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Carrier reefer question

Discussion in 'Refrigerated Trucking Forum' started by Catrachotrucker, Apr 22, 2020.

  1. Apr 22, 2020 #1
    Catrachotrucker

    Catrachotrucker Light Load Member

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    Apr 15, 2019
    0
    Does anyone know what it means when the cool symbol switches to heat for a couple seconds on a reefer? The temperature is fine at the set point of 23
     
    Catrachotrucker, Apr 22, 2020
    Catrachotrucker, Apr 22, 2020
    #1
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  3. Apr 22, 2020 #2
    I glide 47

    I glide 47 Road Train Member

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    1,523
    Jun 3, 2017
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    Your refer is cycling that's normal ,if it goes to heat for a while it's defrosting, no worries good day mate
     
    I glide 47, Apr 22, 2020
    I glide 47, Apr 22, 2020
    #2
    Trucker61016 Thanks this.
  4. Apr 22, 2020 #3
    supertrucker79

    supertrucker79 Light Load Member

    135
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    Feb 4, 2019
    Pittsburgh, PA
    0
    Moisture condensates inside and freezes up preventing air flow, thus the ability to keep the load cool. So, to prevent that from happening the coils get heated up from time to time to melt the water. Ever run a window ac unit on a super humid day and it stops blowing cool air? Same thing going on there, except with a window unit, you have to turn it off a while or run in fan mode till the ice melts.
     
    supertrucker79, Apr 22, 2020
    supertrucker79, Apr 22, 2020
    #3
    Trucker61016 Thanks this.
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