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  1. Replies
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    392

    Liquid Pressure Amplification is the process. ...

    Liquid Pressure Amplification is the process. Allows for reduction in head pressure, pump does the work. Hysave brand is what I recall.
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    33,760

    What has everyone been doing at the swaged joints...

    What has everyone been doing at the swaged joints at the condenser valves and at the coils? Cutting off the swaged section?
  3. Thread: Five in a row.

    by rfhcms
    Replies
    34
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    3,766

    Merchant Couplings: Made of steel tubing...

    Merchant Couplings:

    Made of steel tubing (either carbon, galvanized, stainless, or black), merchant couplings are used often in low pressure piping situations, like with water, oil, air, or gas...
  4. Replies
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    5,751

    No elcheapo solder job. Plumber used Ridgid...

    No elcheapo solder job. Plumber used Ridgid Propress for the piping. This tool and heads is practically $3600 alone. Thats more than the whole job. Meanwhile electrical add-a-box in corner is...
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    1,863

    Gas connectors for water. Never thought of that...

    Gas connectors for water. Never thought of that dual purpose, I'll have to check to see of the color coding for hot & cold is correct. Galvanized gutter for the vent 90 which is heavier than smoke...
  6. Replies
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    6,058

    Bought a 4 cu.ft. refrigerator a year ago from...

    Bought a 4 cu.ft. refrigerator a year ago from "the closest thing to wholesale" place. Look at the box and it's Isobutane. Has the required warning markings all over it, inside and out. So,...
  7. Replies
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    6,058

    R600a, R441A and R-290 are exempt or will be from...

    R600a, R441A and R-290 are exempt or will be from venting. See end of page one and top of page 2 to:
    ...
  8. Replies
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    20,919

    Adbridged Quotes: "How about stop do background...

    Adbridged Quotes: "How about stop do background check and drug test" AND "y r u passing judgement r u god?"
    My required ANNUAL company paid physical consists of the usual plus Hearing, Vision,...
  9. Here's a link at Imperial/Airserco: ...

    Here's a link at Imperial/Airserco: http://airserco.com/sites/default/files/Dehydrating-Cooling-Appliances.pdf

    although for a 106 page 5x8 booklet on the subject, you want to get "Review of...
  10. Replies
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    1,164

    Leaking from where? If it is the internal pump...

    Leaking from where? If it is the internal pump seal, that drips into a pan under the pump then onto the floor.
  11. Replies
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    1,132

    I see the main focus of this thread is...

    I see the main focus of this thread is automotive, but it's coming to U.S. equipment too.
    RSES was contacted by several equipment manufacturers to develope a safety course and test similar to the...
  12. Replies
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    1,903

    The moisture will react with the POE synthetic...

    The moisture will react with the POE synthetic oil that was made from acid, and turn it back to acid. The moisture absorbed in the POE cannot be removed by a good vacuum. It can only be removed by...
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    10,244

    To keep the various meter models affordable, they...

    To keep the various meter models affordable, they only put in some features and limit the range of some of those features. My experience was that the Fluke HVAC Clamp meter did not have the OHM...
  14. Thread: Watts 009

    by rfhcms
    Replies
    2
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    935

    RPZ or no RPZ (Reduced Pressure Zone Backflow...

    RPZ or no RPZ (Reduced Pressure Zone Backflow Preventer) you have to have a makeup flow equal to or greater than your tower evaporation rate plus drift and blowdown. So if there is no water meter in...
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    1,024

    By the way, the compressors on this chiller are...

    By the way, the compressors on this chiller are Trane CSHA150K0B00 and CSHA150K0E00 which are both 3D Scrolls. It appears these sensors are nothing like what Copeland uses with the module on the...
  16. Replies
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    1,024

    Trane Cold Generator control circuit short

    Been having the 120V 6amp control fuse blow on a Trane CGAFC304 Cold Generator with the twin scroll compressors. With the neutral grounded on the 480-120 transformer as per the print it runs for a...
  17. Replies
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    867

    If the owner/engineer/local authority wants...

