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Type: Posts; User: eric1589

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  1. It's all really the same. Refrigeration is more...

    It's all really the same. Refrigeration is more diverse, detail oriented and demanding, but they all operate on the same principles. Think of the new trend in building envelope science...it's nothing...
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    And what about all the neighboring units you...

    And what about all the neighboring units you tried that on first and blew fuses or transformers in the air handlers?
  3. The prohibition needs to end. Our industry, and...

    The prohibition needs to end. Our industry, and so many others, could see large demand from all kinds of new opportunities stemming from a victimless, harmless, natural, growing plant.
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    I had the SH clamp wire get compromised by the...

    I had the SH clamp wire get compromised by the casing holes it passes through. So both pipe clamps stopped reading. A new set of clamps was delivered to the parts counter for free pick up.
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    1,779

    I want to get a 90* attachment for the drill. a...

    I want to get a 90* attachment for the drill. a sheet metal shear head attachment for the drill. I saw a drill pump attachment recently. A wet dry vac that snaps on top of common 5 gallon buckets.
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    Get them some preferred items that most guys...

    Get them some preferred items that most guys wouldn't buy for themselves. Micron gauges, vacuum hoses, digital gauges, leak detectors, etc. Those trade specific tools our employers refuse to provide,...
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    That looks like a home made grappling hook that...

    That looks like a home made grappling hook that will just get itself and your Jose stuck along any obstruction or fitting while pulling backwards to get it out. I would suggest putting some sort of...
  8. It holds excess liquid that would otherwise back...

    It holds excess liquid that would otherwise back up in the condenser coil an essentially reduce the size of the condenser coil.

    With a reciever, the system can have liquid refrigerant back up...
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    290

    They should. Carrier and Samsung have a heat...

    They should. Carrier and Samsung have a heat recovery three pipe system that can run multiple evaporators, of different types, on one modular condensing unit. They use mode change units in the piping...
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    881

    Could you hear anything? Anyone ever hear of a...

    Could you hear anything? Anyone ever hear of a motor internally separating from the compressor? May be just rotating with no load or lubrication. How many Amps would something like that draw?
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    Is nobody is alarmed by 95 degree return and 0.0...

    Is nobody is alarmed by 95 degree return and 0.0 static?
    Was the fan actually running at that point? Was it running backwards?
    We're you taking bad readings the first time. Why was there no static...
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    2,994

    Some shorts are small enough to cause voltage...

    Some shorts are small enough to cause voltage drop but not strong enough to flow the current needed for a fuse or overload to trip.
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    1,239

    Convert you suction pressure to temperature and...

    Convert you suction pressure to temperature and that is the current evaporator temperature.
  14. Thread: Micron Gauge

    by eric1589
    Replies
    14
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    1,253

    You're right about their non standard port in...

    You're right about their non standard port in that video. A lot of times they are to close to the cabinet or piping or conduits to fit.
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    1,390

    Those are modular condensers. Each one can run...

    Those are modular condensers. Each one can run something like 30-150% of listed capacity and have up to something like 48 evaporators on each condenser. The three pipes are suction, liquid and hot...
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    1,225

    The more I learn, the more disappointed I am in...

    The more I learn, the more disappointed I am in in manufacturers. These txv issues supposedly due to a compressor manufacturer, now this about coils flaking.

    How is just replacing the coil even...
  17. Thread: Micron Gauge

    by eric1589
    Replies
    14
    Views
    1,253

    The Gauge and hose on the pump alone is a good...

    The Gauge and hose on the pump alone is a good test to see if the vacuum pulls low enough. You need a use cylinder or system to have a significant enough amount of space under vacuum for the...
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    752

    If power loss is a common problem you worry...

    If power loss is a common problem you worry about, why not install a normally closed solenoid valve that will isolate the pump when ever the pump loses power?
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    2,691

    I recently went to a Samsung DVMS class for two...

    I recently went to a Samsung DVMS class for two days. They said all the information and training can be found on their website. Even a downloadable program that lets you click and drop necessary...
  20. Refrigeration is definitely more complex and...

    Refrigeration is definitely more complex and challenging. It can also be more fun sometimes, going to interesting places you would never otherwise want to go or be granted access.

    Residential ac...
  21. Thread: AK 900 help.

    by eric1589
    Replies
    5
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    485

    I think the flashing just means the current...

    I think the flashing just means the current reading is out of the expected operating range of the currently selected refrigerant.

    Were you zeroing them out while still connected to a vacuum? I...
  22. Thread: X13 motors

    by eric1589
    Replies
    23
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    11,985

    Honestly. Isn't the air 100% humidity between the...

    Honestly. Isn't the air 100% humidity between the fan and coil anyway, when the coil is first? Those motors would see 100% humidity all the time regardless of the climate they are installed in.
  23. Replies
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    1,573

    Maybe you have oil or other contaminants in the...

    Maybe you have oil or other contaminants in the gauge, manifold, or hoses. Have you tried cleaning any/all of it and trying again? Or trying a system you know is leak free?
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    How about everyone's opinion on diesel vs gas?

    How about everyone's opinion on diesel vs gas?
  25. Daikin intends to restrict who can sell their...

