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  1. Replies
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    Both systems/water flow/btu needs are different...

    Both systems/water flow/btu needs are different ,I think. Even heating is one thing,GPM for a shower or sink is different,I think. I do not "know" of what I speak.
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    X2, also look up the "Venting requirements"...

    X2,
    also look up the "Venting requirements" tables/charts/guidelines/DEMANDS
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    Why a reverse return on DHW as compared to a RR...

    Why a reverse return on DHW as compared to a RR on a hydronic heating system?
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    What is "overfire draft"? What is air temp rise?

    What is "overfire draft"? What is air temp rise?
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    We were taught that after draining out ALL of the...

    We were taught that after draining out ALL of the water we then removed the fan belts and we added a can of "water pump lubricant/antifreeze".
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    For the most part,the "resistance to learn",I...

    For the most part,the "resistance to learn",I think ,it comes under the heading of "laziness".

    Back in 72' or so there was an "oil embargo" which lead to the beginning of higher efficiency units...
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    Doesn't everyone? LOL.

    Doesn't everyone? LOL.
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    "I just grab channel locks" ??? Is that the same...

    "I just grab channel locks" ??? Is that the same thing as get me the "Craftsman" or the "Husky" or even a "Snap On"??? I'm just wondering cause my Channel Lock Catalog has 100 or so tools in it.
  9. Showing a little wisdom(age) here, I have a "hand...

    Showing a little wisdom(age) here, I have a "hand crank" Megger.
  10. On Recip comps that are under a deep vac,there is...

    On Recip comps that are under a deep vac,there is a "warning". And that would be "DO NOT ENERGIZE THIS COMPRESSOR" because of the same type of electrical failure can/will happen. Using a Megger on a...
  11. From my view point life would be a joy. From...

    From my view point life would be a joy. From Copelands view point, I think you would need Factory Approval.
  12. I was taught by Copeland at their COSS class...

    I was taught by Copeland at their COSS class about Scrolls before they hit the "streets" and again years after that class. As said in this thread,Scrolls can not handle a "deep vacuum". They can...
  13. X2, I was wondering about that.

    X2,

    I was wondering about that.
  14. Replies
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    Whats a "Hartford Loop"? Thats a Q that was on my...

    Whats a "Hartford Loop"? Thats a Q that was on my State Of Connecticut test to get a Certified HVACR Mechanics License. Thats the highway that bypasses the city,just like the Chicago Loop! That was...
  15. Kinda depends on how deep of a vac the system...

    Kinda depends on how deep of a vac the system runs in. Some Scrolls have a Compression Ratio sensor that stops the comp from pumping for a anti-deep vac protector. What comp do you have?
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    Get the manuals from Cleaver-Brooks. Tons of info.

    Get the manuals from Cleaver-Brooks. Tons of info.
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    Now,keep in mind that I am a very small Co. I...

    Now,keep in mind that I am a very small Co. I went into my own Business based on my Quality of Work. I did not advertise or have writing/ads painted on my truck or even uniforms. It was just me ,my...
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    Ahhh! You just put a "face" to that Cope AEB that...

    Ahhh! You just put a "face" to that Cope AEB that I read awhile back!Tks!
  19. Replies
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    OP,you plan on zoning(2)a pre-existing ducted 1...

    OP,you plan on zoning(2)a pre-existing ducted 1 zone system? And you thought about adding a 3rd zone? Within reason here,how many compressors are you planing to replace?
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    Have you read spirax/sarco,"Design Of Fluid...

    Have you read spirax/sarco,"Design Of Fluid Systems"- HOOK-UPS-154 pgs and "Design Of Fluid Systems"-STEAM UTILIZATION-66 pgs ????

    Both a Good Read!
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    I also have and read and use the 4th&5th editions...

    I also have and read and use the 4th&5th editions of Low Press Boilers(4th) & High Press Boilers(5th) by Frederick M. Steingress. I even use the companion "Study Guide" addition.

    All a Good Read!
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    Hi press steam only?

    Hi press steam only?
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    I like that word "if",it allows for a lot of...

    I like that word "if",it allows for a lot of wiggle room.

    Now,if the kit temp is 50*F then,FOR SURE there will be a "low head press" situation. But this situation is now in the "this is a problem...
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    I thought that with a "regular system" the...

    I thought that with a "regular system" the minimum head press should be equal to the press that you would see on a 70*F ambient day. So on a 50*f day or a 0*F day the minimum press should be around...
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    Why is that SH so high? Why is that head press...

