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Type: Posts; User: zuke19

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  1. Replies
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    boiler with indirect tank heater issues

    Got a ny thermal trinity boiler with a 35 gal indirect water heater, been in for 2 years, now the hot water is running out after 20 min, the heater has a copper coil that goes inside the tank. I...
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    1,174

    near impossible to replace since it is under the...

    near impossible to replace since it is under the counter and welded in as part of the entire cabinetry, would have to slice the stainless steel and try to put new one in
    i really want to get this...
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    1,174

    the pressure was put in on the hi side of like...

    the pressure was put in on the hi side of like 150 psi, low side stayed at 5 and moved ever so slightly in 5 min of trying to equalize
    inside the box has ice on 1/2 of the box, top half, but not...
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    1,174

    approx 16 x 30x 36 hi no cpr valve

    approx 16 x 30x 36 hi
    no cpr valve
  5. Replies
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    1,174

    how would i know if i have the right valve, i got...

    how would i know if i have the right valve, i got the r-12 balanced port internally equalized 1/4 ton valve, smallest one they had
    i could dlial the expansion valve in and drop that suction pressure...
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    1,174

    didn't take it right at the bulb due to...

    didn't take it right at the bulb due to difficulty getting back there, took it about 2 ft after evap entering compressor and was 46 but added slight charge, dropped it to 10, than left it
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    suction press is 20, and than dropped to 17 as...

    suction press is 20, and than dropped to 17 as temp came down, it is a cold wall freezer where there is no fan in play, i have had trouble replacing cap tubes with the new refrigerants and didn't...
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    grow house humidity issues

    I have been doing a lot of ac work for grow houses, every now and than I have ran into humidity issues when the lights are off. The humidity is good when the lights are on and the ac is running, and...
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    1,174

    old ice cream freezer not temping

    I have a client with an old ice cream freezer with a cap tube, I found it clogged up in the condenser with dirt, grease. Cleaned all of that and started it up, suction pressure at like 5 psi with box...
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    405

    engineered drawing

    I have a client that wants me to install a hvac system for a warehouse that will be several music rooms for bands to rehearse in. I started to design it, and did the design, but the city is requiring...
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    32
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    1,355

    Fill valve working fine, stops at 12 psi cold...

    Fill valve working fine, stops at 12 psi cold fill, shut valve off after prv, still does popping
  12. Replies
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    1,355

    I thought that is why u do primary/secondary...

    I thought that is why u do primary/secondary piping to make sure you have enough flow coming back to boiler, if that isn't, than why do u need to do it
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    1,355

    Tank, prv are new Have to go back to get input...

    Tank, prv are new
    Have to go back to get input and tank size, only does it when boiler heats up, water will get down to 70 or so when off, client keeps house at 55, what s best way to size exp tank,...
  14. Replies
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    1,355

    Have a burn ham, no indirect water heater, 150k...

    Have a burn ham, no indirect water heater, 150k on the boiler, pressure gauge on boiler works, it is popping at 30
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    857

    i know thats why I struggled but it was a bad...

    i know thats why I struggled but it was a bad valve, there is no pressure switch, it is all natural draft it is so old
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    857

    jumped it from the 4 and 5 terminal keeping the...

    jumped it from the 4 and 5 terminal keeping the coil in, rep told me how to do it, I had no idea I could do that
  17. Replies
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    1,355

    I don't know how much water it holds, how can i...

    I don't know how much water it holds, how can i tell, the expansion tank is brand new.
    I just thought the boiler was too big and it needs more water to get thru the boiler, and there is not enough...
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    1,355

    pressure reducing valve is working fine,...

    pressure reducing valve is working fine, expansion tank on the supply side, forgot to tell you that i had replaced the prv and all that, expansion tank is big enough, took out the one that goes in...
  19. Replies
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    857

    its the gas valve holding coil that is jacked up,...

    its the gas valve holding coil that is jacked up, I powered the coil all the time, and it works now
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    1,355

    Boiler giving me pressure issues

    I am working on an old boiler that keeps rising up to 30 psi before it hits 180 deg and pops the relief valve, I had to repipe the system, put a new expansion tank, and spirovent in the system last...
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    857

    3 wire pilot system starting back and forth

    I have a customer with an old bryant 307 with a 3 wire pilot, the pilot valve lights, than shuts off sometimes within seconds, other times in about 20 secs, when it shuts off, it comes back on...
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    541

    Wanted-a junk combustion analyzer

    I need a combustion analyzer that is junk, as I need one to turn in for a promotion on a new one to my distributor.
    Let me know if I can buy anyone's junk one, does not have to work or anything, not...
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    669

    It freezes up quickly, when u pressurize with...

    It freezes up quickly, when u pressurize with nitrogen, the sides equalize way too slow when putting it I on hi side
    Never used 66 before, have 401 before
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    568

    Don't think I have ever seen a z layout or a z...

