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  1. But the unit nameplate says 45A max breaker. ...

    But the unit nameplate says 45A max breaker.
    The calculations seem to support that same 45A number.
    Even CODE seems to indicate that 45A would be well sized.
    How does youtube-nonsense...
  2. You need a new calculator. The real unemployment...

    You need a new calculator. The real unemployment rate is closer to 50%.

    Maybe let's you and me look at this way - what percentage of the US population pays income taxes? From that subtract...
  3. Well; let pretend we don't have a manual - ...

    Well; let pretend we don't have a manual -

    8000 watts divided by 240 volts is about 34 amps. The blower draws a few amps - let's say; 3 amps. And then the control circuit draws less than...
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    Google " Trace " It's a very old-school leak...

    Google " Trace "

    It's a very old-school leak detecting dye. I never liked it because it often looks the same color as old copper.

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    What is the loop piping material? PHM --------

    What is the loop piping material?

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  6. Sure. During the depths of 'the great...

    Sure. During the depths of 'the great depression' things were said to be tragically, horribly, wrong. One of the often cited indications is 'the 25% unemployment' rate they had then.

    OK; so...
  7. The Story -

    There was a young girl named Emily in the kitchen with her mother. The mother was preparing dinner and the young girl was helping her / learning to cook. They were preparing a piece of beef for Pot...
  8. There is a lot of old information still being...

    There is a lot of old information still being passed around: You can't put a car battery on concrete or it will go dead. You can't lay a refrigerator on it's side or the compressor will fail. Etc....
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    I use a lot of R407C. And have even started...

    I use a lot of R407C. And have even started making it myself. I have found that generally it's a drop-in for any even reasonably piped system. I have changed existing compressors to POE oil. I...
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    Can you post some part numbers for internally...

    Can you post some part numbers for internally equalized TXV's which do not equalize the high and low sides during the compressor's off cycle?

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  11. But not one of these bastards even mentions the...

    But not one of these bastards even mentions the core of the whole problem. Forget whether alcohol is The Right Answer or not - cheap alcohol is made from sugar - not corn. Every toothless...
  12. How about this angle: Take all the presently...

    How about this angle:

    Take all the presently officially unemployed
    Add all those of working age who are not working
    Add all military personnel
    Add all social security recipients
    Add all the...
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    I also think that a dictatorial mindset, which...

    I also think that a dictatorial mindset, which would not work well in the US, is more prevalent in Europe.

    A do-this-or-else mandate like that in the US would be met with, at least; massive...
  14. Speaking of simplicity - I also have a customer...

    Speaking of simplicity - I also have a customer with a natural gas boiler with a power-pile control system. It uses all gravity cast-iron baseboard radiation. Quiet, simple, and zero electrical...
  15. I bet that smelled nice. I used to have an...

    I bet that smelled nice. <g>

    I used to have an old customer with an old floor furnace. He had a big chair sitting right on the floor grille. What a pleasure it was to sit in that chair and write...
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    Sure; I understand what you want to do. But...

    Sure; I understand what you want to do. But this is my point -

    Let's say that the clock is a 24 hour clock. And that it runs / is powered for 24 continuous hours.

    Let us further say that...
  17. That picture's not much to go on but it looks...

    That picture's not much to go on but it looks like a gravity floor furnace to me. I am pretty sure you can still buy them.

    That is a Super Performance unit - so I'd keep it. <g>

    With a...
  18. 1. Yes: a short cap tube of small diameter can...

    1. Yes: a short cap tube of small diameter can equal a long cap tube of larger diameter.

    2. Vehicle A/C systems are in the 3-4-5 ton range. Your palm-sized compressor is about 1/25 of one ton -...
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    Everything I've said already aside - if this was...

    Everything I've said already aside - if this was my problem to resolve I would replace the thermostat and not bother with a timer. Install a 37º constant cut-in thermostat, make the pigtail coil,...
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    How would that work? Starting the clock only...

    How would that work? Starting the clock only after a defrost is required would mean you would be waiting for a Long time for the actual off-cycle to begin. <g>

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    That is the way that some domestic refrigerators...

    That is the way that some domestic refrigerators are set up - timer motor powered in parallel with the compressor. I have also seen those little crap-boxes sold as commercial refrigeration units,...
  22. Check SC temperature at the outlet of the...

    Check SC temperature at the outlet of the condenser.

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  23. Yes. PHM -------------

    Yes.

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    So an internally equalized TXV does Not allow...

    So an internally equalized TXV does Not allow high side / low side equalization during the off-cycle?

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    One time I had a 500 ton compressor getting torn...

