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Type: Posts; User: AiResearch

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  1. Replies
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    Hoshizaki Cap Tube Freezer not cooling

    Is the defrost timer adjustable?

    What type of product are they keeping, and how often does the door(s) open, in what environment does the box live (humidity) , and is there a door switch for the...
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    Wait a minute guys, if you look at Red Wings web...

    Wait a minute guys, if you look at Red Wings web site, at the pull on Pecos in particular, you will see 99% of that particular line is USA and goes for around $200. Personally I think the hand made...
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    Just wondering Turbo, if you are only using your...

    Just wondering Turbo, if you are only using your MB, and the larger ones are in the garage, what are you carrying (the rest of) your service tools in at the moment?

    I do agree with you about the...
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    There are many different levels of quality,...

    There are many different levels of quality, price, experience and company of the tradesman, etc...

    Perhaps the customer got a good value on this one considering what they paid.

    If someone is...
  5. Since you only have 2 stages of cooling, why not...

    Since you only have 2 stages of cooling, why not change it up from the norm and bring on the refrigeration based on OAT? This will also help minimize cycling.
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    Must have been a mis-manufactured compressor. ...

    Must have been a mis-manufactured compressor.

    A plugged drier would not have spiked the current draw in a system with a proper charge. Especially not in a system with a low charge. It would have...
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    Thank ya for the update I experienced the same...

    Thank ya for the update

    I experienced the same

    Maybe the cylinder was a lil tighter than expected...
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    There may still be an electrical problem, but...

    There may still be an electrical problem, but does sound like a restriction upstream of the liquid line, those will raise the current consumption in a heartbeat.

    This reminds me I had one of...
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    It may be time for a piercing valve on the...

    It may be time for a piercing valve on the discharge line before anything else. Only takes a minute.

    Is this a capacitor start and run compressor with a potential relay? Seems like I remember...
  10. No prob good luck!

    No prob good luck!
  11. Okay well that clears up a bit. The next...

    Okay well that clears up a bit.

    The next question would be head pressure control. 50F is not too friendly for a standard RTU.

    You had some load inside, adding some load outside by covering...
  12. If the OP has an 80F return, chances are he has...

    If the OP has an 80F return, chances are he has an 80 plus ambient, and he should be running a higher discharge pressure even with reduced evaporator airflow. Assuming the capacity of the new tandem...
  13. Sounds like you did a good job. No mention of...

    Sounds like you did a good job. No mention of ambient. Discharge is low, add more refrigerant and see what happens.
  14. Replies
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    Arc AAA led keychain USA The light can be...

    Arc AAA led keychain USA

    The light can be carried at all times

    Very impressive performer
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    Interesting. Serious water pressure. Is there a...

    Interesting. Serious water pressure. Is there a reason to close both lines and leave the coil with no room for expansion?

    Seen it done both ways - close the leaving - close the entering.

    In...
  16. Replies
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    I would say one with a level of sophistication.

    I would say one with a level of sophistication.
  17. Replies
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    A small bit of information- Variable air...

    A small bit of information-

    Variable air volume is a different system altogether than a constant volume zone control.

    VAV is used on large central equipment with capacity control.

    Zone...
  18. As I send from my iPhone. Shakes head. ...

    As I send from my iPhone.

    Shakes head.

    Shame on me.

    I need to run up to the store now.

    For some liquid refreshment (dinner)
  19. haha I get a feeling you are with me on this ...

    haha
    I get a feeling you are with me on this

    generally I frown on modern society
  20. Personally myself, do not care for these emerging...

    Personally myself, do not care for these emerging nu skool resi and retail service organizations, who are concerned with regional dominance and never ending growth, more so than actually doing real...
  21. Replies
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    So the purge discharges into the cylinder instead...

    So the purge discharges into the cylinder instead of the atmosphere?
  22. Replies
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    Hello Rob, could you or someone else identify...

    Hello Rob, could you or someone else identify that "propane tank" on the side of the condenser for those of us not intimately familiar with low pressure refrigeration?

    It appears to be a factory...
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    I'm my experience, it has been the opposite. The...

    I'm my experience, it has been the opposite. The mom n pop shops are doing better work than the big guys with many workers. (exception being large mechanical contractors who have a standard of...
  24. Replies
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    Tech Rob mentioned Snap-On and the like. I...

    Tech Rob mentioned Snap-On and the like.

    I have few of their pieces that were handed down.. Very nice and functional. I can't afford them. More for auto mechanics that use those types of tools...
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    Cheap and fast.. We were just talking about...

    Cheap and fast..

