Space HVAC - Add SpaceHVAC:EquipmentConnections

idd/Energy+.idd.in

@@ -50246,6 +50246,39 @@ ZoneHVAC:EquipmentConnections,
        \note inlet flow rate to the zone less the total exhaust node flow rate from the zone.
        \type node
 
+SpaceHVAC:EquipmentConnections,
+       \memo Specifies the HVAC equipment connections for a space. Node names are specified for the
+       \memo space air node, air inlet nodes, air exhaust nodes, and the air return node.
+  A1 , \field Space Name
+       \required-field
+       \type object-list
+       \object-list SpaceNames
+  A2 , \field Space Conditioning Equipment List Name
+       \note currently unused
+       \note Enter the name of a ZoneHVAC:EquipmentList object.
+       \type object-list
+       \object-list ZoneEquipmentLists
+  A3 , \field Space Air Inlet Node or NodeList Name
+       \type node
+  A4 , \field Space Air Exhaust Node or NodeList Name
+       \type node
+  A5 , \field Space Air Node Name
+       \required-field
+       \type node
+  A6 , \field Space Return Air Node or NodeList Name
+       \type node
+  A7 , \field Space Return Air Node 1 Flow Rate Fraction Schedule Name
+       \note This schedule is multiplied times the base return air flow rate.
+       \note If this field is left blank, the schedule defaults to 1.0 at all times.
+       \type object-list
+       \object-list ScheduleNames
+  A8 ; \field Space Return Air Node 1 Flow Rate Basis Node or NodeList Name
+       \note The optional basis node(s) used to calculate the base return air flow
+       \note rate for the first return air node in this zone. The return air flow rate is the sum of the flow rates
+       \note at the basis node(s) multiplied by the Zone Return Air Flow Rate Fraction Schedule.
+       \note If this  field is blank, then the base return air flow rate is the total supply
+       \note inlet flow rate to the zone less the total exhaust node flow rate from the zone.
+       \type node
 
 \group Fans
 !*****************AIR LOOP COMPONENTS*********************

src/EnergyPlus/DataHeatBalance.hh

@@ -455,6 +455,7 @@ namespace DataHeatBalance {
         int SystemZoneNodeNumber = 0;                   // This is the zone or space node number for the system for a controlled zone
         Real64 FloorArea = 0.0;                         // Floor area used for this space
         Real64 TotOccupants = 0.0;                      // total design occupancy (sum of NumberOfPeople for the space People objects, not multiplied)
+        bool IsControlled = false;                      // True when this is a controlled zone or space.
     };
 
     struct SpaceData : ZoneSpaceData
@@ -597,7 +598,6 @@ namespace DataHeatBalance {
         Real64 ExteriorTotalGroundSurfArea = 0.0;                  // Total surface area of all surfaces for Zone with ground contact
         Real64 ExtGrossGroundWallArea = 0.0;                       // Ground contact Wall Area for Zone (Gross)
         Real64 ExtGrossGroundWallArea_Multiplied = 0.0;            // Ground contact Wall Area for Zone (Gross) with multipliers
-        bool IsControlled = false;                                 // True when this is a controlled zone.
         bool IsSupplyPlenum = false;                               // True when this zone is a supply plenum
         bool IsReturnPlenum = false;                               // True when this zone is a return plenum
         int PlenumCondNum = 0;                                     // Supply or return plenum conditions number, 0 if this is not a plenum zone