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The problem is that the number of fields in the Energy+.IDD file is not sufficient for the IDF Editor (it is not an issue for EnergyPlus itself). You can edit the Energy+.IDD file manually using a text editor to add fields to what ever object is causing a problem by following the pattern in the IDD. I have been using EnergyPlus 8.3 after upgrading those files. I have a Energy+.idd that fixes that issue with that object that you download here. The prototype building models can be found on energycodes.gov .

The problem is that the number of fields in the Energy+.IDD file is not sufficient for the IDF Editor (it is not an issue for EnergyPlus itself). You can edit the Energy+.IDD file manually using a text editor to add fields to what ever object is causing a problem by following the pattern in the IDD. Make sure you have a comma after each intermediate field and a semicolon only after the last field. I have been using EnergyPlus 8.3 after upgrading those files. I have a Energy+.idd that fixes that issue with that object that you download here. The prototype building models can be found on energycodes.gov .

The problem is that the number of fields in the Energy+.IDD file is not sufficient for the IDF Editor (it is not an issue for EnergyPlus itself). You can edit the Energy+.IDD file manually using a text editor to add fields to what ever object is causing a problem by following the pattern in the IDD. Make sure you have a comma after each intermediate field and a semicolon only after the last field. The original IDD file has the Controller:MechanicalVentilation end with:

   A146,\field Zone 48 Name
        \type object-list
        \object-list ZoneAndZoneListNames
        \note A zone name or a zone list name may be used here
   A147,\field Design Specification Outdoor Air Object Name 48
        \type object-list
        \object-list DesignSpecificationOutdoorAirNames
   A148,\field Design Specification Zone Air Distribution Object Name 48
        \type object-list
        \object-list DesignSpecificationZoneAirDistributionNames
   A149,\field Zone 49 Name
        \type object-list
        \object-list ZoneAndZoneListNames
        \note A zone name or a zone list name may be used here
   A150,\field Design Specification Outdoor Air Object Name 49
        \type object-list
        \object-list DesignSpecificationOutdoorAirNames
   A151,\field Design Specification Zone Air Distribution Object Name 49
        \type object-list
        \object-list DesignSpecificationZoneAirDistributionNames
   A152,\field Zone 50 Name
        \type object-list
        \object-list ZoneAndZoneListNames
        \note A zone name or a zone list name may be used here
   A153,\field Design Specification Outdoor Air Object Name 50
        \type object-list
        \object-list DesignSpecificationOutdoorAirNames
   A154;\field Design Specification Zone Air Distribution Object Name 50

Following this pattern, replace the semicolon on the A154 line with a comma and keep adding fields until you get to 70 fields or so, which would look like:

   A209,\field Zone 69 Name
        \type object-list
        \object-list ZoneAndZoneListNames
        \note A zone name or a zone list name may be used here
   A210,\field Design Specification Outdoor Air Object Name 69
        \type object-list
        \object-list DesignSpecificationOutdoorAirNames
   A211,\field Design Specification Zone Air Distribution Object Name 69
        \type object-list
        \object-list DesignSpecificationZoneAirDistributionNames
   A212,\field Zone 70 Name
        \type object-list
        \object-list ZoneAndZoneListNames
        \note A zone name or a zone list name may be used here
   A213,\field Design Specification Outdoor Air Object Name 70
        \type object-list
        \object-list DesignSpecificationOutdoorAirNames
   A214;\field Design Specification Zone Air Distribution Object Name 70
        \type object-list
        \object-list DesignSpecificationZoneAirDistributionNames

I have been using EnergyPlus 8.3 after upgrading those files. I have a Energy+.idd that fixes that issue with that object that you download here. The prototype building models can be found on energycodes.gov .

The problem is that the number of fields in the Energy+.IDD file is not sufficient for the IDF Editor (it is not an issue for EnergyPlus itself). You can edit the Energy+.IDD file manually using a text editor to add fields to what ever object is causing a problem by following the pattern in the IDD. Make sure you have a comma after each intermediate field and a semicolon only after the last field. The original IDD file has the Controller:MechanicalVentilation end with:

