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  • Users: tfraz
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  1. tfraz

    Absorption Chiller Life Expectancy?

    I have two Carrier 16JB018 chillers that are currently about 22 years old. The shells of both are in fair condition, although recently problems with each have began to develop. One had generator tubes plugged due to leakage about 12 years ago and recently I have had to plug more for the same...
  2. tfraz

    Are AHU 100% OA Dampers Necessary?

    I have numerous air handlers used for constant volume, 100% outside air(OA) ventilation that contain control dampers at the OA intakes. Virtually all the dampers are seized (in various positions) from lack of maintenance, and need to be replaced. The question has been raised as to whether or...
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