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Type: Posts; User: daviddoughty1

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  1. Replies
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    Sorry for it being long but I just got a service...

    Sorry for it being long but I just got a service truck back...basically empty.
    I had to make a list of bare minimum parts I wanted kept at all times for residential calls.
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    He may have some coils made for center of room...

    He may have some coils made for center of room placement {fans on ends/ coils down both sides}
    If the inside surface of those coils is dirty you have to remove the pan. And you're gonna get messy....
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    Hey, can I copy those coil picker uppers too? ...

    Hey, can I copy those coil picker uppers too?

    Here's a smaller residential truck list, just get multiples for whatever season you are in {heater parts for winter/ ac parts for summer}
    Hot days...
  4. Thread: Boom

    by daviddoughty1
    Replies
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    3,321

    Regardless of how the refrigerant got in it, I...

    Regardless of how the refrigerant got in it, I still think the crankcase heater being disabled would have prevented this , otherwise it would have been just holding liquid or at the most, discharge...
  5. Thread: Boom

    by daviddoughty1
    Replies
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    3,321

    You know, I hadn't thought of that. Good point....

    You know, I hadn't thought of that. Good point. Assuming the discharge valves were in working order and the crankcase was open to them ,your scenario should work. Either way, I would still kill the...
  6. Thread: Boom

    by daviddoughty1
    Replies
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    3,321

    If the valves inside the compressor were good,...

    If the valves inside the compressor were good, they would have isolated the crankcase from the discharge line.
  7. Thread: Boom

    by daviddoughty1
    Replies
    36
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    3,321

    Crankcase heater left energized? No room for...

    Crankcase heater left energized? No room for expansion. If it was just holding liquid at ambient how would it differ from a jug of refrigerant? It looks like crankcase blew apart and I don't think...
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    Most likely you will get a rise in low side...

    Most likely you will get a rise in low side pressure from refrigerant boiling off in your evaporator that way. Depends on what type service valve and what your gauges are reading from.If your gauges...
  9. Sticky: I was lucky, my Dad did refrigeration work so I...

    I was lucky, my Dad did refrigeration work so I was exposed for a very long time before I decided to get in the field too. After working for one employer for a very long time on everything from 1...
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    Thats probably the best way to learn. Now that...

    Thats probably the best way to learn. Now that you've seen those valves it will be easier to "see" what they might be doing by reading the symptoms. Hopefully the guy that you helped change the plate...
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    Oops, didn't realize where I was. Isn't this...

    Oops, didn't realize where I was. Isn't this "tech to tech" ?


    I run the Appions too, very fast, very pleased. Excellent customer service, they stood behind one with a fan problem that kept...
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    I think you two are talking about two different...

    I think you two are talking about two different types of valves.....when he mentioned valves leaking and increasing your pressure, he meant the valves INSIDE your compressor. Pumpdown test your...
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    Be sure to have a "short-able to ground" heating...

    Be sure to have a "short-able to ground" heating element that will draw current even without the sequencer being energized. Half an element heating even in a/c mode will mess with them and they will...
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    It is possible the blower wheels are in backwards...

    It is possible the blower wheels are in backwards too. Check the cup of the blades.
  15. I found a walkin cooler with condensate pump at a...

    I found a walkin cooler with condensate pump at a church camp that was aimed near an exit door....you never knew when it was going to fire up and spray you just took your chances. Consider it...
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    Around here I have seen several left hanging and...

    Around here I have seen several left hanging and the cardboard box left on them to "insulate" the terminals from touching anything....."wow" is usually the nicest thing that's heard when we find one.
  17. People have died under houses due to not having...

    People have died under houses due to not having both grounds. Definitely not worth shortcutting on.
  18. Replies
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    Mostly Honeywells here too.

    Mostly Honeywells here too.
  19. Replies
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    Sometimes a puff of pressure then nothing, will...

    Sometimes a puff of pressure then nothing, will happen when the gas is turned off{residual pressure buildup through an almost closed valve or plug left in by gas company}. When something is kicking...
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    Is that gas flex line passing through the housing?

    Is that gas flex line passing through the housing?
  21. I'm wondering if these flame sensors can...

    I'm wondering if these flame sensors can vibrate/rotate within the ceramic??
    I went on an old york rtu on monday and the flame sensor wasn't even close to the flame.
  22. Replies
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    3,464

    I usually run deli at about 32 which keeps me...

