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  • Reach In Cooler Freezing Up

     fixbear updated 3 days, 4 hours ago 3 Members · 4 Posts
  • Moulder

    June 8, 2021 at 1:15 pm

    Can anyone help me find out why my (True) reach in cooler freeze the stuff inside when the temp control is set to (0) Model #TSSU-48-12-HC?

  • olivero

    June 8, 2021 at 4:26 pm

    Is the thermostat set to setting 0 as in off?

    It could be the thermostat is welded shut and is so always staying on, I’ve seen it before.

    Either that or if you set the thermostat low and it’s still freezing, it’s also a sign the T-stat is bad, I’d just replace the thermostat/

  • fixbear

    June 8, 2021 at 4:31 pm

    First off, tell us what type controller you have, how old of a unit, And what the door gaskets look like.

  • fixbear

    June 9, 2021 at 1:35 pm

    I was hoping Moulder would get back to us on this. These True prep tables have a inherent problem with control. He stated that he set it at “0”, so he must have a mechanical thermostat. If it has been replaced with the wrong one or not bonded to the coil properly it will cause problems. They use a constant cut in temp to facilitate defrost every cycle. And it has to sense the evaporator core temp to do this. And the cut-out will be in the range of 10F to 12F. So that the air coming out will be about 15F to 17F at the bottom of the cycle. If the unit has draws, it becomes more pragmatic. Never saw a Draw unit that wasn’t. Especially if you have a active food inspector that likes to measure product temp.

    Do I believe that his problem is control, YES. But replacing the control is not always the answer. Overloading can also factor in with this problem. I’d like to know if it freezes all the product or just near the evaporator discharge. And if all the evaporator fans are working correctly.

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