Should a unit defrost with on 35 Continuous!

Discussion in 'Refrigerated Trucking Forum' started by xlsdraw, Aug 17, 2018.

  1. Aug 17, 2018 #1
    xlsdraw

    xlsdraw Road Train Member

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    Should a unit even do a defrost when set on 35* Continuous? After defrost, it was at 44* and Cut off. Switched it off and back on. Went green and ran for a couple minutes but wouldn't cool, then it shut down again. Headed to Carrier now. Primary question is should even a proper working unit even need to defrost with a 35* setting?
     
    xlsdraw, Aug 17, 2018
    xlsdraw, Aug 17, 2018
    #1
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  3. Aug 17, 2018 #2
    STexan

    STexan Road Train Member

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    Most units defrost every 6-8 hours regardless [on a schedule] whether it thinks it needs to or not. This timed defrost schedule is set by admin.

    But it sounds like yours has some other issues going on.
     
    STexan, Aug 17, 2018
    STexan, Aug 17, 2018
    #2
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  4. Aug 17, 2018 #3
    reeferwrencher

    reeferwrencher Medium Load Member

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    Yes because the evaporator(cooling) coil is much colder than 35 and will become blocked with ice if it isn't defrosted.
     
    reeferwrencher, Aug 17, 2018
    reeferwrencher, Aug 17, 2018
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  5. Aug 29, 2018 #4
    GreenPete359

    GreenPete359 Road Train Member

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    Yes. When hauling flowers we set them at 36 and they defrosted all the time in the summer
     
    GreenPete359, Aug 29, 2018
    GreenPete359, Aug 29, 2018
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  7. Sep 1, 2018 #5
    ebill45

    ebill45 Light Load Member

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    Yes in this heat of course. If the temp outside is higher than in the box it needs to be doing a defrost cycle
     
    ebill45, Sep 1, 2018
    ebill45, Sep 1, 2018
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