    We were just talking about that today. Contractors doing installations for peanuts, spending little time on the job and exhibiting no workmanship, making the other contractors who...
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    That is a good question. My thoughts are, if you...

    That is a good question. My thoughts are, if you were speaking practically, in real world operation, the exact bulb location does not make too much of a difference. Provided it is securely fastened...
  27. Replies
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    I'm with Turbo. Sears is still a GREAT place to...

    I'm with Turbo. Sears is still a GREAT place to get good quality, American made tools, at reasonable prices, with lifetime warranties. I just purchased 2 LED inspection mirrors and a small level that...
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    Sure, and why not?

    Sure, and why not?
  29. Replies
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    325211 ...an adjacent unit at this deli ...

    325211

    ...an adjacent unit at this deli

    Anyone feel like lunch?
  30. Replies
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    How does one achieve this level of artisan like...

    How does one achieve this level of artisan like display?
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    325171325181325191

    325171325181325191
  32. Replies
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    Bad Compressor? No Problem.

    Thought it was time to set the record straight and show the right way to add a new condensing section to an oldie but goodie package unit.

    Enjoy!
  33. Replies
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    I agree. Rob took extra time and effort on...

    I agree. Rob took extra time and effort on pictures and text for us! What a great guy, and a great air cond man.
  34. Replies
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    Rob a while back we had a conversation and I...

    Rob a while back we had a conversation and I remember something about you relocating to the Tampa area. Haha I'm not that good. But a Floridian can tell its definitely Florida.

    Why not air run...
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    Tampa? Niiiiiice.

    Tampa?

    Niiiiiice.
  36. Replies
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    I gotcha. That makes sense. So you are...

    I gotcha. That makes sense.

    So you are discharging atmosphere into the condenser? What happens to the motor current during the procedure?

    Do you allow it to come up to speed or just bump the...
  37. Replies
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    Hey Rob can you describe the "air run" with the...

    Hey Rob can you describe the "air run" with the suction elbow off that you mentioned in your other tear down thread? For those of us who dont know.

    Im assuming it is not to check rotation.
  38. Replies
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    Very cool. Those of us DX guys dont get to see...

    Very cool. Those of us DX guys dont get to see too many of these...disassembled anyway!

    Any ideas as to the cause of bearing failure? Oil system blunder?

    Thanks for sharing and keep em comin!
  39. Replies
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    Hate to say it but it sounds like a rushed...

    Hate to say it but it sounds like a rushed through installation. One where all of the parameters were not looked at. And I can't blame the contractor 100%. Few want to pay for a job done right.
    ...
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    Thx everyone for the replies~

    Thx everyone for the replies~
  41. Replies
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    thermojohn, thanks for the kind and like-minded...

    thermojohn, thanks for the kind and like-minded remarks. I'm with you.
  42. Thread: BIG STUFF!

    by AiResearch
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    Very nice! Interesting job, interesting...

    Very nice!

    Interesting job, interesting thread!

    Maybe some more details about the bldg, ahu's, chillers?

    Thanks for sharing.
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    314551

    314551
  44. Replies
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    Previous generation craftsman

    Came across an old job we did and took a cell phone shot for you guys to check out. Hopefully some of you will enjoy.

    It is a small outside air handler, with the refrigerant piping by my father. ...
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    You can remove the horizontal pan and gain some...

    You can remove the horizontal pan and gain some efficiency, also the metal block off plate on top of the coil can be swapped with the supplied plate which is less restrictive.

    Neither of those...
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    This site was / is supposed to be about a/c & r ...

    This site was / is supposed to be about a/c & r

    Not enhanced vocabulary high school locker room semantics
  47. Replies
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    Strange. So much for its use as a particulate...

    Strange. So much for its use as a particulate filter!

    With wshp's if there is only one metering device , there is no true liquid line for the drier.

    If there is two metering devices with...
  48. Replies
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    Have seen two parallel driers equalling the right...

    Have seen two parallel driers equalling the right cubic inch single drier for the capacity of the system.

    But this system has a pipe that goes right on past the driers?

    Is this a heat pump?
  49. Replies
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    budman if you get some time, do some reading on...

    budman if you get some time, do some reading on thermal expansion valves and how they work

    you will then see how, if a power element and sensing bulb were to loose some or all of its charge, or...
  50. Replies
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    Just wondering, are you sure the expansion valve...

    Just wondering, are you sure the expansion valve is okay?

    A new power element sometimes works wonders.

    Perhaps the sensing bulb was overheated, or maybe lost a portion of its charge.

    :.02:
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