G36SupplyAirTemperatureSetpoint
====================================================================

Brief Description
-------------------------------------------------------------------------------
Supply air temperature operation following the guideline 36 recommendations

Detailed Description
-------------------------------------------------------------------------------
Verify that the supply air temperature setpoint of a system follows the guideline 36 recommendations

Index Description
-------------------------------------------------------------------------------
   * Section 5.16.2.2 in ASHRAE Guideline 36-2021

Datapoints Description
-------------------------------------------------------------------------------
   * mode_operation: System operation mode
   * temperature_air_outdoor: Outdoor air temperature
   * temperature_air_supply_max: Maximum supply air temperature setpoint based on requests
   * temperature_air_outdoor_supply_max: Maximum outdoor air temperature for linear SAT reset
   * temperature_air_outdoor_supply_min: Minimum outdoor air temperature for linear SAT reset
   * temperature_air_supply_setpoint_cool_min: Minimum cooling supply air temperature setpoint
   * temperature_air_supply_setpoint_cool_max: Maximum cooling supply air temperature setpoint
   * temperature_air_supply_setpoint: Supply air temperature setpoint

Type Verification Description
-------------------------------------------------------------------------------
Procedure-based

Assertions Type
-------------------------------------------------------------------------------
Pass

Assertions Description
-------------------------------------------------------------------------------
   * if temperature_air_supply_max > temperature_air_supply_setpoint_cool_max

   *     fail

   * end

   * 

   * switch mode_operation

   * case 'cooldown'

   *     t_sa_sp = temperature_air_supply_setpoint_cool_min

   * case 'warmup', 'setback

   *     t_sa_sp = 35 # 95 F

   * case 'occupied', 'setup'

   *     if temperature_air_outdoor <= temperature_air_outdoor_supply_min

   *         t_sa_sp = temperature_air_supply_max

   *     else if temperature_air_outdoor >= temperature_air_outdoor_supply_max

   *         t_sa_sp = temperature_air_supply_setpoint_cool_min

   *     else

   *         t_sa_sp = (temperature_air_outdoor - temperature_air_outdoor_supply_min) * (temperature_air_supply_max - temperature_air_supply_setpoint_cool_min) / (temperature_air_outdoor_supply_min - temperature_air_outdoor_supply_max) + temperature_air_supply_max 

   * # linear interpolation

   *     end

   * end

   * 

   * if abs(t_sa_sp - temperature_air_supply_setpoint) = 0

   *     pass

   * else

   *     fail

   * end