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  1. 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...
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    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.
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    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...
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    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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    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...
  6. Thread: Watts 009

    by rfhcms
    Replies
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    587

    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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    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...
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    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...
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    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...
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    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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    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...
  12. 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.
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    1,546

    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.
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    1,630

    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...
  15. Thread: license info

    by rfhcms
    Replies
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    340

    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?
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    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.
  17. Thread: LAZINESS!!!

    by rfhcms
    Replies
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    2,390

    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....
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    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...
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    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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    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...
  21. Thread: Why copper?

    by rfhcms
    Replies
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    1,243

    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...
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    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 ...
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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...
  24. Thread: Clean install

    by rfhcms
    Replies
    6
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    1,560

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

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

    by rfhcms
    Replies
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    3,624

    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.
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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.
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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...
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    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...
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    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!"
  30. Thread: 90% furnaces

    by rfhcms
    Replies
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    1,696

    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...
  31. 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. ...
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    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...
  33. Thread: spot the defect

    by rfhcms
    Replies
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    1,819

    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.
  34. Replies
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    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,...
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    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...
  36. Thread: Fun times

    by rfhcms
    Replies
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    4,735

    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.
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    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
  38. Replies
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    2,094

    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.
    ...
  39. Pressure & Power Alarm.

    acwatchdog.com system will watch low voltage, high voltage and pressure.
  40. Replies
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    2,618

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

    Johnstone part X82-258 under the name of "Condenser Needle" by Speedclean.
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    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.
  42. Thread: r s e s?

    by rfhcms
    Replies
    6
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    1,557

    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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    You sure they didn't just take it back to the...

    You sure they didn't just take it back to the shop for a good cleaning?
  44. Replies
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    Had these folks do a presentation for our RSES...

    Had these folks do a presentation for our RSES Chapter. Check out www.acwatchdog.com as their product monitors high voltage, low voltage and refrigerant loss. Not sure if upgraded to a phone system...
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    1,030

    From past experience, if the system was designed...

    From past experience, if the system was designed with the thought that a specific glycol was going to be used, the heat transfer factor for that glycol was figured into the job for heat transfer and...
  46. Thread: NATE or not

    by rfhcms
    Replies
    46
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    2,950

    A few things to remember about NATE. In order to...

    A few things to remember about NATE. In order to be called NATE certified, you have to pass the Core AND at least one specialty. For that one specialty, you need to get 60 hours of recertification...
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    Do a Google for arc flash videos. Watch a few. ...

    Do a Google for arc flash videos. Watch a few. It helps to understand what you don't want to experience.

    Another related item you may not have heard about yet is that you should be using...
  48. Thread: Amp Meters

    by rfhcms
    Replies
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    1,737

    Don't know who makes the meter for Westward, but...

    Don't know who makes the meter for Westward, but name brand quality it may not be. Look at the manual, each meter has different resolution specifications, and yours may have a wider margin of error...
  49. Water treatment along with continuous surface...

    Water treatment along with continuous surface blown and periodic bottom blowdown maintains total desolved solids in the boiler. When this level is too high, the boiler basically has a layer of...
  50. I was so long winded the first response was lost...

    I was so long winded the first response was lost when the system logged me out, so this will be shorter.

    Sodium zeolite beads inside the softener exchange calcium & magnesium hardness from the...
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