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    https://uploads.tapatalk-cdn.com/20191019/c809dd6c...

    https://uploads.tapatalk-cdn.com/20191019/c809dd6c349498437b73331e25814240.jpghttps://uploads.tapatalk-cdn.com/20191019/f99b83966cbb00e7e966fbbe956829a2.jpghttps://uploads.tapatalk-cdn.com/20191019/9b...
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    https://uploads.tapatalk-cdn.com/20191019/49d7b9ba...

    https://uploads.tapatalk-cdn.com/20191019/49d7b9ba321084b11d26c7beaa24992e.jpghttps://uploads.tapatalk-cdn.com/20191019/7cb835d6c5c21c6bd2c9437d123ecaac.jpghttps://uploads.tapatalk-cdn.com/20191019/44...
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    https://uploads.tapatalk-cdn.com/20191019/198704fe...

    https://uploads.tapatalk-cdn.com/20191019/198704fe157b1b6122cd3bbc5baf285f.jpghttps://uploads.tapatalk-cdn.com/20191019/7cc941f83725e9c4ffae671ddce78a8d.jpghttps://uploads.tapatalk-cdn.com/20191019/a0...
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    https://uploads.tapatalk-cdn.com/20191019/54e440de...

    https://uploads.tapatalk-cdn.com/20191019/54e440defe0a7a540164af66e8a7b65c.jpghttps://uploads.tapatalk-cdn.com/20191019/6cc6f8d9965e76799348b583217c3c3f.jpghttps://uploads.tapatalk-cdn.com/20191019/6c...
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    Some more pics ...

    Some more pics
    ...
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    https://uploads.tapatalk-cdn.com/20191011/55674541...

    https://uploads.tapatalk-cdn.com/20191011/55674541f67451ca37ec09278dccdf54.jpghttps://uploads.tapatalk-cdn.com/20191011/702f8788ea3a8855eeb141747cfedc63.jpghttps://uploads.tapatalk-cdn.com/20191011/f7...
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    Get a ball bearing motor Put a icm333 with a...

    Get a ball bearing motor

    Put a icm333 with a icm380 transducer on and call it a day

    Send me details on this unit and i will look it up myself.


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    https://uploads.tapatalk-cdn.com/20191010/d39f23da...

    https://uploads.tapatalk-cdn.com/20191010/d39f23da074ff545748e0b3e97a5f856.jpg

    Refrigerant pipes and venting done today
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    You can see how fun the attic is. Made new...

    You can see how fun the attic is.

    Made new racks for units to sit in.
    4" filters
    Some new ductwork
    New refrigerant pipes
    Liquid and suction both insulated
    New condensate drains and...
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    https://uploads.tapatalk-cdn.com/20191009/5dc19689...

    https://uploads.tapatalk-cdn.com/20191009/5dc1968986e97efd26beca4655fe0421.jpghttps://uploads.tapatalk-cdn.com/20191009/350883a89da17fa8d059bf182a9aea78.jpg


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    Inside attic ...

    Inside attic
    ...
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    They are kind of in a pit. Customer added round...

    They are kind of in a pit. Customer added round to all the units. Look at the 2 old ones. You will see it. So they wanted them flush to the top of the wall.

    Whenever they replace the other 2,...
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    Did you make sure transformer primary phases are...

    Did you make sure transformer primary phases are the same as motor phases?

    Did you check the split coil to see how dirty it was.

    Both those issues will cause motor issues


    Sent from my...
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    Will post more pics tomorrow once i get some of...

    Will post more pics tomorrow once i get some of the ductwork in place.


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    National zoo. DC Sent from my iPhone using...

    National zoo. DC


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    Gift shop at the National zoo Sent from my...

    Gift shop at the National zoo


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    I think they worry about leaks because they can't...

    I think they worry about leaks because they can't braze properly.

    Or less time because you just throw a tight clamp on it which rips thru the rubatex.


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    And we made the stands for the units to sit on ...

    And we made the stands for the units to sit on


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    2 new split systems

    Ripped out 2 old non working units in bad shape. Installing 2 new 90%ers, coil, and outdoor unit. New flue, drains, refrigerant pipes. Heres a start.
    ...
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    Icm333 with a icm380(pressure transducer) is a...

    Icm333 with a icm380(pressure transducer) is a better option than the 325


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    It varies the voltage. As volts go down, amps...

    It varies the voltage.

    As volts go down, amps will go up.

    The motor needs to be ball bearing. No sleeve bearings.

    It is suggested that the motor have a heatsink for low operating speeds...
  22. Clean the coil with mild dish soap or coil...

    Clean the coil with mild dish soap or coil cleaner. The oils from the factory can make the water fall off.

    Or

    Static is too high causing the water to pull off


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    One way to do it. You could also install a...

    One way to do it.