    Don't think I have ever seen a z layout or a z boot and what is acoustically lined
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    669

    old under counter freezer

    I have an old under counter freezer giving me an issue. It is an R-12 system cap tube, 40 years old, built under the counter, you cannot get to the evap, it is a box and the cap tube disappears when...
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    568

    ideas please to trap the sound

    Ok got a good one for you all: I have a music warehouse where several bands play in different rooms. The owner wants to condition all the rooms and meet the city requirements for ventilation. He does...
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    followed the cap tube size according to supco...

    followed the cap tube size according to supco chart for length and temperature, after having 3 pds in it, the suction went to 19 but i feel that is alot, going to call victory next
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    428

    Old victory 3 door cooler charge

    Have a 3 door victory cooler with cap tube, old hallmark unit and no model number
    3/4 hp unit, have no idea the charge, does anybody remember this old unit that can provide insight, pressure is 11...
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    1,667

    this thing is still working fine today, wanted...

    this thing is still working fine today, wanted someone to tell me if they ever have had that happen, the amp draw made no sense on the compressor, but since i replaced the relay, surprisingly it is...
  30. Thread: Manufacturer

    by zuke19
    Replies
    3
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    433

    Manufacturer

    Who manufactures model cg8oubo75d12a
    Have client who has bad circuit board on furnace, wondering if this York maybe
  31. Replies
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    This happened even after I changed out the evap...

    This happened even after I changed out the evap coil, it was falling apart, got box down to 43 and left, to call 2 hr later and box at 60, checked unit and found 3 amps on compressor and 17 on low...
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    1,667

    I am not sure either but I know it was not in...

    I am not sure either but I know it was not in pump down, system is cooling fine now, just wanted some clarification and box was not holding, it was 60 and amp draw of compressor was 3, changed relay...
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    That's how I found it running, at 17 and 195...

    That's how I found it running, at 17 and 195 actually, shut it off, tried to restart and still did the same, coil not frozen, liquid line hot, put new potential relay in and it has been working every...
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    1,667

    Compressor running low amps

    Walkin cooler, r-22 running at 17 and 220, amp draw down to 3.2 from 7.1, superheat hi at 47, measured 208 at common and run
    300 at common and start
    366 at common and run, thought that Potential...
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    no it doesn't have a suction to liquid heat...

    no it doesn't have a suction to liquid heat exchanger and lineset is approx 20 ft
  36. Replies
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    2,474

    I am not so worried about the ice as I am the...

    I am not so worried about the ice as I am the coil temp being that cold when the box temp is that warm, changed the tev yesterday because when I put the bulb in my hand the pressures, nothing...
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    i know, thats why I said it is basically the same...

    i know, thats why I said it is basically the same at the coil and compressor, maybe a degree or 2 more of superheat at the compressor
  38. Replies
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    2,474

    those might be a degree or two off, i have a -4.7...

    those might be a degree or two off, i have a -4.7 deg suction line at bulb with a -19 coil
    so I am not getting suction line superheat, I am staying basically the same going into compressor, I can...
  39. Replies
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    2,474

    here are the new numbers, 20 deg at the bulb, 16...

    here are the new numbers, 20 deg at the bulb, 16 at the compressor superheat, -19 coil temp, 20 deg box
    suction drier has been replaced as well, why am I getting 16 at the compressor and 20 at the...
  40. Replies
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    2,474

    it is not frosting, it ices first to the suction...

    it is not frosting, it ices first to the suction drier and than later on the rest of the way, I know I am not flooding if I have 30, but I want to know why I am icing hard all the way back and the...
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    2,474

    freezer icing half of compressor

    I still have an ongoing problem with a r-404 walk-in freezer, it is icing the whole suction line and suction side of the compressor, the superheat at compressor is 30, the evap superheat is like 20,...
  42. it is an emerson climate controller, and p2 means...

    it is an emerson climate controller, and p2 means condenser probe, it has one wire hooked to the high temp switch, no others and p3 means dlt probe, please help asap, it is 8 pm out here and the...
  43. help with electronic contoller for condensing unit

    I am putting in a condensing unit for a freezer, it has an electronic unit controller on it, it is flashing p2 and p3 at start up and the compressor signal light is on, there is no condenser probe or...
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    one more thing, if the unit does not have enough...

    one more thing, if the unit does not have enough fresh air around it, the heat will not move from that area and you need to put a floor fan on top to blow it away from the condenser, I have also put...
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    find out how much the reciever holds, recover the...

    find out how much the reciever holds, recover the gas and weigh in the exact charge at your ambient, your supplier can give you the charge amount on the receiver at a certain ambient and type of...
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    they don't teach these kids anything nowadays, I...

    they don't teach these kids anything nowadays, I gave these kids a 25 question essay test on various things and the so called a students answered 5 or 6 right, some left most of them blank, and...
  47. Thread: Cap tube

    by zuke19
    Replies
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    842

    that is alot, did it have a receiver

    that is alot, did it have a receiver
  48. Replies
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    did u actually power wash with chemical the coil...

    did u actually power wash with chemical the coil or did you co2 it because I just got caught blowing one out and found after I washed it, I dropped 100 more psi and blew the heck out of it before...
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    pulls down nicely everytime, suction drier has 6...

    pulls down nicely everytime, suction drier has 6 deg difference across it, ices up to the beginning of drier and than ices the rest of the way later, changing both driers first and making sure coil...
  50. Thread: Cap tube

    by zuke19
    Replies
    7
    Views
    842

    did u read that right, I had 100 plus, I got rid...

    did u read that right, I had 100 plus, I got rid of the cap tube and went to txv, problem solved, they should take those cap tubes and shove them up u know where
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