    If the owner/engineer/local authority wants documentation of your equipment and annual calibrations, it doesnt' matter what equipment you get. If you can't prove recent calibration, you may not get...
  18. Replies
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    3,079

    Glycol will reduce capacity due to weight being...

    Glycol will reduce capacity due to weight being pumped, absorbtion of air since it's hygroscopic, and pump like a milk shake due to that air. Open air vents will add to that air during a shutdown. ...
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    1,879

    As long as you earn 60 continuing education hours...

    As long as you earn 60 continuing education hours in EACH SPECIALTY you have, and before the expiration date, you don't have to retest. So, that means getting 60 for air conditioning and 60 for...
  20. Last I read, the old Honeywell economizer sensors...

    Last I read, the old Honeywell economizer sensors and moduals are no longer supported by Honeywell. So JADE is it.
  21. Replies
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    2,137

    What were they thinking, they should have put...

    What were they thinking, they should have put about 30 zip screws around the perimeter. Seriously, two or four zip screws would have done the job.
  22. Replies
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    2,252

    Only the first three bays up front are air...

    Only the first three bays up front are air conditioned by the way it looks. When the congregation grows the next bay will get three units and so on. Until then, if you sit in the back, you are not...
  23. Thread: license info

    by rfhcms
    Replies
    3
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    589

    Detailed notarized experience letters from past...

    Detailed notarized experience letters from past employers on letterhead are not acceptable to municipality or state? You got that in writing?
  24. Replies
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    2,783

    The hilo in the original thread only wanted...

    The hilo in the original thread only wanted somebody to rub its' belly. Either that or it died.
  25. Thread: LAZINESS!!!

    by rfhcms
    Replies
    11
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    3,008

    Hey, you ever priced out a bunch of black...

    Hey, you ever priced out a bunch of black couplings and nipples, and not to mention the amount of teflon tape that would take? We don't own no stinkin pipe threader either, just a waste of money....
  26. Replies
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    2,442

    Cutting that paddle down to fit was not his job. ...

    Cutting that paddle down to fit was not his job. Or, the pipe has so much crap in it that it actually used to fit. Been there.

    If that job has a problem with repeat broken paddles, other than by...
  27. Replies
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    1,227

    RSES sells the Dewalt HVAC certification study...

    RSES sells the Dewalt HVAC certification study guide that is Q & A. McGraw-Hill has a HVAC licensing study guide that is Q & A. These questions are similar to the city or state license exam...
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    582

    Overfeeding of water treatment. Possibly...

    Overfeeding of water treatment. Possibly incompatable treatments mixed. Biocide may foam some, but overfeeding of one biocide. Hopefully you have not been mixing two biocides together at the same...
  29. Thread: Why copper?

    by rfhcms
    Replies
    9
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    1,983

    Sounds like an engineer who thinks he has all the...

    Sounds like an engineer who thinks he has all the answers . What was his alternative material? Was he looking for the red and blue PEX like in the house? Copper is what is offered and has a lot of...
  30. Replies
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    12,168

    Regarding the flare gauge, check with a Daiken...

    Regarding the flare gauge, check with a Daiken supplier. I have one, but no part number on it, at least in english. http://www.behler-young.com/tech-tips/what-do-we-know-about-flare-fittings ...
  31. Replies
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    That's either a romex connector or mc cable...

    That's either a romex connector or mc cable connector on the furnace, not compatable with emt. Should have painted it so it wasn't so obvious. Switch, we don't need no stinkin switch. It may have...
  32. Thread: Clean install

    by rfhcms
    Replies
    6
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    2,026

    Is that copper going to that fernco connected to...

    Is that copper going to that fernco connected to the black pvc in pic.2?
  33. Thread: NO AC CALL

    by rfhcms
    Replies
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    4,904

    Wait till Barney Fife catches up with them and...

    Wait till Barney Fife catches up with them and slaps the EPA fine on em for venting.
  34. Replies
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    Hopefully it's the Hydrobalance. But maybe it's...