    Why is that SH so high?
    Why is that head press so low?
    The low side press could be/might be somewhere around normal/not normal based on a few factors.
  26. Thread: delta T

    by TechmanTerry
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    Because the cond coil rejects more heat than the...

    Because the cond coil rejects more heat than the evap coil picks up?
  27. Replies
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    I agree!!! But then,its funny what some of us...

    I agree!!!

    But then,its funny what some of us consider fun. LOLALOT

    At the end of a hard,difficult,aggravating,rewarding day, I usually ask my Apprentice,helper,worker,Did you have ANY fun...
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    I had one, not bad. The best 2 u.

    I had one, not bad. The best 2 u.
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    Good Morning to you.

    Good Morning to you.
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    Why a 375*F fusable plug? I know of 210*F,362*F &...

    Why a 375*F fusable plug? I know of 210*F,362*F & 450*F.
  31. What work was done for 1400 bananas a few months...

    What work was done for 1400 bananas a few months ago?

    Your Co charged for 3 service calls and then you came along?
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    Got a HW tsat #? I think your "naming" of the...

    Got a HW tsat #? I think your "naming" of the switch settings is a little mis- leading. What do you have for settings on the "system switch"? OFF-HEAT-AUTO-COOL? (4 diff settings)Then the "fan...
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    I think that if the NCG are zipping around the...

    I think that if the NCG are zipping around the system,then the system is also low on freon. I think the NCG get "trapped" in the cond coil with a "liquid seal" on a fully charged unit,I think.
  34. Not quiet. More along the lines of what RSES says...

    Not quiet. More along the lines of what RSES says about "What Head Pressures Are Supposed To Be" and also what Jim Bergmann says in the Testo Article "Air-Conditioning Applications Guide" concerning...
  35. Would a double tip be better on that size pipe?...

    Would a double tip be better on that size pipe? Is a nitrogen purge needed to keep the inside of the pipe clean for oxy use?
  36. 60/215 summer press does not sound good to me....

    60/215 summer press does not sound good to me. 215 head KindaSorta sounds like a 78-80*F ambient. So a 60psi loside sounds low.
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    Gene? Or Glenn Hannagan? My Copeland info in...

    Gene? Or Glenn Hannagan?

    My Copeland info in a Application Engineering Bulletin states that 0*F ambient is the boarder line for overpowering the heat produced by the properly sizes CCH.
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    I stock a bunch of run caps.Oval single,oval...

    I stock a bunch of run caps.Oval single,oval dual,round single,round dual.For several decades now,I have always had the correct run cap. I store my caps in evap/cond motor boxes. The boxes fit nice...
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    Yeah,I bet , and every night just as your head...

    Yeah,I bet , and every night just as your head hits the pillow. lol.
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    John? John Tomczyk? He is "The Professor" on "the...

    John? John Tomczyk? He is "The Professor" on "the NEWS" weekly NEWS paper.
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    Thats a 60* CCH on/off temp control or a...

    Thats a 60* CCH on/off temp control or a CompContactor lock out sw?
  42. Replies
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    Didn't GURU say that he spoke w/ John Tomczyk...

    Didn't GURU say that he spoke w/ John Tomczyk about this?
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    #9 comp CPH? Is that for AC comp cycle?

    #9 comp CPH? Is that for AC comp cycle?
  44. NO! the air vents vent air at diff speeds/CFM for...

    NO! the air vents vent air at diff speeds/CFM for "balancing" the vent rate of all of the rads for even heating.
  45. Replies
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    I like your cushion idea. Cope & Tecumseh...

    I like your cushion idea.

    Cope & Tecumseh mention their "dividing line" between good and evil as being 225*F. But again, a cushion is comfy
  46. Those things come in diff sizes. What position...

    Those things come in diff sizes.

    What position is the radiator open/closed valve in?

    OP,I really like the "for no apparent reason" part, a lot!!!!
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    Energizing the CCH for 24-48 hrs allows for the...

    Energizing the CCH for 24-48 hrs allows for the very small amount heat of the CCH to slowly heat the oil and drive out the freon from the oil.

    Copeland has finally done electrically/electronically...
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    Stir that pot,lol! You are correct in saying...

    Stir that pot,lol!

    You are correct in saying that the max discharge line temp is 225*F and across the board I measure that temp a lot
  49. Replies
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    CCH are extremely important to the life of a...

    CCH are extremely important to the life of a comp. Migration takes place when the comp/CU is colder than the evap. Migration also takes place when the comp/CU AND the evap are all at the same temp as...
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    I agree!

    I agree!
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