The energy reports will show increased energy consumption and the ventilation airflow in the Visualizer will show the ventilation airflow equal to the main supply airflow. If the outdoor temperature is 30 C and the partial pressure of water in the air. The load reports will show increased equipment capacities to accomodate the 100% OA but the airflow rates on the load reports will not show 100% OA with the exception of the Psychrometric report. The outdoor air plenum should be provided with a bottom sloping to the outdoors or provided with a drain to relieve any splashing water that makes its way through the louver. Setting the schedule to Available (100%) causes the ventilation to be 100% of the main supply airflow. This causes the ventilation airflow rate to vary in proportion to the main supply airflow rate. The "Ideal Loads Peak" will show what would have been the needed % OA. It is separator type of low boron filter and can be used for outdoor air conditioner or indoor air conditioner in the environment where boron should be. YORK Solution Outdoor Air Handling Units exceed the capabilities of custom solutions for outdoor environments while providing all the benefits of our. You will see the "Simulation Peak" section show 100% OA and the Entering Coil temperature should equal the Outdoor Air temp. Now when you run the Load Design reports - goto the Design Psychometrics report. In this tab set " Run HVAC Sizing Simulation" = "YES". Then select "Load Design Parameters" tab. In the System-Level Ventilation Overrides section, set the Enable Ventilation Override field to Minimum Outdoor Air fraction of Design Schedule and set the Minimum Outdoor Air fraction Design Schedule to Available (100%).ģ) Go to the "Simulation Settings" tab on the main menu. This causes the main cooling and heating coils to be sized to handle the ventilation load when the ventilation is 100% of the main supply airflow.Ģ) Go to the Outdoor Air Control tab in the properties.
Here set the 100% Outdoor Air in Cooling and 100% Outdoor Air in Heating fields to "yes". Click the properties button and go to the Sizing properties tab. Measure air supply and exhaust and inspect HVAC equipment Investigate the building surroundings and nearby interior spaces Collect sound level measurements Provide an occupant diary to track the concern Contact Contact UW Facilities at 206.685.1411 or submit a service request online. The higher loads will be reflected in the other reports, but not the % OA will not change.Īfter you have selected your system in the Select Systems tab:ġ) Go to the Configure Systems tab. You will only see the proof of 100% OA used in Cooling and Heating in the Psychometric State Points report, but only when the Simulation Peak is turned on. There are a few different inputs that need to be set to ensure the airflow is supplied at 100% OA and so the coil can be sized for that ventilation airflow.
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