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    Possible, getting older the hearing is not as...

    Possible, getting older the hearing is not as good, even put the hose in my ear to ensure I could here my flow small amount just moving the gauge low side
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    changing a 3 ton TXV

    Keeping the TXV wet with rags(cut small and wrapped) nitrogen flowing thru the TXV, unsoldered the old put the new one in. All of the sudden one spot on the back of the TXV didn't take, here is my...
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    changing out a 7.5 ton TXV

    Well it was the first time changing out a soldered TXV on Carrier unit and I had some kind of issues with unsweating the old one. Using a Turbo Torch #32 head I thought big enough) couldn't get the...
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    Copeland Compressor Info

    A little while ago I was trying to find out the wiring internally of a copeland compressor but to no evail, that's not important the compressor on the small walk-In freezer had open windings and was...
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    Thank-you both...Semper Fi

    Thank-you both...Semper Fi
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    Ductboard Tools

    Could one of you guys give me a refresher briefing on the ductboard tools. Such as the Shiplaps left and right in there applications.I'm getting the FG Series Malco tools but just never did that much...
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    Copeland Compressor Wiring ?

    Could someone give me acess to an internal wiring diagram on a Copeland Compressor Model # LAHA-0310-TAC800/ 208-230V 3 phase. My question is trying to see how the Internal Protectors and Overload...
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    As I stated earlier the Suction Temp six inches...

    As I stated earlier the Suction Temp six inches or so from the compressor was 70 degrees at 30 lbs Sat Temp. The temp at the discharge line of the compressor was 230 degrees. There was around 23...
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    Thank-you Mr Plain Spoken and Mr R422A for a...

    Thank-you Mr Plain Spoken and Mr R422A for a confirmation. I guess I know what lies ahead. Any tricks of the trade suggestions in changing out a reversing valve? Again thank-you both..
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    Carrier Heat Pump Info/Educucation

    There is a loud whistling noise in the outdoor unit near what seems to be coming from the Reversing Valve. I'm hoping to get some info from Heat Pump Techs at this site. My Ambient Temp outside to...
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    2,100

    A while ago I had a trane split sysem 10 ton that...

    A while ago I had a trane split sysem 10 ton that drove me nuts with a relay humming. After a period of time of which I don't want to confess as to how long and what it took from me I figured at that...
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    Check your Superheat at the Evaporator, what type...

    Check your Superheat at the Evaporator, what type of Low Ambient Control for the Compressor? Make sure you have adequate ref in the system for low ambient operation.
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    http://www.sporlan.com/SD-134.pdf ...

    http://www.sporlan.com/SD-134.pdf Check this out it has the answer I think your looking for.
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    Thank-you Sir the Dupont site is what I neded...

    Thank-you Sir the Dupont site is what I neded...
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    7,735

    I assure you Sir I checked and rechecked the...

    I assure you Sir I checked and rechecked the superheat temps and it drove me nuts. Now I will also tell you what I recently found out. The Compressor is rated at 11,100 BTU's low temp at -25 degrees....
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    3,716

    Refrigerant Receiver Sizing Info?

    I have a Copeland Condensing Unit the nameplate info is gone. There is a number on the receiver LR 38666 is that possibly 38 lbs? It has a stamp on it Shelby Manufacturing on it. Any info please.
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    Let me say thank-you for the input. I posted on...

    Let me say thank-you for the input. I posted on Pro Forum topic Explain This. But here is update for those interested. Yesterdy the ambient temp was 30 degrees. I checked Superheat at both Evaps and...
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    R404A Walk-In Freezer

    Thank-you Mr.Fixit and I agree with that due to when charging in an attempt to increase my condensing temp I disconnected the condenser fan and almost immediately my liquid line temp started to rise...
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    R404A Walk-In Freezer

    Let me first say thank-you for the responses. Now the sight glass is full and upon reading the info about condensing temp which trying to get the system to a 105 degree condensing temp which would be...
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    Walk-In Freezer R404A

    Started Charging a R404A Walk-In Freezer, ambient temp was 30 degrees. HS 155 PSIG< LS 11PSIG. I've read where this website talks about condensing Temp of Ref must be at 105 degrees when doing low...
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    ASHRAE can give you a start.

    ASHRAE can give you a start.
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    A lot of men say that they are not afraid to say...

    A lot of men say that they are not afraid to say it but listen to us talk and you will see what I mean when I say don't be afraid to say "Ya know I'm not sure about that" but let me find out. ...
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    I believe Penn makes a cooler/freezer that is...

    I believe Penn makes a cooler/freezer that is decent.
  24. Thanks for the info, this ole guy just wanted to...

    Thanks for the info, this ole guy just wanted to make sure I'm on the right track and not afraid to ask no matter how simple you think the question is...
  25. I'm working on a 404A walk in freezer, my...

    I'm working on a 404A walk in freezer, my question is do the ref techs out there when doing a large scale charge in excess of 30 lbs, liquid charge thru suction line slow or just move to close...
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    You are correct that if head pressure goes up so...

    You are correct that if head pressure goes up so will the suction pressure, but you will not know what the superheat is of the refrigerant until you take the temp using a thermometer on the outlet...
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    Block the condenser to simulate 95 degree amb...

    Block the condenser to simulate 95 degree amb temp then check superheat and temp off evap. Maybe amp draw to on comp.
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    What is the temp drop accross the coil? SA vs Ra...

    What is the temp drop accross the coil? SA vs Ra Temp?
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    What was the ambient temp? More important what...

    What was the ambient temp? More important what was the subcooling of the unit? TXV correct? (How much liquid in the condenser?)
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    I entered the search and found what you guys are...

    I entered the search and found what you guys are saying that the liquid line is actually the inlet to the evap due to the metering device being in the condenser. It does surprise me though that the...
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    Please lend assistance where do I look in the...

    Please lend assistance where do I look in the other sites for the info? The unit had the filter/drier in the original installation. Never paid attention to liquid line temp? Maybe it sweat the hole...
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    I recently moved a 9000BTU Sanyo from one office...

    I recently moved a 9000BTU Sanyo from one office to another. I front seated the liquid line valve moving all the ref into the cond(running the compressor) and then closed the suction valve on the...
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    As long as it is sized correctly, opposite end...

    As long as it is sized correctly, opposite end location should work.
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    Upright freezer if my memory serves me correct...

    Upright freezer if my memory serves me correct means it also has a defrost(self defroster) cycle. Every time you open the door on the upright freezer you lose a lot of cooling as compared to a chest...
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    I have had a couple of walk-In freezers that...

    I have had a couple of walk-In freezers that would work ok most of the time temp wise but after awhile ice build up on evaporator(near TXV and spreading). Winter time not to much problem, sight glass...
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    Check the temp drop accross the coil. Then check...

    Check the temp drop accross the coil. Then check the subcooling to make sure you have enough ref in the system. Not just by the sight glass.
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