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Type: Posts; User: hem057

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  1. Replies
    17
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    2,093

    fyi

    tried this before, changing something from hp81 to another refrigerant... didn't work, created night mare, had to eventually pull it out and go back to hp81, thought I could get away from buying a...
  2. Replies
    49
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    3,394

    follow

    did you find it?
  3. Thread: taylor 490

    by hem057
    Replies
    1
    Views
    531

    anyone know the cap tube size and length

    anyone know the cap tube size and length
  4. Thread: True love

    by hem057
    Replies
    3
    Views
    741

    True love

    I know we all love true..... lol
    anyway... T49 FZO been looking for the leak last couple of days, should be easy to find being as we loose enough overnight to cause it to run warm, but leak...
  5. Thread: taylor 490

    by hem057
    Replies
    1
    Views
    531

    taylor 490

    working on a taylor soft serve 490, pretty simple machine, with only one compressor and AXV for the barrel, looks like cap tube to the hopper and epr on it, and board cycles the compressor every 5...
  6. Thread: keeprite RGA

    by hem057
    Replies
    1
    Views
    1,654

    keeprite RGA

    working on a small roof top unit, RGA36 Keeprite about 30? years old, found heat exchanger with holes in it, installed new heat exchanger, but having trouble with flame rolling out on the two...
  7. Thread: hussman rack

    by hem057
    Replies
    3
    Views
    652

    hussman rack

    working on a rack with 4 -3DB3075E compressors, removed a head today from one of the units not pumping properly, and noticed on top of the head black like residue, very slight, enough to get fingers...
  8. Thread: taylor 490

    by hem057
    Replies
    2
    Views
    545

    no sensor as per taylor

    no sensor as per taylor
  9. Thread: taylor 490

    by hem057
    Replies
    2
    Views
    545

    taylor 490

    have a taylor 490 yogurt machine, and the upper hopper will not stay cold, talked to tech support and they are telling me that it must be the board, it causes the compressor to run for a few seconds...
  10. Replies
    11
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    2,992

    how did you make out with this unit, high...

    how did you make out with this unit, high pressures are out of wack for sure, is this air cooled, if you changed the drier you may have to add refrigerant to make up for the added space of a larger...
  11. have you checked condenser subcooling, this will...

    have you checked condenser subcooling, this will tell you if you have sufficient charge or not; if there is a restriction, then your discharge will be lower than what we would typically expect to...
  12. Thread: hot gas

    by hem057
    Replies
    7
    Views
    1,115

    great

    thanks for the information, useful as always ice, even though it isn't what i wanted to hear, it is useful non the less, I remember they recommend minimum of 25 - 33% defrosting while balance of...
  13. Thread: hot gas

    by hem057
    Replies
    7
    Views
    1,115

    hot gas

    customer bought a 12 foot 5 door reach in freezer, used to be in super market in a long row of cabinets, and it is hot gas defrost, now in the super market this one case would have been in defrost...
  14. Thread: wiring diagram

    by hem057
    Replies
    1
    Views
    679

    wiring diagram

    does anybody know where i can get a wiring diagram RSW 75GF general freezer
    thanks!
  15. Thread: hot gas defrost

    by hem057
    Replies
    4
    Views
    746

    further to that

    this is hot gas, not cool gas, there is a check valve in the hot gas jut before it t's into the liguid line just before the diffuser so that when it goes into freeze mode the line will not fill with...
  16. Thread: hot gas defrost

    by hem057
    Replies
    4
    Views
    746

    hot gas defrost

    have a three pipe system, last few weeks every once in a while the txv seems to stick, will work ok for days. then cusotmer comes in and cabinet is warm, line is frosted up from distributor on,...
  17. Thread: hot gas defrost

    by hem057
    Replies
    0
    Views
    454

    hot gas defrost

    have a three pipe system, last few weeks every once in a while the txv seems to stick, will work ok for days. then cusotmer comes in and cabinet is warm, line is frosted up from distributor on,...
  18. Thread: bakery

    by hem057
    Replies
    7
    Views
    937

    even after he puts the whole tray into a plastic...

    even after he puts the whole tray into a plastic bag?
    wonder how that can pull humdidty out of product, but maybe not freezing quickly enough? to fast?
    interesting
  19. Thread: bakery

    by hem057
    Replies
    7
    Views
    937

    bakery

    have a customer that has a walk in freezer, and he make these rice cakes, he puts various combos of things in the middle, freezes them and then brings out whole tray to bake, but recently he notices...
  20. Replies
    1
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    1,565

    imperial convection oven

    have a convection oven at swiss chalet in ontario, looks like an Imperial, but can't find a model or serial no anywhere, need a new gas valve, the pilot is lighting fine, but the main valve has 120...
  21. Replies
    1
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    835

    GCS lennox foot print

    where can I find the GCS3 1353 lennox footprint, need to remove this unit and replace...
  22. Replies
    18
    Views
    2,035

    still more

    this machine only has a dump valve, no overflows that are plugged, when it starts the ice making cycle it fills with water, the float sensor (eyes) see that the level of water has risen, and the...
  23. Replies
    18
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    2,035

    once more

    the problem is though that I unplugged it, and since then have installed a new controller, same problem, this new controller has never had the No 7 plug installed so the new one should not be...
  24. Replies
    18
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    2,035

    further to that

    thanks ice, no the water inlet valve is fine, that is what is strange about the machine and why the canadian scotsman distributor tech guy was sure it must be the board, because the float and arm are...
  25. Replies
    18
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    2,035

    update

    the harvest in initiated by the water level:.
    it is not a remote condenser, it is air cooled, fan is not cycling, so the head pressure / temp is staying up; I tried a new controller, but nothing...
  26. Replies
    18
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    2,035

    scottsman CME1056

    have been having an issue for 3 weeks with this machine, evap totally frozen over, hto gas ok, water inlet valve ok, when went to this machine found dump valve broken (hotel maintenance guy?) ordered...
  27. Replies
    13
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    1,310

    yup

    yes yellowirenut- sure is a beauty.... amazing what some guys will do.... gotta wonder what they are thinking.... I knew it was GCS but ? thanks that helped, found it in my lennox book witha that...
  28. Replies
    13
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    1,310

    will this help

    will this help
    73342
  29. Replies
    13
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    1,310

    GCS16?

