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Type: Posts; User: DerkPerk

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  1. Replies
    25
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    1,548

    You work the your customer and the property...

    You work the your customer and the property manager/building owner to replace the unit. The tenant covers the repair cost towards the new unit and the PM the rest.

    Itís a win, win, win, win. Your...
  2. Looking for a cheap easy way to lock out compressor if temp below 55 degrees

    Cheap and easy right there.

    Break the contactor cool if you need Y1 for the economizer.




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  3. Replies
    7
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    932

    And an oxymoron. Isnít vintage typically...

    And an oxymoron. Isnít vintage typically appreciated???


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  4. Replies
    9
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    721

    By the looks of your readings you have your TXV...

    By the looks of your readings you have your TXV set pretty well. As you know, you are lacking subcooling/charge. Has any system work been done recently? Iím suspecting non condensibles in your...
  5. Replies
    13
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    1,097

    Carlyle compressor unloader selection.

    Is there not a difference in the head of the compressor between the 2 styles?

    I understand he can tell if he has electric solenoids or not but just for clarification on the compressor side.

    ...
  6. Replies
    7
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    932

    Singer=McQuay=Daiken Maybe your local rep can...

    Singer=McQuay=Daiken

    Maybe your local rep can help you out but guessing someone will jump in.


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  7. Replies
    22
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    1,787

    Maybe I skimmed through the posts too fast but it...

    Maybe I skimmed through the posts too fast but it sounds like you donít have a large enough receiver to hold all the extra charge needed to flood the condenser during cold ambient. When you hit that...
  8. Replies
    9
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    793

    Unless itís under the oil level. I have seen...

    Unless itís under the oil level. I have seen quite a few 06D compressors leaking oil at the base plate but never the oil pump gasket. Iíd be looking at torque specs and excessive vibration like...
  9. Thread: Three fuses

    by DerkPerk
    Replies
    48
    Views
    3,283

    You guys ever shop Zoro.com? Itís Graingerís...

    You guys ever shop Zoro.com? Itís Graingerís online store, super cheap.


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  10. Replies
    31
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    2,710

    Dry-o-tron leak

    I had a run of Liebert units that were wearing through the solenoid stems like that. They would eventually short on the stem too! As it was kind of odd, I chalked it up to loose coils as it never...
  11. Thread: Three fuses

    by DerkPerk
    Replies
    48
    Views
    3,283

    CCHís are fused separately in that unit. How are...

    CCHís are fused separately in that unit. How are your contactors? You need to meg that compressor but like said it should be a direct short with 3 fuses blown. I work on quite a few Dimplex...
  12. Replies
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    563

    The short answer is no. Can you install a sensor...

    The short answer is no. Can you install a sensor in a location for an average? Maybe a common return duct?


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  13. Thread: PVE and R-22

    by DerkPerk
    Replies
    12
    Views
    770

    The unit is 19 years old and unfortunately was...

    The unit is 19 years old and unfortunately was not authorized for replacement so I was on the same thought path as you, run time was the factor.


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  14. Thread: PVE and R-22

    by DerkPerk
    Replies
    12
    Views
    770

    Right, but I already have the refrigerant for...

    Right, but I already have the refrigerant for this unit. So 407c is not better in this instance.


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  15. Thread: PVE and R-22

    by DerkPerk
    Replies
    12
    Views
    770

    No worries. No, the compressor was stuck and...

    No worries. No, the compressor was stuck and wouldnít start without tripping O/L. There was no short to ground and the winding were intact.



    Better than??? I agree than 410a but not 22, call...
  16. Thread: PVE and R-22

    by DerkPerk
    Replies
    12
    Views
    770

    Yes, it is the new replacement for this unit. ...

    Yes, it is the new replacement for this unit.

    I just got a returned call from them quoting a parts manager bulletin saying the new Danfoss compressors with PVE are compatible with R-22.
    ...
  17. Thread: PVE and R-22

    by DerkPerk
    Replies
    12
    Views
    770

    Thanks fo the reply. To answer your why, my...

    Thanks fo the reply.

    To answer your why, my customer is cheap and didnít want to replace this 19 year old unit so we are sticking the original refrigerant back in.

    I was aware of that POE was...
  18. Thread: PVE and R-22

    by DerkPerk
    Replies
    12
    Views
    770

    PVE and R-22

    Hey guys,

    Swapping out a compressor in a small carrier RTU this morning and the replacement Danfoss has PVE oil in it. Iím not finding a definitive ďyesĒ if this is compatible with R-22. Lots of...
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