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    I spend most of my time on commercial roofs as...

    I spend most of my time on commercial roofs as well and while doing pmís most discrepancies get noted and I move on. But this was at a local baseball coachís home and donít want any reason for...
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    Thanks for all your help guys, I live by my own...

    Thanks for all your help guys, I live by my own motto that if Iím not learning something everyday Iíve wasted the day. I strive for knowledge everyday and generally live up to that everyday. Keeps...
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    You are exactly right on all points there. I am...

    You are exactly right on all points there. I am sort of a perfectionist but more so just want to make sure no one can come behind me and point the finger at me for something.

    From reading on this...
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    I put the freeze stat on and havenít been back....

    I put the freeze stat on and havenít been back. They got tired of me being there so I figured Iíd give them a break as long as their house was keeping temp and he said it is. But in my mind I know...
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    Ahh, I misunderstood. It was said earlier with .6...

    Ahh, I misunderstood. It was said earlier with .6 static Iím slightly below design minimum airflow ( donít recall actual number) so 81 more cfm may just be enough to make the difference. Like you...
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    Well that explains a lot. Iíve been told before...

    Well that explains a lot. Iíve been told before tap 5 for high but wanted to check motor and verify tap speeds and it said 3. That would make a lot of sense if it is keeping the blower on delay for...
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    Sticky: Poll: Iím pretty sure weíre in agreement. Although I...

    Iím pretty sure weíre in agreement. Although I havenít had the pleasure of having such understanding customers in difficult situations to have too much good to say on the matter. Iím still fairly...
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    Sticky: Poll: I donít concern myself with what others do...

    I donít concern myself with what others do directly. Just find it easier to stay away from those types of jobs because in my experience the person hiring a hack doesnít care to spend the money to...
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    Sticky: Poll: Same thing happens here although NC requires a...

    Same thing happens here although NC requires a license to purchase they will sell it under someone elseís license. On the other hand I live close to SC border and anyone with epa cars can purchase...
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    Sticky: Poll: Good to hear, and I havenít heard a negative...

    Good to hear, and I havenít heard a negative thing about them yet and I am looking forward to the chance to install one. I have a new Rheem system on my house or I would just get one for myself. May...
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    Sticky: Poll: I guess I spoke too harshly on my dislike for...

    I guess I spoke too harshly on my dislike for Goodman. I will still work on a customers unit no matter the brand, I just wonít handle any Goodman warranty claims. Itís a supply house issue for me and...
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    Sticky: Poll: How are you liking Bosch equipment? Iím still...

    How are you liking Bosch equipment? Iím still waiting for the supply houses in my area to start stocking these units. I also will not install or deal with Goodman in any way.
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    Ok I trust your math, itís doing minimum airflow...

    Ok I trust your math, itís doing minimum airflow but still at design airflow. Shouldnít make coil a block of ice at design minimum.

    I put it on high myself and itís actually tap 3 on this...
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    Iíve done plenty of that too! Howíd you know what...

    Iíve done plenty of that too! Howíd you know what I as gonna try next?? You reading my brain or something?

    Iíve had to do a lot of questionable things to systems by direction of the company I...
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    I could see that, and yes my options there are...

    I could see that, and yes my options there are zero.

    Iíve dealt with freezing coils and dirty condensers, and equipment not properly maintained and mismatched before and this is the worst...
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    I have been working on it in the afternoons when...

    I have been working on it in the afternoons when house is hot and outdoor ambient temps are falling. I have spent lots of time watching it run already. Checked every vent and return in the house...
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    It wasnít exact, it was actually 10.1 on...

    It wasnít exact, it was actually 10.1 on Fieldpiece Sman 460. I donít know how to post pic so I just copied numbers. Hope yíall arenít holding .1 degree against me
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    I agree about the basement being so cold, I know...

    I agree about the basement being so cold, I know basements stay consistently 65 degrees and add a little mechanical cooling and it goes down quickly. I grew up with a basement. However I donít think...
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    FEM4X6000BL4E

    FEM4X6000BL4E
  20. Replies
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    Haha, got a good supply house guy that wants this...

    Haha, got a good supply house guy that wants this resolved as much as I do. Not paid for one yet.

    Sorry this thread has gone long but I feel like there are a lot of variables that Iíve tried to...
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    There are three supplies in drop ceiling and one...

    There are three supplies in drop ceiling and one is disconnected. They are commercial style that donít close. Itís stays cool down there even when air isnít running.
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    Ahh, was overthinking it. Good idea. Is 65 cold...

    Ahh, was overthinking it. Good idea. Is 65 cold enough when house gets to 70?

    What about cold basement air coming straight into return? Should I block it off permanently and couldnít that make a...
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    Return air stat wired in series? How would this...

    Return air stat wired in series? How would this help me and why. Never heard of it.

    They say they never move tstat below 70, usually stays set to 72. They keep their bedroom doors closed, two...
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    For what itís worth, my evap TD was closer to...

    For what itís worth, my evap TD was closer to 30-35 than 40-41. Air temp in return wasnít the same as the temp on main level of home where tstat is.

