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  1. Replies
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    I carry several sets of seal bolts for Hoshi...

    I carry several sets of seal bolts for Hoshi flakers. They are a one time use. Once you compress the blue leak-lock/sealing stuff you can't reuse them. And when I clean them I always pull the auger...
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    There was a time, when I was doing supermarket...

    There was a time, when I was doing supermarket full time that the valves come pre-set to 8-10*f. You can only check superheat when the case or walk-in is at or near set temperature. The valve has to...
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    985

    43 is the head size. There is also a 53, which is...

    43 is the head size. There is also a 53, which is a bigger valve. The KT stands for kit, or replacement power head. The letter is the type of refrigerant: V is 22, R is 502/404a, S is 404a and F for...
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    ZP power head means low temp, pressure limiting....

    ZP power head means low temp, pressure limiting. So a Sporlan TXV R404a low temp, pressure limiting replacement power head would read. KT-43-SZP.


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    985

    There's a what..? Oh, you've got to elaborate...

    There's a what..? Oh, you've got to elaborate when you find out.


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    985

    Why are you getting numerous freeze-ups with...

    Why are you getting numerous freeze-ups with electric defrost? I've installed beer caves which run 28-32, with +0 evaps with electric defrost and don't have a freezing problem. They're basically low...
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    ^x2. But keep it clean, be a clean freak!...

    ^x2. But keep it clean, be a clean freak! Religiously! Every 3-6 based on your water. Did I mention you want to keep your Flaker clean and descaled?


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    Hoshi one beep

    That's been my experience. Night time water migration. Just had one recently: Did the same, asked them to shut the valves every evening before closing. It's been over a week with no alarm. Told them...
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    790

    Ice, I had a KM900-MAF that the plates flapped in...

    Ice, I had a KM900-MAF that the plates flapped in the wind and yet the damn thing never tripped the freeze backup timer or defrost alarms. Now, it ran ice at 50min + and harvest at 5.5 but it...
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    790

    Then you have separation and poor heat transfer....

    Then you have separation and poor heat transfer. Either replace it or condemn it.


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    790

    Ummscott, have you removed the spray guides (the...

    Ummscott, have you removed the spray guides (the little cups attached to the top of the evap plates)? You can see if you have full plate separation. I've had the guides holding the plates in place...
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    Okay, I'll bite. What is your low side pressure?...

    Okay, I'll bite. What is your low side pressure?


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  13. Replies
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    Okay, again, the normal way of cleaning a Flaker...

    Okay, again, the normal way of cleaning a Flaker is mixing up a solution of scale-away(hoshi cleaner) iaw the cleaning directions on the machine. Shutting off the water, draining the water sump and...
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    713

    Coworker knows enough to be dangerous

    If you follow the cleaning directions of a Hoshizaki Flaker, you do make ice with the cleaning solution. I've seen cracks in the bottom housing, but never in the stainless steel evaporator, but that...
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    Have you tried a ozone machine? I have several...

    Have you tried a ozone machine? I have several bars and they're just as bad. Added an ozone machine to a Hoshi KM-900 and it's extended my cleaning periodicity to quarterly where I had been cleaning...
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    My God, they really like their crimpers! I'll...

    My God, they really like their crimpers! I'll keep butchering them, thank you very much.


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    I've asked that question every time I butcher a...

    I've asked that question every time I butcher a flag connector.


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  18. Replies
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    But isn't that exactly why head pressure rises...

    But isn't that exactly why head pressure rises when air and nons are introduced into a system? Doesn't the effective heat transfer area reduce because of the trapped air in the condenser? Or do you...
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    Then why do purge units hook up to the condenser...

    Then why do purge units hook up to the condenser to remove air and non-condensables? Why do cooling towers have taps to purge non condensables from the high side discharge piping? Why does the...
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    My understanding is: that since it is...

    My understanding is: that since it is non-condensable that it stays in the condenser, reducing the internal area for condensing, thus driving head pressure up. It does the same thing that...
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    The trick to that is keeping the liquid from...

    The trick to that is keeping the liquid from boiling and agitating the air&nons. You have to charge slowly and what we use to do is place the tank in a plastic milk carton crate with a garbage bag...
  22. Great question and my concern, as well.

    Great question and my concern, as well.
  23. I meant isolated from the rest of the system. Do...

    I meant isolated from the rest of the system. Do you find oil logging in the accumulator, not in this particular case but in general? Also, how do you put the cap tube back together?

    Does oil...
  24. Are you completely removing the evap from the...

    Are you completely removing the evap from the system to pressure test it? If so, why? Can't you just pressurize the whole thing and then leak check? Are you just trying to eliminate major components...
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    489

    3 phase help?

    All I can tell you is there are a lot of older buildings down here that have 240v 3-phase both Wye and Delta. And the legs are 120v to ground. I always check whether the store is Wye or Delta so that...
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    3 phase help?

