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  1. Shoot, that reminds me. I haven't heard squat...

    Shoot, that reminds me. I haven't heard squat from Parasence for a 'starter quote.
  2. Electric aiir comp auto drains- $120--$350!

    Looking at recomending a new drain for my customer, seeing this wide range in pricing.
    Just looking for recomendations in a decent relaible time adjustable drain?
  3. I'll look into them. 'Detection was where I began...

    I'll look into them. 'Detection was where I began searching and questioning.
    When you look at the implementation in split systems, long pipe runs out door condensers.. lots of air flows inside and...
  4. That is possibly as valid as S/H. I think the...

    That is possibly as valid as S/H. I think the band with subcooling between 'right and 'low charge might actually be a narrower and tougher target to track.
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    Excellent! Thank you! wayne

    Excellent! Thank you!
    wayne
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    Mods, may we re-title my thread?

    After coming back to this thread, I realized that it's title miss-directed in large part away from the intent I want to focus on.
    May we re-title it to;
    'Large freon loss prevention via High Super...
  7. Lots of good points. However.. -Not proposing...

    Lots of good points. However..
    -Not proposing them for small units. I see a facility that has 50 some odd 30-50 ton units that average 70 to 100lbs each circuit (100 circuits.. :whistle:
    - Loads,...
  8. Bump.. Why wouldn't some manufacture not put a...

    Bump..
    Why wouldn't some manufacture not put a device out?
    Fieldpeace can do the basics for $150, all that's missing is power via 24vac and an alarm contact!...
  9. Sorry I didn't explain better, but you've got it...

    Sorry I didn't explain better, but you've got it exactly.
    I couldn't find a sweat x FPT but I did find a solution - a brass ST 90 which I'll braze into the old copper FM threads.

    I do like that...
  10. Copper threads and pop-off's; Would you trust a sealant (again?

    I've run into this before; a 1/2" FM threaded copper is softened from the brazing, now leaking.
    I'd prefer what I've done before which is brazing in a brass 7/8 sweat x FIP (still looking for that...
  11. I've wanted o do it and it makes sense except...

    I've wanted o do it and it makes sense except it's complicated by the larger and quicker temp dif in a stage on/off points in the S/A vs the return.
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    I've kick started canisters in that manor too ...

    I've kick started canisters in that manor too (Carnes comes to mind?). But now I'm sitting here wondering.. If the minerals are too low, why would it be flushing- isn't that it's means to dilute? I...
  13. Cool. Now you can have shot at mine :whistle: ...

    Cool. Now you can have shot at mine
    :whistle: ;)
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    What ever it ends up at just make damn sure it's...

    What ever it ends up at just make damn sure it's below the pop-off's if there are any :>)
  15. Anyone heard of VFD noise emanating from the exhaust wheel?

    Anyone heard of VFD noise emanating from the exhaust wheel?
    I was called to look at some Greenheck exhaust fans at this site.
    A few of the twelve fans recently put on line have what sounds like VFD...
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    I can only imagine what some owners might be...

    I can only imagine what some owners might be thinking if they're poking around in that 'Maint is a waste of..' thread..:(

    Anyway a sheave question- after looking at the vid.
    They used the 'start...
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    'Hot gas drier-- Yes seen a few put in the...

    'Hot gas drier--
    Yes seen a few put in the discharge lines LOL
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    My experience (since this is being very general...

    My experience (since this is being very general about it) for motors even seeing open vent ports the grease was about as likely to purge' into the motor as come out the port.
    I've pretty much...
  19. Oops. Check again. One was probably 24 volt the...

    Oops. Check again. One was probably 24 volt the other 120. I did the same, on a start up - 'won't go' :whistle:

    Right now I have one dangling outside that plastic comp box- a vibration theory'...
  20. Disable the alarm enunciation? (that would be one...

    Disable the alarm enunciation? (that would be one thing. Going jumpered.. No thank you : >)
  21. Anyone familiar with Liebert / Copeland false comp O/L lockouts?

    For the past few years we’ve been seeing sporadic but reoccurring comp O/l trips on a small percent of DS units with the Copeland ZR190’s at a facility we service.
    But for the exceptions where...
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    Ah how timely! Simply 'coating/painting. I was...

    Ah how timely! Simply 'coating/painting. I was just looking into the same and I see now Rubatex is recommending this..
    http://www.kflexusa.com/HomePages/ProductLineHome.aspx?ID=20&prod=34&line=8
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    This... and this.. And in this case (this...

    This...
    and this..

    And in this case (this fan blade vs various blower wheel type fans) is just the opposite; draws less amps with the coil side panel off (air bypassing the coil) than with it...
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    'Cause I didn't do this.. and toss their...

    'Cause I didn't do this..

    and toss their 'frikin horse power labeling.. 6.6' is not one horse -nor 1.5 for that matter- it is (or very close to) two hp, which is where we landed.
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    Is this "1hp" cond fan more like two hp?

    I put this Marathon 1 1/2 horse in to replace this '1hp' Carrier, but my amps came in high- 6.2 vs its 5.4 rating at 230volts.
    Got home and looked at some motor amperage charts, all indicate that...
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    I've not heard of oil level being related to...