   A146,\field Zone 48 Name
        \type object-list
        \object-list ZoneAndZoneListNames
        \note A zone name or a zone list name may be used here
   A147,\field Design Specification Outdoor Air Object Name 48
        \type object-list
        \object-list DesignSpecificationOutdoorAirNames
   A148,\field Design Specification Zone Air Distribution Object Name 48
        \type object-list
        \object-list DesignSpecificationZoneAirDistributionNames
   A149,\field Zone 49 Name
        \type object-list
        \object-list ZoneAndZoneListNames
        \note A zone name or a zone list name may be used here
   A150,\field Design Specification Outdoor Air Object Name 49
        \type object-list
        \object-list DesignSpecificationOutdoorAirNames
   A151,\field Design Specification Zone Air Distribution Object Name 49
        \type object-list
        \object-list DesignSpecificationZoneAirDistributionNames
   A152,\field Zone 50 Name
        \type object-list
        \object-list ZoneAndZoneListNames
        \note A zone name or a zone list name may be used here
   A153,\field Design Specification Outdoor Air Object Name 50
        \type object-list
        \object-list DesignSpecificationOutdoorAirNames
   A154;\field Design Specification Zone Air Distribution Object Name 50

Following this pattern, replace the semicolon on the A154 line with a comma and keep adding fields until you get to 70 fields or so, which would look like:

   A209,\field Zone 69 Name
        \type object-list
        \object-list ZoneAndZoneListNames
        \note A zone name or a zone list name may be used here
   A210,\field Design Specification Outdoor Air Object Name 69
        \type object-list
        \object-list DesignSpecificationOutdoorAirNames
   A211,\field Design Specification Zone Air Distribution Object Name 69
        \type object-list
        \object-list DesignSpecificationZoneAirDistributionNames
   A212,\field Zone 70 Name
        \type object-list
        \object-list ZoneAndZoneListNames
        \note A zone name or a zone list name may be used here
   A213,\field Design Specification Outdoor Air Object Name 70
        \type object-list
        \object-list DesignSpecificationOutdoorAirNames
   A214;\field Design Specification Zone Air Distribution Object Name 70
        \type object-list
        \object-list DesignSpecificationZoneAirDistributionNames

I have been using EnergyPlus 8.3 after upgrading those files. I have a Energy+.idd that fixes that issue with that object that you download here. The prototype building models can be found on energycodes.gov .

The problem is that the number of fields in the Energy+.IDD file is not sufficient for the IDF Editor (it is not an issue for EnergyPlus itself). You can edit the Energy+.IDD file manually using a text editor to add fields to what ever object is causing a problem by following the pattern in the IDD. Make sure you have a comma after each intermediate field and a semicolon only after the last field. The original IDD file has the Controller:MechanicalVentilation end ends with:

   A146,\field Zone 48 Name
        \type object-list
        \object-list ZoneAndZoneListNames
        \note A zone name or a zone list name may be used here
   A147,\field Design Specification Outdoor Air Object Name 48
        \type object-list
        \object-list DesignSpecificationOutdoorAirNames
   A148,\field Design Specification Zone Air Distribution Object Name 48
        \type object-list
        \object-list DesignSpecificationZoneAirDistributionNames
   A149,\field Zone 49 Name
        \type object-list
        \object-list ZoneAndZoneListNames
        \note A zone name or a zone list name may be used here
   A150,\field Design Specification Outdoor Air Object Name 49
        \type object-list
        \object-list DesignSpecificationOutdoorAirNames
   A151,\field Design Specification Zone Air Distribution Object Name 49
        \type object-list
        \object-list DesignSpecificationZoneAirDistributionNames
   A152,\field Zone 50 Name
        \type object-list
        \object-list ZoneAndZoneListNames
        \note A zone name or a zone list name may be used here
   A153,\field Design Specification Outdoor Air Object Name 50
        \type object-list
        \object-list DesignSpecificationOutdoorAirNames
   A154;\field Design Specification Zone Air Distribution Object Name 50

Following this pattern, replace the semicolon on the A154 line with a comma and keep adding fields until you get to 70 fields or so, which would look like:

   A209,\field Zone 69 Name
        \type object-list
        \object-list ZoneAndZoneListNames
        \note A zone name or a zone list name may be used here
   A210,\field Design Specification Outdoor Air Object Name 69
        \type object-list
        \object-list DesignSpecificationOutdoorAirNames
   A211,\field Design Specification Zone Air Distribution Object Name 69
        \type object-list
        \object-list DesignSpecificationZoneAirDistributionNames
   A212,\field Zone 70 Name
        \type object-list
        \object-list ZoneAndZoneListNames
        \note A zone name or a zone list name may be used here
   A213,\field Design Specification Outdoor Air Object Name 70
        \type object-list
        \object-list DesignSpecificationOutdoorAirNames
   A214;\field Design Specification Zone Air Distribution Object Name 70
        \type object-list
        \object-list DesignSpecificationZoneAirDistributionNames

I have been using EnergyPlus 8.3 after upgrading those files. I have a Energy+.idd that fixes that issue with that object that you can download here. The prototype building models can be found on energycodes.gov .

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