    You could also install a rawal valve on circuit 1

    Or put in the aprilaire dehumidifier


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    I have no idea what you are trying to say in a...

    I have no idea what you are trying to say in a few of your posts.

    Carry on


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    You didn’t say what code asked for. You said...

    You didn’t say what code asked for.

    You said for it to burn properly.

    Just saying


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    Maybe we have 2 different perspectives on burning...

    Maybe we have 2 different perspectives on burning properly.

    I use the proper tools and test equipment to setup my burners for maximum efficiency and safety


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    All my burners are soot free, burning to maximum...

    All my burners are soot free, burning to maximum efficiency, and pose no threats to human life.


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    The gas burner is after the cooling coil and will...

    The gas burner is after the cooling coil and will cause condensation in the burner. At best, you would need to make sure the heat exchanger is stainless steel and add a 5min post purge for the h/x
    ...
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    Wire nuts on high voltage outside. Just...

    Wire nuts on high voltage outside.

    Just remove the factory whips from the contactor, crimp a oring on the wire and lug it to the contactor.

    If its solid strand, make a nice U bend and lug it...
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    Old 1970 furnace - .5cfm per CF Oil #2 - 24cfm...

    Old 1970 furnace - .5cfm per CF
    Oil #2 - 24cfm per gallon


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    Not a lot [emoji46] Sent from my iPhone...

    Not a lot [emoji46]


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    Common venting mistakes; Vent too big Vent...

    Common venting mistakes;

    Vent too big

    Vent too small

    Improper common venting

    No barometric damper
  33. Good ol’ canatal units. Man i really dislike...

    Good ol’ canatal units. Man i really dislike Climateworx and canatal. Glad u got it fixed. You can download the m52 IOM from their website


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    Not if its leaking at the gasket where it screws...

    Not if its leaking at the gasket where it screws in


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    Micro bluvac Sent from my iPhone using...

    Micro bluvac


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    The core removal tool is shady to use. It is a...

    The core removal tool is shady to use. It is a quick lock fitting. I would relieve the pressure and replace it.

    I prefer cutting them out and replacing with a standard shraider.

    They are used...
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    Add a new one on the tee. Or Close the...

    Add a new one on the tee.

    Or

    Close the valves and transfer the gas to the refrigerant lines and indoor coil side to 10psi and do it on the fly


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    PSC or X13 replacement?

    Is the motor or module bad?

    Usually the transistor goes bad in the module. You can buy a new one for $20 and solder it in place


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  39. Thread: Columbia CT-35

    by gravity
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    Thanks for the update. Good job. I have had this...

    Thanks for the update. Good job. I have had this exact problem before.


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    https://uploads.tapatalk-cdn.com/20190909/af8f6f0c...

    https://uploads.tapatalk-cdn.com/20190909/af8f6f0ccf14b45959b8ec74fdc3149b.jpg


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    Who goes to work for less than 8? [emoji2960] ...

    Who goes to work for less than 8? [emoji2960]


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    Use G for the coil Take L1 from blower relay...

    Use G for the coil

    Take L1 from blower relay on board and land on C. Take NO on relay and wire to AC speed for blower.

    Take heat speed and put on NC on other contact on the relay. Make a...
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    Sounds like it was flooding before u got there...

    Sounds like it was flooding before u got there which doesnt cool the best.

    You strapped the bulb, probably broke it, which let out the charge in the bulb.

    You went back outside and it was in...
  44. Thread: 2 new boilers

    by gravity
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    Lochinvar Knight boiler Sent from my iPhone...

    Lochinvar Knight boiler


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    The union insulators are fast, smart, and do...

    The union insulators are fast, smart, and do excellent work


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    I wasn’t there. Im sure he billed 8 hours ...

    I wasn’t there. Im sure he billed 8 hours


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  47. Thread: 2 new boilers

    by gravity
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    648

    https://uploads.tapatalk-cdn.com/20190907/26f016d4...

    https://uploads.tapatalk-cdn.com/20190907/26f016d4731f616bf82bb21138fdb0ad.jpghttps://uploads.tapatalk-cdn.com/20190907/58d8ced6d0e3f23573a55591b8054404.jpghttps://uploads.tapatalk-cdn.com/20190907/f0...
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    If you have a hard shutoff / non-bleed txv, you...

    If you have a hard shutoff / non-bleed txv, you will notice pressure will pass thru the expansion valve until a certain point and then it will stop flowing.

    (Taken from Bryan Orr - HVAC SCHOOL)
    ...
  49. Thread: 2 new boilers

    by gravity
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    648

    2 new boilers

    Old boilers were hydrotherm condensing. It was a primary loop, return from the system into a tee. The tee fed both boilers. Don’t know how it ever worked right.

    Converted it into...
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    Barely touch fitting with small turbo torch. Flow...

    Barely touch fitting with small turbo torch. Flow staybright. Complete


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