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  1. Replies
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    Pumpdown,simple,easy,normal.

    Pumpdown,simple,easy,normal.
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    Well, when I was a new young Apprentice, there...

    Well, when I was a new young Apprentice, there were for the most part,only 3 freons around,12,22,502. The Techs told me to go get the Dichlorodifluoromethane and not the CCl2F2.
  3. Steve,I loved that "back road". Where you living...

    Steve,I loved that "back road". Where you living there in 69-70'? I did get a speeding ticket on the bridge by the back entrance to the Ship Yard. I tried my best and lost against a Dodge...
  4. Wooooops, I meant Mustang "GT" not LT

    Wooooops, I meant Mustang "GT" not LT
  5. LOL w/ that!!!!! At the end of every work day I...

    LOL w/ that!!!!! At the end of every work day I took the "back road" past the Airport,that windy,twisty,curvy,tire screeching,fun driving road, while driving my 68' LT,Mustang,Fastback,4 barrel,4...
  6. Hi Boys(fellow collectors) Glad to see that I'm...

    Hi Boys(fellow collectors) Glad to see that I'm among some NoRmAl folks.lol.

    I'm gonna say that I might have a foot up on some. Back in 69-70' my Submarine was in "dry dock" in the Philadelphia...
  7. 40lbs of nuts,bolts,machine screws,washers,sheet metal screws,wood deck screws

    At work when I need some nuts/bolts/screws I go get them from my Hardware draws. Lets say I go get 6 nuts/bolts/screws but I use only 4 of each. The left over/extra nuts/bolts/screws/wire nuts/crimp...
  8. I have around 20 diff Copeland start caps...

    I have around 20 diff Copeland start caps on-board as I do AC&R, and I like OEM exact parts.
  9. If the ONLY thing you work on is as you stated...

    If the ONLY thing you work on is as you stated (1.5 - 5T) AC ,then you might get by w/ the 5-2-1 relay/start cap kit'S or the Supco SPPE kit'S. The 5-2-1 kits ,which there are 3 all have 3 diff...
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    If he is a Tech then he should come back,simply...

    If he is a Tech then he should come back,simply because he has some "skin in the game" and he realizes he was "un-knowledgeable"as a Tech and he should also realize that "he ain't gonna quit" just...
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    Larryjack the HO?, I'd be surprised? or Larryjack...

    Larryjack the HO?, I'd be surprised? or Larryjack the Tech?, I'd be delighted!!!!!!!!!
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    Larry, so how much $$$ was that board and what...

    Larry, so how much $$$ was that board and what are you going to do w/ the old board?
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    Cheap usually means BIG BUCKS for service/repairs.

    Cheap usually means BIG BUCKS for service/repairs.
  14. What was the ambient? How much refrig did you put...

    What was the ambient? How much refrig did you put in vs how much the system needs?

    What vac did you pull the entire system down to?
    I'll give a guess and say there is a Scroll comp in the...
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    Lets NOT forget about the voltage reading,whether...

    Lets NOT forget about the voltage reading,whether you like it or not. I'll let other be all nice and easy on you,it seems that is not my style. As stated you DO NOT sound like a Tech. If you are a...
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    Try to loosen it to see that it moves,then...

    Try to loosen it to see that it moves,then re-tighten
  17. 100 year old residence's I would think Steam...

    100 year old residence's I would think Steam Radiators "within" the rooms. Forced air was not out way back then,I think.

    This is for Apartment Complexes,right?
  18. Replies
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    Well now young man, I like that thinking. I've...

    Well now young man, I like that thinking. I've been trying like a SOB for just over 5 DECADES to be a Good Tech. Wanna play "Catch UP"? LOL.
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    Its tough being a Good Tech,but keep up the good...

    Its tough being a Good Tech,but keep up the good work and effort.

    You up and studying at this hour? I am.
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    The minimum Total SH ,as per Copeland is 20*F, so...

    The minimum Total SH ,as per Copeland is 20*F, so something ain't right.
  21. OP, What type of heat emitters do the...

    OP, What type of heat emitters do the "residential"customers have for heating their residences? What pressure are those heat exchangers subjected to?

    Did you look at the spirax/sarco books about...
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    Not according to what we were told in Class. The...

    Not according to what we were told in Class. The Scroll comp "efficiency" gets better and better w/ age,KindaSorta like me! lol. This is opposite a recip/piston comp which losses a little w/ age.
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    Tks. I did not have my screen on "full screen" so...

    Tks. I did not have my screen on "full screen" so the print was real small. lol.
    But, I think that says 4% of floor space. I'm not sure how that converts over to % of indoor air,as in CuFt %.
  24. What type of heat emitters (radiators/convectors)...

    What type of heat emitters (radiators/convectors) do the tenants have?
  25. Yup, like that. What's the diff between a...

    Yup, like that.

    What's the diff between a steam Pressurestat vs a Vaporstat? On a system designed for ounces the steam flows faster than if the press was increased up into pounds. By increasing...
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    LOL w/ that. But if it helps being a better Tech!

