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Display case lighting. LED retrofit doing weird things to the temp

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    • #488842
      hvacmafia
      Keymaster

      Customer has 4 reach-in display cases. Did an LED retrofit on the lights last month (different contractor). Now two of the four cases run 4-6°F warmer than spec. The other two are fine.

      Shouldn’t LED produce LESS heat than the old fluorescent ballasts did?

      Anyone seen this? Wondering if the ballast failure or wiring change actually broke something else.

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