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  1. I want to put a little pipe dope on the stem, but...

    I want to put a little pipe dope on the stem, but also want to see it happen again to see what is really going on.
  2. Very interesting, never taught this was even a...

    Very interesting, never taught this was even a possibility. The rack is about 50 HP, about 10 years old, with no excessive vibrations, other than normal rack vibrations. But with the right...
  3. Sporlon Refrigeration Solenoid Stem Moving?

    On a supermarket rack system we had a Sporlon cool gas solenoid (1 line in 1 line out, mounted vertically, coil up) stuck open feeding gas to a circuit of about 20 freezer doors. A co worker ordered...
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    Thank you for your replies.

    Thank you for your replies.
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    Let me reword the last line. I don't think the...

    Let me reword the last line.
    I don't think the installers intended to pipe a trap they just piped it that way to get around the obstacle.
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    Sorry for the confusion, I haven't explained...

    Sorry for the confusion, I haven't explained well enough. The drop leg line (liquid line) comes down the condenser coil to the roof 4', travels along the roof then up 1' (around obstacle) then...
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    Yes. except backwards.

    Yes. except backwards.
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    Drop leg pipping

    On a 60 HP r507 refrigeration rack, The piping from a rooftop condenser to the indoor receiver, does the drop leg have to have a continuous drop to the receiver or can it have a 1' rise then drop...
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    Taylor C602 shake not filling

    :gah:I am working on a Taylor C-602 unit and have a problem where the cup is only filling 1/2 full on the shake side, fills for about 2-3 seconds, well below sensor level. I have already replaced...
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    thanks for the help, sorry I didn't update but it...

    thanks for the help, sorry I didn't update but it was a connector to the back of the board.
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    Thank for the advice. Looks like we'll be eating...

    Thank for the advice. Looks like we'll be eating the compressor and pricing a new condenser unit. (med temp this time)
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    Thank you PVC1984 for the info. Compressor is 3...

    Thank you PVC1984 for the info. Compressor is 3 phase. Sorry for the incomplete info.
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    883

    Low temp compressor in med temp app.

    I was wondering if anyone could help. A coworker ordered a compressor for a walk in cooler TXV r12 1-ton C-charge, 12000 btu evaporator WJ-120-B. The compressor was a direct replacement for the...
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    Sounds weird but whatever works. But I suspect...

    Sounds weird but whatever works. But I suspect the wax will ware out in a couple of months.
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    :cheers:Sounds like you figured it out. Someone...

    :cheers:Sounds like you figured it out. Someone mentioned the grasslin timer. The relays burn up from the compressor load. We've been adding external relays on those true boxes if they don't...
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    I started pushing carts at a large supermarket...

    I started pushing carts at a large supermarket then became the manager, quit, started as 1st step apprentice then became general foreman so I see both sides. These two occupations have completely...
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    I apologize. Never meant any disrespect to any...

    I apologize. Never meant any disrespect to any remanufacturer. In fact I stated most of them have been very helpful. I take every precaution when installing a compressor reman, rebiult or new. ...
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    Have to admit, never used R22 as a flushing agent...

    Have to admit, never used R22 as a flushing agent but I heard this being done before. I can see why compressor manufacturers wouldn't recommend other "chemicals" damaging their compressors. ...
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    Soda machines have removable nozzles which...

    Soda machines have removable nozzles which require daily cleaning by staff. Unfortunately some establishments fail to clean these and they develope a seaweed like growth which is pretty nasty. Ice...
  20. Thread: Revco freezer

    by western
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    391

    Revco freezer

    Working on a revco -80 freezer ult2586. 1st stage restricted. Took off liquid and suction line flushed through with rx11 and nitrogen. Clogged and first then blew threw pretty good. replaced...
  21. Thread: hoshi

    by western
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    2,172

    agree, sounds like plate separation. Get a new...

    agree, sounds like plate separation. Get a new icemaker.
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    I guess for long shutdowns or a start up on a...