    Wye can be either 240 or 208. 240v 3 phase is usually found in older areas and buildings. We have it a lot down here in Louisiana. Wye, whether 240 or 208 is always 120 to ground and 240/208 across...
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    Walk in cooler questions.

    Except RLA is the rated amperage. You can have higher amperage based on suction and discharge pressure and still be okay, based on why the pressures are higher. If you know the compressor manufacture...
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    Probably includes compressor, condenser fan, and...

    Probably includes compressor, condenser fan, and evap fans. Total amperage of all refrigeration components. Something to remember, the compressor motor uses the returning vapor as coolant. If you're...
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    It's better suited for the professional section....

    It's better suited for the professional section. Is this an evap/condensing unit combo inserted into the top of a small W/I cooler box? Well, compressor RLA and FLA are the same thing so you're...
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    W/I coolers are designed for the product they are...

    W/I coolers are designed for the product they are holding. Some beer coolers are maintained at a +10* evap and are really LT systems with electric defrost. Most produce W/I coolers are a +25-30* evap...
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    Well, I think you have posed this question in the...

    Well, I think you have posed this question in the wrong forum. The problem with being in this forum is that any answer could be construed as DIY and that's against the site rules. However, at the...
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    There is nothing more fun than doing PMS on a...

    There is nothing more fun than doing PMS on a bank (10-12) of daiquiri machines, I always check brix with a refractometer and product temperature with a thermometer before drawing a little in a...
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    Hmm, screw seems like it might be a bit too long....

    Hmm, screw seems like it might be a bit too long.


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    Back when I was a young MM2(SS) I rebuilt a...

    Back when I was a young MM2(SS) I rebuilt a Carrier 5H120 on my first Submarine. Complete rebuild, all new jugs, the whole nine yards. Was a lot of fun. Ran a 10' standpipe out of the Stern Room...
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    So, use the 3/1 as a troubleshooting tool to...

    So, use the 3/1 as a troubleshooting tool to determine if start components have failed? That plus a DMM would do the same as having an Annie. If I reverse the start/run leads and momentary bump the...
  36. Replies
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    That's what the UEI and the A-12 will do. This is...

    That's what the UEI and the A-12 will do. This is forward thinking as opposed to a problem at the moment. And for the record I always ohm, amp, voltage, and check the start cap before calling the...
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    From the picture it's hard to tell.

    From the picture it's hard to tell.
  38. Replies
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    eBay has an Annie A-12 for $65, think I'm going...

    eBay has an Annie A-12 for $65, think I'm going to get it. Kamersoutdoor, do you have your instructions still?


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  39. Replies
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    Compressor Analyzer

    Maybe I'm not, but other than testing the cap and verifying LRA, I'm not sure what else I should have been doing. As I understand it, there is no test for a start relay, so what else should I be...
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    More common in small appliances? I haven't seen...

    More common in small appliances? I haven't seen any DC compressors in the self-contained equipment at all. I'm looking to see if it's worth the investment to counter a compressor replacement on a...
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    Thanks wptski! Does the analyzer work as...

    Thanks wptski! Does the analyzer work as advertised?


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  42. Replies
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    Compressor Analyzer

    I do a lot of small unit repair: coolers, reach-ins, sandwich preps, etc. I've run into my fair share of 'clicking' compressors. Now, it's pretty easy to test the cap, but the relay is a big mystery....
  43. No, I agree, it would expensive, with shipping...

    No, I agree, it would expensive, with shipping and such to go through Ritchie. I figured to try the hardware stores. I'm pretty sure it's 1/8" Male NPT, and I'm going to compare it against the...
  44. Ritchie Yellowjacket 78055 gas pressure test kit

    I picked up one for $5.00 at a yard sale but it's missing the barb fitting. I know it's 1/8" pipe but does anyone know the tubing barb size? Something less than 3/8" I think. Is it the same as their...
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    Timebuilder, if I was not already married I would...

    Timebuilder, if I was not already married I would marry you. Or at least raise a beer in your honor. These are my feelings, exactly. It's all about control.
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    Yes that's similiar to what I use. Although I...

    Yes that's similiar to what I use. Although I can't take credit for the setup I use now. Mark Beiser showed a picture of his and I liked it better then my setup. Although my Micron is not as fancy as...
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    Check for tripped limits?

    Check for tripped limits?
  48. I am sooo confused!! This is like the second...

    I am sooo confused!!

    This is like the second or third post in the last few days where the HO did his own load calc. Did any of your quotes include a Manual J load calculation?
  49. Thread: Lost Tools

    by r22coolguy
    Replies
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    3,406

    I'm of the opinion that tool lostage is related...

    I'm of the opinion that tool lostage is related to age, or atleast it is for me. From 1998 to 2004 or 38 to 44 I lost one pair of channel locks, but actually found them 3 monthes later. I had left...
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    RoBoTeq, I couldn't have said it better. Just...

    RoBoTeq,
    I couldn't have said it better. Just installed my first GMV95 with an SSX16. That is one sweet unit! Quiet, had the house from 50* to at temp quick and just purred along maintaining temp,...
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