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Type: Posts; User: coldmark

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  1. Replies
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    forgot to mention this unit was opening its...

    forgot to mention this unit was opening its internal pr due to blocked condenser coil couple months ago. Cleaned coil, back into service. TXV showed no control or adjustment so I replaced it, fixed...
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    915

    High side in upper 300's, superheat in the...

    High side in upper 300's, superheat in the sixties, no cooling. I did not leave it running, heads that high scare me. Couldn't a pressure limiting valve do better than 60 degrees superheat?
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    915

    new valve is a fse-1-zp. dunno fla of compressor,...

    new valve is a fse-1-zp. dunno fla of compressor, rla of condensing unit is 12.6 My issue is very very high superheat and evap frosting equally on all distributor lines only, coil is only sweating a...
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    915

    condenser coil way clean, pumped it down to...

    condenser coil way clean, pumped it down to replace txv. Pulled down okay, to 1.5 psi but even with liquid service valve closed tight, low side climbed to 8 psi by the time I got off the top of walk...
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    915

    Bad compressor valves or something else?

    No cooling in walk in freezer. One and a half horsepower 404a, comp mdl awa2460zxd. Suction in the fifties. Head upper 300's, subcool near 5, superheat in sixties. New TXV adjusted wide open....
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    Scary means I'm wrong, I guess. Actually I have...

    Scary means I'm wrong, I guess. Actually I have never seen a start capacitor with a mf value under a hundred so you are absolutly correct i am sorry for the bad info its a dual run.
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    1,286

    More capacitance is needed to get motor spinning...

    More capacitance is needed to get motor spinning from a stop, potential relay removes start capacitance and run value remains for operation, thats why they call them dual they have start and run in...
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    Your post does lack info. Why did you check...

    Your post does lack info. Why did you check capacitor in the first place? No fan no compressor? the 35/5 is a start run combo 35 being the start and 5 being the run. If I come across a dual thats bad...
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    427

    Mismatched compressor freezing coil

    Havent seen this system in over a year. Carrier 50pq012, has seen a couple of burn outs till they figured out they had lost a phase. I got this work because no one could figure out why the evap was...
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    1,758

    I have some info on that machine. Manatowik model...

    I have some info on that machine. Manatowik model EY0404A serial 900761118 compressor is RRS40075. New number for that comp. is RRT10KIEPFA959 POE oil 134a the old comp was r12. I don't like the...
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    1,758

    too sophisticated to have any of that stuff, will...

    too sophisticated to have any of that stuff, will get back to you though. Im just guessing 3000 btu/h is a little less capacity than this machine might require.
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    1,758

    damn your good, just checked by candle light...

    damn your good, just checked by candle light rsn4 0050 think it'll work?, just use your telepathy to know whats in the machine now okay?
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    1,758

    no specs yet but won't make a move without them...

    no specs yet but won't make a move without them its old stuff hope info is out there my chiller compo is a copland rsa 0500 i think
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    1,758

    if the chiller weren't in my yard for ten years...

    if the chiller weren't in my yard for ten years and I knew a bar that needed it but given the circumstances ill cannabalize it. its old n after Ill still have the condenser coil and some scrap steel....
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    1,758

    got a low temp glycol chiller r12 sittn in back...

    got a low temp glycol chiller r12 sittn in back yard. Comp. looks the same except for location of suct and disch gonna check tech. spec. told him id sell it for $25 just pay for a professional...
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    1,758

    heatingman that sounds like what im thinking...

    heatingman that sounds like what im thinking superheat was sky high till I added in a little more gas then I could get it down but still no sc. Are you saying with a hot gas leak no matter how...
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    1,758

    I feel like a hack cause I am posting without...

    I feel like a hack cause I am posting without equip. data. Ice sensor is the bridge thickness type where water runs over hindged sensor and initiates harvest. I forgot to mention this machine its in...
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    well saw that oil before when it had a faulty...

    well saw that oil before when it had a faulty spdt power switch. I haven't seen many leaks without the telltale oil so we think alike icemeister but its plenty charged superheat is dangerous low. So...
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    Yep high suction low head cond. fan not cycling...

    Yep high suction low head cond. fan not cycling though. After a long delay when high side heats up n pressurizes enough it will come on seems to stay on didn't stay for a harvest though, owner told...
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    1,758

    socotech is right I should have not added gas...

    socotech is right I should have not added gas without being more thorough. I saw oil on the refrigerant plumbing and looking at the numbers, thought leak, when it couldnt pull down low or pressurise...
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    1,758

    I should have, but did not. That would indicate...

    I should have, but did not. That would indicate an electrical malfunction because it was in the freeze cycle and should not be energized. Pressures were almost equal about 80's on low and 90's on...
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    Controling superheat to check hot gas bypass

    Looking at an ice machine today, very vague i know but, checking sh and sc off the chart so to speak sh about 40-50 subcool negative 40-50. Way udercharge Im thinking so I add bout ten percent of...
  23. What condenser to replace one now missing coil

    Ill try and be brief. I do commercial a/c and refrigeration. Mostly the latter. My family has asked me to take a look fixing two a/c units that were cannabalized, by savages I assume, now missing...
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    coil frosted in middle where 2nd and 3rd...

    coil frosted in middle where 2nd and 3rd distributor lines fed coil. then after adding charge frosted evenly. so i think low on charge and maybe leak check, even though owner says no service calls in...
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    low amp draw can mean low charge but not always...

    low amp draw can mean low charge but not always it just means the compressor is not seeing the vapor density necessary to run at capacity and draw rated power. could be from restriction or low charge...
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