G36MinOAwoEconomizer
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Brief Description
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G36 minimum outdoor air control when economizer is in lockout

Index Description
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   * Section 5.16 in Guideline 36-2021

Datapoints Description
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   * temperature_air_outdoor: Outdoor air temperature
   * temperature_air_economizer_limit: Economizer lockout temperature limit
   * position_damper_air_outdoor: Outdoor air damper position
   * position_damper_air_return: Return air damper position
   * flow_volumetric_air_outdoor: Outdoor air volume flow
   * flow_volumetric_air_outdoor_setpoint_min: Minimum outdoor air volume flow setpoint
   * mode_system: System operation mode

Assertions Description
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   * if economizer_lockout(temperature_air_outdoor, temperature_air_economizer_limit) and mode_system == 'occupied':

   *   if flow_volumetric_air_outdoor < flow_volumetric_air_outdoor_setpoint_min (continuously (e.g. fall below the sp for a consecutive 1 hr)):

   *     if position_damper_air_outdoor == 100 and position_damper_air_return == 0:

   *       pass

   *     else:

   *       fail

   *   elif flow_volumetric_air_outdoor > flow_volumetric_air_outdoor_setpoint_min (continuously):

   *     if position_damper_air_outdoor == 0 and position_damper_air_return == 100:

   *       pass

   *     else:

   *       fail

   *   else:

   *     pass (essentially untested yet)

   * else: 

   *   untested

Type Verification Description
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Rule-based

Assertions Type
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Pass