    I usually run deli at about 32 which keeps me between their mandatory 35-41 range as long as they dont pack the shelves to tight.
  23. Replies
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    Did you temp the top shelf high? I would probably...

    Did you temp the top shelf high? I would probably put a logger in the case and inquire as to how he was temping it. If he uses an IR gun they can read bad wrong on shiny deli meat type packaging. If...
  24. Replies
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    I have had some heater vent problems in cases but...

    I have had some heater vent problems in cases but it seems it only affected old cases with missing honeycomb at the top. Island "coffin" cases seem really sensitive to heater air.
  25. Replies
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    This place is stepping up to a walkin, kinda...

    This place is stepping up to a walkin, kinda makes me wonder if they are expecting a boom in business.....
  26. Replies
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    I like the little resetable breakers {lil...

    I like the little resetable breakers {lil poppers} for this type of troubleshooting,after its fixed just slip in a fuse to the spade terminals.
    BTW If you have a mechanical tstat you might want to...
  27. Replies
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    We do quite a few calf coolers around here too,...

    We do quite a few calf coolers around here too, but my strangest is coming up when all the parts arrive...building a walkin cooler in the basement of a funeral home.
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    I've got two protocol systems in one store that...

    I've got two protocol systems in one store that eat 404 regularly. I've searched overhead,in cases, and in trenches as far as i can and the only leaks I've been able to find are 1. liquid level...
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    Just out of curiosity, when the compressors were...

    Just out of curiosity, when the compressors were replaced did they replace oil controls too or reused? Traxoils? I've had some Traxoil controls that wouldn't open their contacts even during red...
  30. Replies
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    Sometimes its easier to use some copper to make a...

    Sometimes its easier to use some copper to make a "scab" and braze a little distance around the hole. If the copper is thin at the hole it will almost always fall away. By using the "scab over"...
  31. You install it you marry it... try to let him...

    You install it you marry it... try to let him know even if you make it work it will self destruct soon and will likely need to be serviced at his expense with every weather change.Just my opinion...
  32. Replies
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    It seems to me the X13 motors are too sensitive...

    It seems to me the X13 motors are too sensitive to dirty electricity. Do you have one of the zebra motor testers? Sometimes we can get just the control module{end cap} and sometimes we have to...
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    Some of those systems in Oklahoma too.

    Some of those systems in Oklahoma too.
  34. Replies
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    Sorry if I didn't communicate well enough earlier...

    Sorry if I didn't communicate well enough earlier , but it sounds like you have had the same experience I did. Were you able to catch them in the act of overheating?
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    I normally won't go into a federal either but at...

    I normally won't go into a federal either but at this point {after they already had their electrician replace the breaker once} my opinion wasn't looking very credible. After rechecking my diagnosis...
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    Hussman Protocol controller

    Does anyone have any idea of where I can find a handheld controller for a '99 model protocol {the old style big white one}. I've left messages at hussman but I guess they're not too interested in...
  37. Replies
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    Correct, the new breaker {new grey breaker #1}...

    Correct, the new breaker {new grey breaker #1} that the homeowner had put in was heating up and breaking down. It was brand new but defective. I bought one{new grey breaker #2} from a different...
  38. Replies
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    I agree, seems like they,ve gone from never trip...

    I agree, seems like they,ve gone from never trip to trip for no reason.
  39. Replies
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    3,763

    Another new breaker from a different supply...

    Another new breaker from a different supply house. Zero voltage drop out of it and no more callbacks. After I autopsied the breaker it looked like either bad contacts inside or weak spring. I think...
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    I had almost identical symptoms last year,...

    I had almost identical symptoms last year, owner's electrician replaced breaker with one of the grey replacements for FPE and a few days later it did it again. I camped out on it and found after...
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    I would probably watch the the breaker with an...

    I would probably watch the the breaker with an amp clamp and an IR thermometer just to help rule out the breaker/bus bar area. Especially if its FPE....
  42. Thread: why

    by daviddoughty1
    Replies
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    1,679

    One possibility if it's in an unfinished...

    One possibility if it's in an unfinished basement...If the safety switch is set low enough to kill the unit before it reaches the drain outlet 1/4"-1/2",it might alert an otherwise oblivious owner...
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    One possibility... I believe that with most...

    One possibility...
    I believe that with most mixes the ice crystals get bigger with extended freeze times. These larger /courser crystals may just be too much for the blades.Try pulling your product...
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