    I guess for long shutdowns or a start up on a package unit when the system never got a chance to pump down then by turning on the heater for a day before start up will keep the liquid out of the...
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    Another very important thing is to check the...

    Another very important thing is to check the cleanilest and integrity of the blower wheel. Especially on older units. Bearings, motors, pulleys may be availiable locally but shipping in an oem...
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    Used nylog about 3 years ago to seal a crankcase...

    Used nylog about 3 years ago to seal a crankcase bolt on a military type a/c unit to cool commercial airlines. Haven't leaked yet. But also used it for a suction transducer at a supermarket and it...
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    Just used it today to flush out stainless steel...

    Just used it today to flush out stainless steel (non acr) lines (Rx11). I agree you have to have some kind of restriction on the back end to biuld up pressure. I also wonder how well it does on some...
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    I agree cc heaters are a good way to keep liquid...

    I agree cc heaters are a good way to keep liquid out of the compressor on startup. If the pump down system is set up right then there shouldn't be liquid in the cc either. I'm trying to think of a...
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    I've grease bearings every 3-6 months depending...

    I've grease bearings every 3-6 months depending upon environment about 1-2 squirts. I usually check for any play in the bearing and use a laser to check for any gain in heat. Obviously any noise...
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    Good Idea

    Good Idea
  29. 70F, ALOHA!

    70F, ALOHA!
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    Never used the product. I find it impractical in...

    Never used the product. I find it impractical in most units we service. Right now the only time I'm compelled to use it is in small 20 year old refers (1/4-1/3 hp) at mom and pops with 10-20...
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    Thanks those hoses look like exactly what i need.

    Thanks those hoses look like exactly what i need.
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    icemaker on a boat

    Installing icemaker for a 36' fishing boat. Condensing unit located in the engine compartment (water cooled) and head section located on the top deck. Also installing cold plates in the fish box...
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    Tif ZX-1 (discontinued) had a 25 year warranty...

    Tif ZX-1 (discontinued) had a 25 year warranty the ZX is three years.
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    I always though fieldpiece was more hvac freindly...

    I always though fieldpiece was more hvac freindly and cheaper. We work on all kinds of equipment from resturaunt, supermarket, industrial, chillers etc.. I actually use my $140uei on "everyday"...
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    I have the YG accuprobe, Dtek select, and tif zx...

    I have the YG accuprobe, Dtek select, and tif zx in my van right now. The YG and Dtek pretty much just collects dust. The zx is byfar the best of my three especially at the supermarket. But, I...
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    Union? 23 retired by 53.

    Union? 23 retired by 53.
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    thanks that pretty much answered my question.

    thanks that pretty much answered my question.
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    I agree, but I'm not the boss. I just install...

    I agree, but I'm not the boss. I just install whats ordered. Most rebiult compressors we get has no pressure in them which is a bad sign from the start. The rebuilders are actually very helpful...
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    thanks for the help, rotation is ok, no external...

    thanks for the help, rotation is ok, no external filter. I think it is some sort of clearance problem also. I will look into the oil pump clearance but already change the pump, or is it not part of...
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    Thanks for the help, the stat no. is...

    Thanks for the help, the stat no. is X39641111-01A. It has terminals 7,8,9,10,11,12,14,S1,S2,A1,A2,A3. I think the humidity sensor is wired to the rtu at 18 and 19 at the NLTB but I'm not sure...
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    rebiult compressor problems

    Ive been having problems with rebiult compressors. I have tried 4 different rebiulders with some better than others. The latest problem is compressors (Carlyle 5h open drive) with low oil...
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    Trane RTU wiring

    I'm wiring a trane 10 ton rtu with a programmable zone sensor(four arrows and a button) and a remote relative humidty/temperature sensor combo. Programmable zone sensor mounted in the managers...
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    Thank's, I'll check it and post an update

    Thank's, I'll check it and post an update
  44. Replies
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    frymaster hot hi failure

    I'm working on a frymaster deep fryer at a mcdonald's. I have been having intermittent hot hi and probe failure problems. I watch the temperature show very erratic readings intermittenly then work...
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