185061

    http://hvac-talk.com/vbb/showthread.php?t=185061
  39. Replies
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    So I assume they are trying to use a TX valve in...

    So I assume they are trying to use a TX valve in the discharge line to throttle flow to the hot gas valve, interesting concept that I imagine doesn't do much. I like that they have the TX bulb on the...
  40. Thread: Powerflame?

    by nyrb
    Replies
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    1,615

    Impossile to tell for sure, I'm guessing at best...

    Impossile to tell for sure, I'm guessing at best that the pot you turned was making poor contact internally and you may or may not see re-occurrence. In my books now is your chance to correct an...
  41. Thread: r7795

    by nyrb
    Replies
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    1,947

    You can only wire a meter in series with the 'F'...

    You can only wire a meter in series with the 'F' terminal when using flame rectification (flame rod), on a UV peeper the signal measured at the plug in test jack is conditioned. Best way to test them...
  42. Thread: Powerflame?

    by nyrb
    Replies
    10
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    1,615

    Page 8 and 9 of the link I gave earlier shows the...

    Page 8 and 9 of the link I gave earlier shows the physical location of the switches, they run off the blue and red cams inside the motor.
  43. Thread: Powerflame?

    by nyrb
    Replies
    10
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    1,615

    No, the device (thermostat / pressure controller)...

    No, the device (thermostat / pressure controller) that drives a 90 series mod motor is usually a 135 ohm wire wound potentiometer with rbw terminals. This device is in the circuit once the burner is...
  44. Thread: Powerflame?

    by nyrb
    Replies
    10
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    1,615

    Verify the mod motor 1st, assuming it is a 135...

    Verify the mod motor 1st, assuming it is a 135 ohm mod motor by the model number (SERIES 90), jumper r-b and the motor should move to high fire position. R-W will drive it back to low fire. The...
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    Saw your other post.

    Saw your other post.
  46. Replies
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    Hope this manual can be of help. Don't know much...

    Hope this manual can be of help. Don't know much about belt driven models, all the ones I have worked on were direct coupled.
  47. Thread: Mcquay RFS Unit

    by nyrb
    Replies
    3
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    1,137

    http://www.mcquay.com/McQuay/Literature/Literature...

    http://www.mcquay.com/McQuay/Literature/Literature

    It's under Rooftop Systems, Applied in the Sub Product type.
  48. Thread: carrier 30gxn

    by nyrb
    Replies
    27
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    3,200

    I'm thinking you're correct, mine does have the...

    I'm thinking you're correct, mine does have the PSIO module. Wonderful of Carrier to obsolete that module and give the "Return and Repair" as the only option upon failure.
  49. Thread: carrier 30gxn

    by nyrb
    Replies
    27
    Views
    3,200

    The 007 is the new part number for the 002, as...

    The 007 is the new part number for the 002, as far as the suction and economizer goes the OP needs to post the full model number before I can make that determination. The 30GXN I service only uses...
  50. Thread: carrier 30gxn

    by nyrb
    Replies
    27
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    3,200

    HK05YZ002 TRANSDUCER(EPT,SPT,OPT,DPT A&B)

    HK05YZ002 TRANSDUCER(EPT,SPT,OPT,DPT A&B)
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