lib/openstudio-standards/standards/necb/NECB2011/nv.md in openstudio-standards-0.2.14 vs lib/openstudio-standards/standards/necb/NECB2011/nv.md in openstudio-standards-0.2.15.pre.rc1

- old
+ new

@@ -4,12 +4,12 @@ ## Description The workflow of this measure is as follows: * Ask for users' inputs for below arguments: * nv_type: whether to add NV to a building model or not * nv_opening_fraction: what is the opening fraction of windows (this value is used to calculate the opening area of windows for NV) - * nv_Tout_min: As per E+ I/O Reference, "minimum outdoor temperature is the outdoor temperature (in Celsius) below which ventilation is shut off. This lower temperature limit is intended to avoid overcooling a space, which could result in a heating load." - * nv_Delta_Tin_Tout: As per E+ I/O Reference, "Delta temperature is the temperature difference (in Celsius) between the indoor and outdoor air dry-bulb temperatures below which ventilation is shutoff." + * nv_temp_out_min: As per E+ I/O Reference, "minimum outdoor temperature is the outdoor temperature (in Celsius) below which ventilation is shut off. This lower temperature limit is intended to avoid overcooling a space, which could result in a heating load." + * nv_delta_temp_in_out: As per E+ I/O Reference, "Delta temperature is the temperature difference (in Celsius) between the indoor and outdoor air dry-bulb temperatures below which ventilation is shutoff." * Loop through **ZoneHVACEquipmentLists**. * Get which thermal zone is served by each of the "ZoneHVACEquipmentLists" objects. * Get heating/cooling setpoint temperature schedules for the thermal zone from the osm file. * Create an adjustment of heating/cooling setpoint temperature schedules. (Note that these schedules are used in the "ZoneVentilation:DesignFlowRate" and "ZoneVentilation:WindandStackOpenArea" objects) @@ -34,10 +34,10 @@ to avoid complexity of finding the NPL of a building. Hence, this measure excludes stack-driven NV. * It uses a built-in object called **AvailabilityManager:HybridVentilation** in EnergyPlus to avoid simultaneous NV and HVAC system operation. * Note that **Ventilation Control Mode Schedule Name** was set by default. Hence, the integer value in the schedule is set to 1 (i.e. temperature control). - * Note that users' input for nv_Tout_min is used for the fields of "Minimum Outdoor Temperature". + * Note that users' input for nv_temp_out_min is used for the fields of "Minimum Outdoor Temperature". * As per E+ I/O Reference, "Minimum Outdoor Temperature is the outdoor temperature (in Celsius) below which hybrid ventilation is shut off when the ventilation control mode = 1 (Temperature). This lower temperature limit is intended to avoid overcooling a space, which could result in a heating load." * Note that the "Maximum Outdoor Temperature" has been set to 30C. (there is no temperature schedule unlike the ZoneVentilation:DesignFlowRate and ZoneVentilation:WindandStackOpenArea objects) * As per E+ I/O Reference, "Maximum Outdoor Temperature is the outdoor temperature (in Celsius) above which hybrid ventilation is shut off when the ventilation control mode = 1 (Temperature). This upper temperature limit is intended to avoid overheating a space, which could result in a cooling load." * It considers the Fanger thermal comfort model (rather than the ASHRAE 55's adaptive thermal comfort model). In other words, this measure sets min/max indoor air temperature as fixed values (on the basis of heating/cooling setpoint temperature) regardless of outdoor conditions. \ No newline at end of file