    Daikin intends to restrict who can sell their name branded products. The rep said they are bringing something like 300 jobs to Houston Texas so their equipment can be made here in the U.S. I know...
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    I see some widely incorrect information in here....

    I see some widely incorrect information in here. Like to presume medical dispensaries are buying from foreign drug cartels, or that those cartels will bring violence here if people grew it.

    ...
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    A few comments in here from people who's parents...

    A few comments in here from people who's parents should have used protection.

    NOT SAFE FOR WORK. LANGUAGE
    http://www.youtube.com/watch?v=tqESAufUAMQ

    NOT SAFE FOR WORK. LANGUAGE...
  28. I went to a daikin class where they wheeled in a...

    I went to a daikin class where they wheeled in a 5 ton inverter driven condensing unit that would ramp to to about 2.5 tons, I think.

    They bought goodman, as others have said, for their...
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    I don't understand how they extract heat from...

    I don't understand how they extract heat from with that. Sounds like just another method to produce heat.
  30. Replies
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    1,241

    In a pinch, you could remove the cores the old...

    In a pinch, you could remove the cores the old fashioned way, pull the vacuum, break it with a little gas and replaces the cores...IF YOU DO IT BEFORE THE GAS IN THE LINES LEAKS OUT... And it leaks...
  31. Replies
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    5,609

    We don't buy them as often as freon so jerks...

    We don't buy them as often as freon so jerks demand higher margins.

    I'm currently using a yellow jacket threaded ball valve at the of my high pressure hose. Lose very little liquid on disconnect...
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    Is that a nickname or is there a supplier in your...

    Is that a nickname or is there a supplier in your area called j-mart?
  33. Replies
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    558

    I've seen the fittings where you land the hoses...

    I've seen the fittings where you land the hoses leak. One guy has taken his out one at a time and Teflon taped them when they started to leak. The entire brass y fitting with the port and parking...
  34. Were you using a valve between the pump and gauge...

    Were you using a valve between the pump and gauge all those times you put it on a pump? If not, it could draw oil in every time you turn the pump off.
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    Is that vacuum rated?

    Is that vacuum rated?
  36. Replies
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    2,437

    Have others confirmed a smell or just tried...

    Have others confirmed a smell or just tried something random and charged a service fee? You need to identify first, then treat. People will guess everyday of the week if you cut them a check each...
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    11,185

    I'd think twice before selling myself any ecm fan...

    I'd think twice before selling myself any ecm fan or unit. One replacement cost is more than you can expect to save on operating expense.
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    1,056

    Would wrapping thermocouple wires with foil tape...

    Would wrapping thermocouple wires with foil tape act as a shield for this interference? Not the exposed tips of course.
  39. Replies
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    4,143

    Latent load is moisture. Sensible load is...

    Latent load is moisture. Sensible load is thermometer temperature change.

    I was looking through the install book on a carrier fv4c unit the other day and it mentions it's designed for a 50 degree...
  40. Replies
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    2,193

    Be extra careful. And observant. Things will be...

    Be extra careful. And observant. Things will be different than you are used to. Many refrigeration units use 115v as their "low" or control wiring. A compressor off due to low pressure switch is how...
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    2,228

    I like the sound of this. Every part of the kit...

    I like the sound of this. Every part of the kit does feel a little more heavy duty compared to other styles.
  42. Replies
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    Small change adds up when you fork it out...

    Small change adds up when you fork it out millions of times.
  43. Replies
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    2,228

    I have the victor cut skill set. I like it. Some...

    I have the victor cut skill set. I like it. Some of the guys I work with prefer them to their own.
  44. A 7.5 in place of a 5.0 is 50% over sized. Five...

    A 7.5 in place of a 5.0 is 50% over sized. Five times greater than allowable tolerance.
  45. Thread: pocket magnet

    by eric1589
    Replies
    7
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    724

    My brother has one from his old job as an auto...

    My brother has one from his old job as an auto service tech. I've been thinking of nabbing it. Try looking in auto parts stores if not in supply houses. I think a core remover end will see more use...
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    2,606

    I haven't done refrigeration in almost 3 years....

    I haven't done refrigeration in almost 3 years. This thread brings back memories. I recall it being more prideful because you get to see and service so many different things. A lot less mundane than...
  47. Thread: PSC vs. ECM

    by eric1589
    Replies
    18
    Views
    1,727

    Are suppliers allowing you to replace just the...

    Are suppliers allowing you to replace just the module now? I never changed one where the actual motor was the problem. You just had to buy them as a $+ package. They wouldn't sell one piece or the...
  48. Replies
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    1,390

    As other have said, the unit came with a...

    As other have said, the unit came with a transformer sized to run the unit only. Sometimes we have to, or customers choose to install other devices that put additional load on the low voltage...
  49. Thread: PSC vs. ECM

    by eric1589
    Replies
    18
    Views
    1,727

    How do you know when you can or can't replace it,...

    How do you know when you can or can't replace it, beyond if it physically fits?
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    1,990

    Who cares if another scumbag calls you a snitch....

    Who cares if another scumbag calls you a snitch. Taking advantage of people should not be looked at as "the way things are done."

    Stick up for that consumer. Imagine any one of your friends or...
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