    I've not heard of oil level being related to foam' in the sight glass. There's different kinds of 'flashing ('bubbles vs other..
    I'd ask rather how's the sub cooling.
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    Friday on call, stopped on the way home to git me...

    Friday on call, stopped on the way home to git me some 4th-O July BBQ.
    Some guy approached me with 'hey you know what this (insert full blown spanking new looking oxy acet cutting tip! 'thing might...
  28. That's pretty much what I've done all along- :>)...

    That's pretty much what I've done all along- :>)

    This looked like it'd do it..
    http://www.elecdirect.com/basket.aspx
    But for for the min order bump. Guess I'll wait till Monday and call around a...
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    Had a guy find the 3/8 (?) allen I left in the...

    Had a guy find the 3/8 (?) allen I left in the bottom of a 5H120

    No, no damage associated :grin2:
  30. Ah ok. I saw that and thought the insulation...

    Ah ok. I saw that and thought the insulation didn't seem as thick.
    Thank you
  31. What do you call that thick insulation control wire..

    they use in ac units..?
    And why can't I find some (or where)
    Seems like something -like a 'ten footter bag' ought to be available in the parts houses. :angel:
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    Hmm, that'd make for a fun offshoot thread (pun...

    Hmm, that'd make for a fun offshoot thread (pun there? ;)
    How many bullets have you found up on roofs and such?
    My fave was a 30 cal FMJ that was bent about 20 deg from glancing off the cement.
  33. Just to drum this home..

    Just to drum this home..
  34. Ya know I just realized something- ha! ironic (or...

    Ya know I just realized something- ha! ironic (or telling maybe!) considering the questions I'm asking :whistle:
    The 407 lieberts.. are using modular type high and low switches!
  35. This unit (R-22 BTW) was healthy about a month...

    This unit (R-22 BTW) was healthy about a month ago when I was on it last.
  36. Liebert rep says more or less, the same thing is...

    Liebert rep says more or less, the same thing is in the P66 ('wiper instead of a two-position sw of course- I've only seen a few leaks there) and, he sells about ten a month (the LP/HPCO's) - i.e....
  37. Liebert LP amd HPCO's - looking for your input here

    I just had yet another failure - leaks in around the bellows, LPCO this time, and the loss of 100+lbs of 22.
    This is approximately 2000' vintage DS units. The last time this came up -a year ago, we...
  38. I'm curious and maybe don't understand what's...

    I'm curious and maybe don't understand what's going on where.
    I never seen a failure to pump down' alarm, but what would that have to do with long line sets? And, I would think (for what seems to be...
  39. There was a slew of units back several years agao...

    There was a slew of units back several years agao that came out with 'improved discharge valves that flat out would not stay pumped down. But that would have 'short cycle alarm as the symptom ( "more...
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    When I did that, rightly I suppose- it'll be like...

    When I did that, rightly I suppose- it'll be like 'wow.. what?! .."
    I for one was very sceptically - not that it wouldn't work, but what of all the possible unforeseen consequences? Even after I had...
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    So is that basically a round about way to get rid...

    So is that basically a round about way to get rid of some capacity?
    Thanks, interesting posts.
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    Well, not sure what the heck went on here. I...

    Well, not sure what the heck went on here. I finally got back to try it. Now this is on a dual ten ton pair of coils- which even though I could get water through the coils with a good nozzle, it was...
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    I'll be interested in some replys, ie if there's...

    I'll be interested in some replys, ie if there's a good reason to run that high. Otherwise, my take on it is on a well balanced system, the lower the head the less energy spent. Down 175 -- 200 would...
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    Interesting you're saying keeping the system...

    Interesting you're saying keeping the system running. Everyone has pretty much said with the fan running. I'm about to try this and I'm thinking it might actually be preferable -for heat dissipation...
  45. Good to hear. I offered the choice and we're...

    Good to hear.
    I offered the choice and we're going with it.

    Interesting 'used parts in both ver..
  46. Carrier 06Ds - 'Total Line vs their Reman'?

    How do ya'll feel about the TotalLine which presumably is parts that didn't need replacing were reused, vs the Carlyle full remanufactured? About half the cost for the Totalline'.
    Considering it for...
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    --note 'old thread resurrection’ :angel: Is...

    --note 'old thread resurrection’ :angel:

    Is there actual Trane published material indicating the use of a torch in this way that someone can point me to?
    Thank you.
  48. Anyone doing cottonwood screens on Liebert 30ton condensers?

    I just became aware of these screen products after cursing at a Trane 20ton split coil cleaning job (I will be trying them there.
    The one company I spoke to so far say they do have them out on the...
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    I really appreciate this site.:cheers: I do just...

    I really appreciate this site.:cheers:
    I do just want to add a short note re ‘Addverts; I understand their roll, the necessity, and I give my full support for them. Up to the point, as with any...
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    Add-on VFD Capacity control- redux'..

    I'd like to revisit this if possible.



    --original thread- http://hvac-talk.com/vbb/showthread.php?1417151-Reducing-cooling-capacity
    This will be for a split 5 ton heat pump, 'Trane pot (circa...
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