    Hopefully it's the Hydrobalance. But maybe it's copper sulfate, the stuff they put in decorative ponds.
  35. Replies
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    Use a sheave gauge to judge wear on both sheaves....

    Use a sheave gauge to judge wear on both sheaves. With distance in photo it is hard to tell, but it looks like belts are riding too low in sheave. So that's either wear or wrong belts. Are the...
  36. Replies
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    6,728

    The control board was called ICECON, and from...

    The control board was called ICECON, and from what little I recall the software was of the same name, but it came on an unmarked CD. You have to contact ICE for it. These low temp rise units were...
  37. Replies
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    3,457

    Borrowing a Three Stooges plumbing line, "no...

    Borrowing a Three Stooges plumbing line, "no wonder it don't work, it's all clogged up with wires!"
  38. Thread: 90% furnaces

    by rfhcms
    Replies
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    2,830

    Your inquiry was about mandating that the...

    Your inquiry was about mandating that the northern states have only 90% furnaces on new/replacement installations starting May 1 this year, while southern states have a minimum of 80% furnaces. That...
  39. Replies
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    11,181

    RX-11 is non-flammable but paint thinner is...

    RX-11 is non-flammable but paint thinner is flammable. RX-11 is also approved for the use, while I would guess paint thinner is not, nor would it probably be compatable with system components. ...
  40. Replies
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    3,823

    You guys got it all wrong. That's either a...

    You guys got it all wrong. That's either a rescue transformer like a dingy towed behind a boat, so in case the blue smoke comes out of the main transformer, it can take over in an emergency, or it's...
  41. Thread: spot the defect

    by rfhcms
    Replies
    11
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    2,795

    If it had been a metal wall, it may have been...

    If it had been a metal wall, it may have been rotted through by now. As for the wall, maybe it's bad mortar or stucco.
  42. Replies
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    6,728

    Look at these google searches: ...

    Look at these google searches:

    www.ice-ww.com/HTDM%20Installation%20Manual.pdf see page 27


    http://hvac-talk.com/vbb/showthread.php?223742-ICE-Con-burner-setup-questions


    Sorry,...
  43. Replies
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    6,728

    My experience with ICE units is similar. We had...

    My experience with ICE units is similar. We had about a dozen non-Icecon controlled units which worked great, and they are high temp. rise units. The four newer units controlled by Icecon boards...
  44. Thread: Fun times

    by rfhcms
    Replies
    34
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    7,184

    Oh goody, railing as required by code, but don't...

    Oh goody, railing as required by code, but don't think working on it from that side of the railing is approved. Almost makes you wonder which was there first, the rail or the RTU.
  45. Replies
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    2,913

    Couldn't find the article I was thinking of when...

    Couldn't find the article I was thinking of when I first posted. Go to page 7 for "One Engineer's Opinion.

    http://hvacinsidernews.com/wp-content/uploads/2012/08/3rd-QTR-2012-NATIONAL-Edition.pdf
  46. Replies
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    2,913

    Read HVAC Insider article on it. Have not had...

    Read HVAC Insider article on it. Have not had any experience with it, but looking at it for our RSES Chapter in the furure.
    ...
  47. Pressure & Power Alarm.

    acwatchdog.com system will watch low voltage, high voltage and pressure.
  48. Replies
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    3,887

    Johnstone part X82-258 under the name of...

    Johnstone part X82-258 under the name of "Condenser Needle" by Speedclean.
  49. Replies
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    4,267

    If this is a rooftop with an economizer, there is...

    If this is a rooftop with an economizer, there is always the possibility of a short in the circuits going through econo wiring/modules.
  50. Thread: r s e s?

    by rfhcms
    Replies
    6
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    2,099

    Based on the section this was posted in, CFESA...

    Based on the section this was posted in, CFESA may be your best option, as you will not get food equipment training/literature/certification from RSES.

    Everything depends on what your goals are. ...
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