The discipline assigned to a connector determines its properties.
The following tables show the different connector parameters, by property group, for each discipline and a brief description of their functionality.
To change instance properties, select the element and change its properties on the Properties palette.
| Electrical | |
| Constraints | |
| Edge loop centered | Connector placement method (read only). |
| Graphics | |
| Size on screen | Size of the connector display inside the Family Editor. |
| Electrical - Loads | |
| True Load Phase 3 | Calculated based on (Apparent Load Phase 3) x (Power Factor). |
| True Load Phase 2 | Calculated based on (Apparent Load Phase 2) x (Power Factor). |
| True Load Phase 1 | Calculated based on (Apparent Load Phase 1) x (Power Factor). |
| Power Factor | Percentage of power attributed to this connector. Active only when Power is specified as System Type. |
| Apparent Load Phase 3 | Calculated based on (Voltage) x (Current - Phase 3). Active only when Balanced Load is False and System Type is Power, and Number of Poles >2. |
| Apparent Load Phase 2 | Calculated based on (Voltage) x (Current - Phase 2). Active only when Balanced Load is False and System Type is Power, and Number of Poles >1. |
| Apparent Load Phase 1 | Calculated based on (Voltage) x (Current - Phase 1). Active only when Balanced Load is False and System Type is Power. |
| Apparent Load | Calculated based on (Voltage) x (Current). Active only when Balanced Load is True and System Type is Power. |
| Voltage | The voltage specified on the connector. Active only when the System Type is Power. |
| System Type | Possible values are: Data, Power - Balanced, Power - Unbalanced, Telephone, Security, Fire Alarm, Nurse Call, Controls, Communication. |
| Load Classification | Possible values are: HVAC, Lighting, Power, Other. |
| Power Factor State | Possible values are: Lagging, Leading. |
| Number of Poles | Possible values are: 1, 2, or 3. |
| Identity Data | |
| Index | A unique identifier for a connector in a family (read only). |
| Primary Connector | Possible values are: True or False (read only). A single connector of each discipline is allowed to be primary in each family. The family’s electrical data that displays in a schedule is derived from the primary connector. |
| Connector Description | A description of the connector. |
| Utility | Deprecated parameter used to support Autodesk Exchange file (ADSK). No longer used. |
| Mechanical (HVAC) | |
| Constraints | |
| Edge loop centered | Connector placement method (read only). |
| Angle | Used for adjustable angle families (such as elbows and adjustable tees) to push the angle value into the family from connected components. |
| Graphics | |
| Size on screen | Size of the connector display inside the Family Editor. |
| Mechanical | |
| Flow Factor | Percentage of the system flow attributed to this connector. Active only when the Flow Configuration is System. |
| Loss Coefficient | Active only when the Loss Method is Coefficient. |
| Flow Configuration | Possible values are: Calculated, Preset, System. |
| Flow Direction | Possible values are: In, Out, Bidirectional. |
| System Type | Possible values are: Supply, Return, Exhaust, Other, Undefined. |
| Loss Method | Possible values are: Coefficient from ASHRAE Table, Specific Coefficient, Specific Loss, Not Defined. |
| System Classification | Possible values are: Exhaust Air, Supply Air, Return Air, Global. |
| Mechanical - Airflow | |
| Pressure Drop | Calculated pressure drop based on the calculation method defined in Mechanical Settings. |
| Flow | The amount of air flowing at this connector. |
| Dimensions | |
| Shape | Possible values are: Rectangular or Round. |
| Height | The height of the connector when the Shape is defined to be rectangular. |
| Width | The width of the connector when the Shape is defined to be rectangular. |
| Radius | The radius of the connector when the Shape is defined to be round. |
| Identity Data | |
| Index | A unique identifier for a connector in a family (read only). |
| Primary Connector | Possible values are: True or False (read only). A single connector of each discipline is allowed to be primary in each family. The family’s HVAC data that displays in a schedule is derived from the primary connector. |
| Link Connector Index | The index of the linked connector, -1 if none. (read only). |
| Connector Description | A description of the connector. |
| Utility |
Deprecated parameter used to support Autodesk Exchange file (ADSK). No longer used. |
| Mechanical (Piping) | |
| Constraints | |
| Edge loop centered | Connector placement method (read only). |
| Angle | Used for adjustable angle families (such as elbows and adjustable tees) to push the angle value into the family from connected components. |
| Graphics | |
| Size on screen | Size of the connector display inside the Family Editor. |
| Mechanical | |
| Fixture Units | Active only when the System Type is Sanitary, Domestic Hot Water, or Domestic Cold Water and the Flow Configuration is Fixture Units. |
| K Coefficient | Used for calculating pressure loss. Active only when the Loss Method is K Coefficient. |
| Flow Factor | Percentage of the system flow attributed to this connector. Active only when the Flow Configuration is System. |
| Flow | Volumetric flow rate of fluid through connector. |
| Pressure Drop | Calculated pressure drop based on the calculation method defined in Mechanical Settings. |
| Flow Configuration | Specifies the flow configuration for the pipe connector. Options are Calculated, Preset, or System. |
| Flow Direction | Specifies the direction of flow for a pipe connector. Options are In, Out, or Bidirectional. Bidirectional is active only when the Flow Configuration is Calculated. |
| Loss Method | Specifies the loss method for the pipe connector. Options are Not Defined, K Coefficient, or Specific Loss. |
| Allow Slope Adjustments | Enables slope adjustments for the pipe connector. Refer to the Pipe Connector Tolerance setting in Specify Pipe Settings. |
| System Classification | Possible values are: Hydronic Supply, Hydronic Return, Sanitary, Vent, Domestic Hot Water, Domestic Cold Water, Other, Fire Protection, Wet, Fire Protection Dry, Fire Protection Pre-Action, Fire Protection Other, Fitting, Global. |
| Dimensions | |
| Radius | The nominal radius of the connector. |
| Diameter | The nominal diameter of the connector. |
| Inside Diameter | The inside diameter of the connector. |
| Identity Data | |
| Index | A unique identifier for a connector in a family (read only). |
| Primary Connector | Possible values are: True or False (read only). A single connector of each discipline is allowed to be primary in each family. The family’s piping data that displays in a schedule is derived from the primary connector. |
| Link Connector Index | The index of the linked connector, -1 if none. (read only). |
| Connector Description | Defines the name of the connector used when exporting to the civil engineering application. |
| Utility |
Deprecated parameter used to support Autodesk Exchange file (ADSK). No longer used.. |