    LOL w/ that. But if it helps being a better Tech!
  27. Replies
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    The scroll surfaces get "smoother" as the comp...

    The scroll surfaces get "smoother" as the comp runs and gets worn in ,thus increasing the efficiency. At least that is what Copeland teaches in their 3 day COSS Seminar
  28. Very low steam pressure is rated in ounces not...

    Very low steam pressure is rated in ounces not pounds.
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    Can you better define a "worn Scroll comp"? A...

    Can you better define a "worn Scroll comp"? A damaged scroll is one thing. But a scroll gets gets better as it gets "worn in",not like a typical recip comp.
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    4% of Fresh Air ? Where is that info coming from?...

    4% of Fresh Air ? Where is that info coming from?

    Try "Ventilation for Control of the Work Environment" by William A. Burgess, Michael J. Ellenbecker & Robert D. Treitman... 476 pgs.

    It is a...
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    How about letting the alphabet help you remember...

    How about letting the alphabet help you remember which devise is which. The Accumulator protects the Compressor(A-C) and the Receiver Stores(R-S) the refrigerant.
  32. [QUOTE=Discostu0813;25850218] The Empire State...

    [QUOTE=Discostu0813;25850218]

    The Empire State Bldg in NYC operate at lower steam press than that.
  33. Knowing how much water is being added is...

    Knowing how much water is being added is important to know. How old were the replaced boilers?
  34. What is the steam used for? Why is fresh water...

    What is the steam used for? Why is fresh water being added on a regular basis? Call the Mfrg of the boiler,talk to their Engineering Dept. What make boiler?
  35. icemeister, tks for that nationwide coil download...

    icemeister, tks for that nationwide coil download info. I call the factory and got a few more pieces of literature to add to my Library.
  36. OP,where are you located? Was this coil installed...

    OP,where are you located? Was this coil installed for this grow room or pre-existing? Is there fresh air involved? What refrig unit makes the water cold? What are the refrig units temp set for?
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    Welcome Brother, I feel just a little bit better...

    Welcome Brother, I feel just a little bit better having a Bro who didn't read/catch everything as I did,,,,, LOLALOT
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    Does that mean that I am 1/2 assed?LOL. ...

    Does that mean that I am 1/2 assed?LOL.

    Copeland has some of their Refrig CU with their EUC -Electronic Unit Controller- that looks like a Dixell Electronic Temp Control because it is made by...
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    OH! U R right again!!!!!

    OH! U R right again!!!!!
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    Migration. A brand new RTU traveling down the...

    Migration. A brand new RTU traveling down the road on a flatbed truck has the comp oil saturated w/ refrigerant. Some if not all units are supposed to have the CCH energized for 48 hrs before...
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    Stutter start, on for 2-3 sec, off for same time;...

    Stutter start, on for 2-3 sec, off for same time; 2nd time on 3-4 sec,off for same time,3rd time on 3-4 sec,off for same time ;4th time on for 5-6 sec ,off for same , then let it run. Been doing this...
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    How long will you heat up the crankcase to drive...

    How long will you heat up the crankcase to drive the oil out? You can stutter start/bump start the comp 4-5 times to accomplish the same thing in a shorter time frame.
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    If you go pumpdown,can the CU hold all of the...

    If you go pumpdown,can the CU hold all of the refrigerant? "Todays" CU come w/ enough freon for just a 15' lineset.
    The LLSV might have to be located at the indoor unit to prevent pumping too much...
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    Articles for hours AND HOURS!!!!! I have this...

    Articles for hours AND HOURS!!!!!

    I have this one "Contracting Business" Mag w/ an article titled "Free Literature on Variable Speed Drives" and another article "Strategies for Efficient Boiler...
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    Is that what is called studying? LOL. I have...

    Is that what is called studying? LOL.
    I have LOTS of past monthly Mags with that same name. Think thats a coincident? They have EXCELLENT articles.
  46. It was mentioned,today,on TV(Fox,again) the this...

    It was mentioned,today,on TV(Fox,again) the this deadly bug was found in the Ventilation system in a Chinese Hospital. This is not the same country as in my original post.
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    Hoard T-paper!!!!And leak proof garbage bags!!

    Hoard T-paper!!!!And leak proof garbage bags!!
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    Ditto that!!! On one laundromat that was the last...

    Ditto that!!! On one laundromat that was the last store of a 6-8 store structure,I rotated the drier rooftop vent "gooseneck" 180* to blow down the side of the bldg towards the parking lot. Problem...
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    Because it is hotter down there? Some talk that...

    Because it is hotter down there? Some talk that the "regular" flu dies out in our summer, and it does. Some talk about this Kung Fu Flu dying out once the warmer weather comes back to the USA.
  50. Just heard on Fox TV that overseas in Asia that...

    Just heard on Fox TV that overseas in Asia that this Kung Fu Flu has been found in the HVAC duct work. This is in a Hospital.
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