    So Iím planning to see if it cools their house...
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    I see your point there. I canít be sure whatís...

    I see your point there. I canít be sure whatís happening once I leave. They did tell me it never reached temp but they donít have a clue whatís going on or what to listen/watch for.

    I did set fan...
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    I rechecked those numbers yesterday with a dry...

    I rechecked those numbers yesterday with a dry coil(been off all day). They are the same numbers I was seeing when I had it running previous days and they told me the next day it was frozen up.

    I...
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    If buddy situation was joe blow customer how...

    If buddy situation was joe blow customer how would you thinking change?

    They are both 5 tons, how would I tell if itís oversized?
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    I agree mismatched equipment is a bad idea. I...

    I agree mismatched equipment is a bad idea. I didnít start this process and homeowner wasnít going to replace a 1 yr old condenser and I donít deal with Goodman dealer. Next time Iíll just say change...
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    It is a buddy situation but not, heís paying but...

    It is a buddy situation but not, heís paying but I didnít charge him much because it was supposed to be straightforward and very easy. Iím not charging him anymore for the other hours and things Iíve...
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    No dehum or humidifier in system. I know itís...

    No dehum or humidifier in system.

    I know itís opposite in theory to block off return air to raise coil temp but like you said this situation warranted the necessity to block off the cold air....
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    I had it blocked off to raise coil temp, I...

    I had it blocked off to raise coil temp, I measured return air temp and determined air wasnít warm enough to get enough load on evap coil. That 68 degree return air temp was measured before I blocked...
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    Rambles appreciated, Iím at a loss as to the...

    Rambles appreciated, Iím at a loss as to the cause at this point.

    I measured TESP this afternoon zeroed my manometer and measured again with same outcome.

    Well return air temp is lower than...
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    I have seen that happen on dirty evap coils.

    I have seen that happen on dirty evap coils.
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    Ok your saying valve looks to be sized correctly....

    Ok your saying valve looks to be sized correctly. I was wondering how valve could cause freeze up with all my numbers look to represent an accurate charge but yet it still freezes?
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    Sorry I typed it wrong, it should be 82.6 LLT

    Sorry I typed it wrong, it should be 82.6 LLT
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    After I posted specifics of charge and static...

    After I posted specifics of charge and static pressure does anyone have anything to add?

    Also, does anyone know of a reference to check txv valves part number and size as the second opinion said...
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    Yes sir it would cause a freeze up if blower...

    Yes sir it would cause a freeze up if blower wasnít running. Did you read the whole thread? I replaced tstat and wire because I had voltage on yellow wire constantly causing condenser to run with...
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    Rechecked charge tonight with unit thawed and no...

    Rechecked charge tonight with unit thawed and no ice.
    Suction press=115.8
    Discharge press=287.1
    LLT=92.6
    SLT=54.1
    SC=10.1
    SH=15.4
    Ssat=38.7
    Lsat=92.6
    Oddb=80
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    TESP for this unit is .6 in w.c.. I put freeze...

    TESP for this unit is .6 in w.c.. I put freeze stat on to get them through the weekend. Guy at supply house swears up and down he gave me the right size txv
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    I guess no one has heard of a chart that lists...

    I guess no one has heard of a chart that lists txv part numbers and size for ICP TXVs
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    Airflow is so good at every vent in home I didnít...

    Airflow is so good at every vent in home I didnít bother to measure it but I can when I go back
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    Keep in mind this system is existing and freezing...

    Keep in mind this system is existing and freezing wasnít an issue before I arrived.
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    I always consider homeowner an issue in most...

    I always consider homeowner an issue in most circumstances.

    I didnít measure ducts exactly, that was an estimation, there is a lot of ductwork in the ceiling in the basement. I can measure when I...
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    Ductboard trunk 24x12 with flex runs to boots....

    Ductboard trunk 24x12 with flex runs to boots. Two ductboard return coming from upstairs down either side of unit to large box air handler sits on
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    Can anyone tell me EA number for 5 ton txv and...

    Can anyone tell me EA number for 5 ton txv and 2.5 ton txv? ICP danfoss valve
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    Sounds like a restriction in system?

    Sounds like a restriction in system?
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    Haha, Iíve been through the inexperience and...

    Haha, Iíve been through the inexperience and ďchanging partsĒ mentality. Luckily Iím past that. Iíll never say I know everything or act like it, I learn something new everyday. Donít feel Iím yet to...
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    Is there a chart that lists txv model numbers and...

    Is there a chart that lists txv model numbers and the sizes for reference? ICP equipment
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    In summary: Txv stuck and not metering...

    In summary:

    Txv stuck and not metering properly was my fault I didnít catch that. Changed txv, got charge pretty well spot on and still froze up, but took two days this time. Went back and found...
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    Yes sir and this system has issues that fall into...

    Yes sir and this system has issues that fall into those categories but there are also a lot of issues inside those categories that can be the actual issue and that therin lies the problems Iíve been...
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