    One time I had a 500 ton compressor getting torn up on a regular basis. It was piped to STACKS of DX coils. A major US mechanical company checked and rechecked all operating circumstances and...
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    Why didn't you just change the valves? Why...

    Why didn't you just change the valves? Why change the whole compressor?

    These two statements don't go together well:

    1. "Operation demands are 24/7 365 days a year."
    2. "we have had to...
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    An internally equalized TXV will allow off cycle...

    An internally equalized TXV will allow off cycle system pressure equalization - And not require installing an equalizing line connection.

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  28. Sure - it could be the furnace. Although not...

    Sure - it could be the furnace. Although not likely the blower.

    What is the accurate heat loss calculation on the house?

    What is the heating capacity of the new furnace?

    What are the cycle...
  29. I would cover any dirt in the crawl space with...

    I would cover any dirt in the crawl space with heavy plastic. Then add constant powered ventilation to the crawl space to ventilate it, dry it, and to create a negative pressure in the drawl space....
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    I am not really arguing any specific point in...

    I am not really arguing any specific point in this discussion we are having - but condenser exit velocity wants to be very low anyway: generally less than 100 FPM, and the liquid would already be...
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    For reverse cycle defrost refrigeration systems ...

    For reverse cycle defrost refrigeration systems (originally I built them from residential heat-pump condensing units) I needed a reversible receiver. So I used to use a few feet of 3" copper L,...
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    Just mount it vertical with both connections on...

    Just mount it vertical with both connections on the bottom and it will work just fine.

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    Well; I meant: do it secretly and without...

    Well; I meant: do it secretly and without monetary pay. Just to help the guy and to tweak his boss. <g>

    I already do it by telephone for a few local guys. It's great fun to me.

    PHM...
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    Oh please; nobody has it all memorized. Reading...

    Oh please; nobody has it all memorized. Reading the instructions shows good character and a willingness to be thorough in working for the customer's best interests.
  35. Yes; some shorts are good. Which reminds me...

    Yes; some shorts are good.

    Which reminds me of something which happened today.

    I'm sure I've already told the story of meeting this girl. A little Cutie. The skin tight silky tiny...
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    I have a small truck now but even when I drove a...

    I have a small truck now but even when I drove a rolling warehouse I was already starting to stock only universal parts. A couple of U boards for spark ignition and HSI ignition carry me through 99%...
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    You know what I think I would enjoy doing? I'd...

    You know what I think I would enjoy doing?

    I'd like to secretly buddy-up with a young guy pushing a service truck around. He could come pick me up in the morning, we could ride around all day...
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    Is that a CB Radio antenna? PHM --------

    Is that a CB Radio antenna?

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  39. R-407C is a drop-in for R-22 - the same TXV's are...

    R-407C is a drop-in for R-22 - the same TXV's are cool with either refrigerant. But R-404 valves will not play very nice with R-407C. The flow rates are too different - the R-404 TXV's will tend to...
  40. If it were me, I would install this new system...

    If it were me, I would install this new system using R-407C. I use and like it more and more all the time.

    R-407 is a blend of R-134 and R-410. A or C or whatever: all that changes is the...
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    Beerme wrote: "That's a sad statement." ...

    Beerme wrote: "That's a sad statement."

    Because hurtinhvac wrote: "Work is all the things we hate."

    I ask: Why do you think it's sad? Maybe I am taking it wrong - but it seems to be true to...
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    What is it? PHM ---------

    What is it?

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  43. That is amazing! You are pulling the vacuum at...

    That is amazing! You are pulling the vacuum at 9:00A and were still able to post notification to that effect here at 8:13A - I have just Got to start buying watches wherever you shop. <g>

    PHM...
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    I am positive that I would rather step in crap...

    I am positive that I would rather step in crap than ever take the bus again.

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    Supco 88 has been around for sixty years and is...

    Supco 88 has been around for sixty years and is claimed to do many positive things for refrigeration systems. Some people recently, me included, have been successfully experimenting with using Supco...
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    Something you may want to consider is that...

    Something you may want to consider is that fiberglass freely conducts convection air flow through itself. That's why the stated R values can easily be an advertising scam. But cellulose does not do...
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    Supco 88 in an injection can ?

    Maybe?

    http://www.smarthvacproducts.com/product/super-change
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    If it were me I would replace the suction line...

    If it were me I would replace the suction line and run the new cap tube inside the new suction line. With a copper tee at each end it's easy: cap tube out the end of the tee and both suction...
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    What do you project as possibly happening? How...

    What do you project as possibly happening? How could it go horribly, terribly, tragically wrong do you think? Which evil woe may befall us?

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    I agree but I thought the lad's problem was that...

    I agree but I thought the lad's problem was that he couldn't find the fitting in one piece.

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