Question about Pitco Frialator SG14 Deep Fryer

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Head Banger Has anyone heard of a fryer's Hi-Limit actually tripping when at temp, 350ish, a large amount of frozen product (fish in this case) gets dumped into the vat rapidly bringing the temp below a normal low temp.? I have heard of this problem years ago, but can't remember under what circumstances. Would the condition of the oil new vs old black have a part in this problem? Pitco PG14SS

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  • jcroadrunner Jan 15, 2008

    bigg t thanks for replying. This problem only happened last week when the cook was overloading the basket with frozen fish patties. Since then it has been working flawlessly.

    3 other techs in our shop heard of this problem before at various points in their careers. As it was explained to me, and I still don't "buy it" 100%, it has to do with the overloaded amount of frozen product being introduced to the oil so quickly. The bottom oil drops faster than it is expected to , the top oil remained alot hotter than the bottom. it also had something to do with the heat the burners put out continually heating (over heating) the hot top oil, tripping the hi limit. Unfortunately this information is coming to me 3rd or 4th person.

  • jcroadrunner Jan 17, 2008

    Bigg t,

    I tahnk you for your help. If I ever here the final word on this fryer (and I should) I'll let you know.



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I havent heard of this but these suggestions may help you.the hi-limit is preset at the flash point of oil (depending on the oil) around 500-525 degrees.if the hi-limit is tripping out either the thermostat is out of calberation,the hilimit itself is bad or the hilimit/thermostat bulb arent secured to their respective bracket.if you have a meter or thermocouple tester to test the actual heat of the oil (or a half decent themometer).set the temp dial to 200 degrees,once the burners go out put the thermometer/meter into the oil.the temps should match 20 degrees over/under is acceptable.if not the t-stat is bad.if this is ok goto the hi-limit and jump it out,there should be 2 wires take them off and connect them directly.set the dial to 350,wait until the burners shut off and test the temp of the oil again.if it matches your hilimit is bad.let me careful when you do this because if the t-stat is bad the oil may ignite.if you see a lot of smoke cut it off.let me know.

Posted on Jan 12, 2008

  • anthony james
    anthony james Jan 16, 2008

    man,i dont buy that either.the temp is the same throughout the oil,heat rises and thats why the t-stat and hi-limit bulb are secured higher in the vat.ive talked to a couple of techs (20-25) yrs experence i myself 8 yrs and never heard of that issue/response.the other thing id suggest is that the gas valve may be sticking or the baffles in the heat exchangers are broken or clogged,possibly bad/dirty wire connections to the hi-limit.if i serviced this call and seen it for myself the t-stat would be checked and i would replace the hi-limit.let me know as im curious also.



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Hi there
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