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Unitary system & dehumidification

So:

  1. I create my empty AirLoop, and
  2. I added an Outdor Air System,
  3. I choose my Thermal Zones
  4. In the Thermal Zone, I put an humidstat.
  5. The Humidstat has a setpoint, fixed on 50% maximum and 30% minimum (but I try also to change the values : nothing changes)
  6. Add a Air Terminal Single Duct Uncontrolled Diffuser ,
  7. and finally I place my Unitary System near the OAS

The result is: relative humidity 100% sll the time, never under 80%! I don't understand what i did wrong...

C:\fakepath\Untitled.png

Unitary system & dehumidification

So:

  1. I create my empty AirLoop, and
  2. I added an Outdor Air System,
  3. I choose my Thermal Zones
  4. In the Thermal Zone, I put an humidstat.
  5. The Humidstat has a setpoint, fixed on 50% maximum and 30% minimum (but I try also to change the values : nothing changes)
  6. Add a Air Terminal Single Duct Uncontrolled Diffuser ,
  7. and finally I place my Unitary System near the OAS

The result is: relative humidity 100% sll the time, never under 80%! I don't understand what i did wrong...

C:\fakepath\Untitled.png

2015-02-21 Comment Moved from Answer

excuse me, I know that is not an answer, but I do not know another way to enter the screens

setpoint manager thermal zone:humidifing/dehumidifing setpoint manager image description image description image description