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  1. Replies
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    No kink in the lines (package unit). Piston. It...

    No kink in the lines (package unit). Piston. It was a warm day. Just checking the heat prior to the cold weather. Blower is good. I had cover off watching it the whole time. I've changed the...
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    579

    heat pump issues

    Unit runs fine in cooling mode, but shuts down on high pressure in heat pump mode.
    The unit has been running fine all summer. Pressures are normal in cooling mode.
    No one has messed with the charge...
  3. Thread: Puzzled

    by tonydykes55
    Replies
    22
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    1,308

    just called her back and told her not to touch it...

    just called her back and told her not to touch it before I got there - but it is blowing cold again already - this is what I'm dealing with. might not do it again for a week. I don't think she's...
  4. Thread: Puzzled

    by tonydykes55
    Replies
    22
    Views
    1,308

    Sat 9a.m. Just got the call. headed back out...

    Sat 9a.m. Just got the call. headed back out shortly. heating up inside. condenser fan is running. ?? I'll let you all know what I found. but I can tell you when I get there all will be normal - as...
  5. Thread: Puzzled

    by tonydykes55
    Replies
    22
    Views
    1,308

    Not a heat pump. I don't know who put these...

    Not a heat pump. I don't know who put these systems in. From the ones I've serviced this past summer, this is the only 410A condenser. All the other mobile homes have very old units, but they are...
  6. Thread: Puzzled

    by tonydykes55
    Replies
    22
    Views
    1,308

    This is a new customer. He has several mobile...

    This is a new customer. He has several mobile homes on his land - down a dead end road. He's a new customer - owns a large daycare in town.
    I've worked on three or four of these mobile home units...
  7. Replies
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    353

    Had a long day, just got in. I have a different...

    Had a long day, just got in. I have a different compressor coming. Embraco FF12HBX. R12/134a. It has a valve with 3/8 suction. It will bolt right up.
    The box has been down a few weeks. I figure a...
  8. Replies
    8
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    353

    not yet. I haven't done anything yet.

    not yet. I haven't done anything yet.
  9. Thread: Puzzled

    by tonydykes55
    Replies
    22
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    1,308

    I didn't write down any figures. Weighed in the...

    I didn't write down any figures. Weighed in the charge. Pressures 115 and 310. 10* SH. SC ?
    I feel dumb because I haven't look close at the AH. Good air flow. Didn't see a need to look at it up to...
  10. Replies
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    Display Cooler

    model SC-CDS32E-6 serial 92-46114-12 R12 refrigerant. McCray Refrigeration Co.
    this has a copleland JRE1-0033-IAA compressor that's bad. It has a 3/8 suction and 1/4 discharge line.
    My...
  11. Thread: Puzzled

    by tonydykes55
    Replies
    22
    Views
    1,308

    Puzzled

    Was called out on a 4 ton split system - compressor shutting down about the same time every day. Tennant cuts it off for a while and it works fine till the next afternoon. Next day, I was there...
  12. Replies
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    mismatched coils

    I have a customer who sent me a text tonight - he said that he replaced his three ton condenser with a 4 ton (I assume he still has a 3 ton air handler) - he was told he would have colder air. He...
  13. Replies
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    Ok. Are you saying that the reason some...

    Ok. Are you saying that the reason some compressors have horsepower ratings rather than BTU (tonnage) ratings is because one compressor, say CRN-5 can have different BTU ratings - depending on the...
  14. Replies
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    393

    Horsepower / BTU's

    I don't understand why some compressors are rated in tons/BTU's and others (freezers, coolers, etc) are rated in horsepower.
    Is there a difference in the compressors themselves?
  15. Thread: insulation

    by tonydykes55
    Replies
    2
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    275

    insulation

    I'm relocating some supply ducts - they are between studs - in the wall cavity. Since they will be encased between studs and sheetrock, will they need insulation. The ones I'm replacing did not have...
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    206

    heil quaker

    Can anyone help me determine the size of this unit.
    I think it's a 2 ton. The house is 1000 sq.ft.
    Heil Quaker condenser model CU325AOD1C.
    Compressor nameplate - model SRC4-0020-??
  17. Thread: pump down

    by tonydykes55
    Replies
    20
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    1,281

    thanks, this has been very educational.

    thanks, this has been very educational.
  18. Thread: pump down

    by tonydykes55
    Replies
    20
    Views
    1,281

    I understand. So then, in an typical residential...

    I understand. So then, in an typical residential split system for example, would I be correct in thinking that since the indoor ambient is typically 68 -74 degress, for example, there is not as much...
  19. Thread: pump down

    by tonydykes55
    Replies
    20
    Views
    1,281

    I see. When you say "flood back from the...

    I see. When you say "flood back from the evaporator", are you saying that without a LL solenoid, in the off cycle, as a system equalizes, liquid from the condenser migrates to the evap? And then...
  20. Thread: pump down

    by tonydykes55
    Replies
    20
    Views
    1,281

    pump down

    Why does freezers use a LL solenoid / pump down to kill the compressor
    via a low pressure switch rather than simply put the t-stat in series with the coil ?
    I know there is a logical reason.
  21. Replies
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    312

    freezer vs cooler controls

    What specifically is different in a freezer and cooler controls?
    Is it mostly in the charge / pressures?
    Defrost circuit?
    TXV?
  22. Replies
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    People are fanning themselves, because they are...

    People are fanning themselves, because they are hot in the summer months.

    Since there are many live performances, there is a heavy lighting load on the stage - Many lights. Some vendors
    bring...
  23. Replies
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    530

    I will have to measure return grates, they are...

    I will have to measure return grates, they are appx. 2 1/2 to 3 ft. wide X 3 1/2 to 4 ft. tall. (not sure ???)
    Could be 2' X 3' ??? I will let you know.
    I don't think there is any make up air....
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    This theater has shows via a pull down screen....

    This theater has shows via a pull down screen. However it has a large stage - mostly live performances. No supply air on the stage. Maybe he (the owner) made a mistake by blocking off the high...
  25. Replies
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    530

    Supplemental Heat in Theater

    I have a customer who owns a very old theater with 2 - 30 ton rooftops. Old units. Historic building.
    Massive return air plenums - Air Handlers in the attic - one on each side of the stage....
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