    GCS16?
  30. Replies
    13
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    1,310

    lennox? which model

    can anyone id this lennox model no.
  31. Replies
    9
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    1,673

    I usually make them (i.e. the doors) have a...

    I usually make them (i.e. the doors) have a welder friend of mine that I use to do the welding, we are pretty busy doing refrig. service work, so will only get into doing hoods/ducting for a very...
  32. Replies
    9
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    1,673

    looking at captive air or westmetals both NFPA 96...

    looking at captive air or westmetals both NFPA 96 and ul approved, I think the wrap is a 3M product, do you have their product name for it
  33. Replies
    9
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    1,673

    exhaust fan instll

    I am looking at installing up blast exhaust fan for new 16 foot stainless hood, renonvation, new hood will be located in other side of building, which has a floor above it, apartment, I have been...
  34. Replies
    1
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    473

    chicago butcher case

    having problems with the hydrolic hinge front glass opening system on these displays with the glass not closing all the way....anyone else run into this...any suggestions
    model CH2440 s/n 030206...
  35. Thread: D5-12LU

    by hem057
    Replies
    2
    Views
    604

    D5-12LU

    these open coolers? capacity per foot 800?
    have D5-8Lu and D512L U to pipe up
    and 2- M3G 8
  36. Thread: hussman rack

    by hem057
    Replies
    10
    Views
    745

    intereting

    I would have thought the discharge sweeping through the seperator would very quickly remove the liquid refrigerant? so just the all compressors having tripped from ? causes this to happen
  37. Thread: hussman rack

    by hem057
    Replies
    10
    Views
    745

    no

    if you mean refrigerant migration due to cold temp, no, because even though this rack was totally down, there are two other rachs in the room and it is always warmer, warmer than outside anyway
  38. Thread: hussman rack

    by hem057
    Replies
    10
    Views
    745

    hussman rack

    had a late call last night, all 4 compressor on rack out on oil failure, seems like oil level in compressor high and diluted with refrig, on start up had to close suction valves to get it running,...
  39. Replies
    14
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    1,408

    interesting

    try an A12-700, wrap the sensing capillary in the evap.... constant cut in of 38?... love them , have used for years and save alot of time and trouble...
    had a montanas,... all new equipment... with...
  40. Replies
    3
    Views
    800

    yes, you're right, more information. there is a...

    yes, you're right, more information. there is a wiring diag for a Hil unit in the control box, for a M-2 D30; this unit has an outdoor condenser, compressor is in a mechanical room, one hot gas...
  41. Replies
    3
    Views
    800

    hot gas defrost help

    I am working on a unit, 3 H.P. copeland semi that is cooling 3- 8 ft display cases, hot gas defrost(three pipe system) and for last couple of weeks it is not defrosting properly, I am assuming that...
  42. Thread: 3DB3

    by hem057
    Replies
    4
    Views
    427

    good point

    yes, changed gaskets, I have a box of 50, I know the suction valves are pretty delicate, so have been changing them regularily, anyway, one of the units had a suction valve broken and a piece was...
  43. Thread: 3DB3

    by hem057
    Replies
    4
    Views
    427

    3DB3

    had a 3db3 discus on a rack today allowing high pressure to flowbackwards through compressor, turned it off and valved it off, then took head off... all ok, put it back, evac and started it up,...
  44. Replies
    2
    Views
    513

    6DY3000 copeland

    have a customer that has a York 30 ton air handler and roof top split system and this condensing unit has a 6DY3000 compressor, unit failed after just less than one year of operation, so property...
  45. Thread: High side leak

    by hem057
    Replies
    13
    Views
    1,410

    0 absolute?

    14.7 is actually 0 gauage, isn't it lol
  46. interesting

    interesting to read all the comments, I have been using 414B for quite some time (used to be 416, used it then too) I have found that 134a caused night mare probems with plugged cap tubes, but 414B...
  47. Thread: faby3

    by hem057
    Replies
    1
    Views
    428

    faby3

    anyone have experience with these slushi units, I have two compartments that have auger on top that are not turning, Looks like gear drive motor problem/ and one unit that is not cooling, I see only...
  48. Replies
    1
    Views
    459

    copleand 6DY3000

    looking for compressor details? copeland site url
    is this partial start, other contractor took all wiring apart... walking in on someone elses mess.....
  49. Thread: rack high head

    by hem057
    Replies
    5
    Views
    527

    is this what you are looking for

    Sporlan DDR

    also has parker A9, A8 on the system to maintain receiver pressure
  50. Thread: rack high head

    by hem057
    Replies
    5
    Views
    527

    rack high head

    working on a hussman rack, 404a, 4 compressors 7.5 hp, freezer, in hot gas defrost the head pressure climbs after 10 min to above 370, check cpc graph and can see problem is constantly reoccuring...
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