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Re: [EnergyPlus_Support] Inserting Exhaust Fan - Severe ** AirflowNetwork:MultiZone:Component:Zon





If you send your entire input file to the helpdesk, we can try to help.

At 02:23 AM 8/12/2011, Jean marais wrote:
Please HELP

Severe  ** AirflowNetwork:MultiZone:Component:ZoneExhaustFan  = 118204 XFAN1 WC is defined and never used.

  ZoneHVAC:EquipmentConnections,
    118403,                  !- Zone Name
    118403Equipment,         !- Zone Conditioning Equipment List Name
    118403 Zone Equip Inlet, !- Zone Air Inlet Node or NodeList Name
    118403 WC Exhaust Air Nodes List,                        !- Zone Air Exhaust Node or NodeList Name
    118403 Zone Air Node,    !- Zone Air Node Name
    118403 Return Outlet;    !- Zone Return Air Node Name
   
  NodeList,
    118403 WC Exhaust Air Nodes List,
    118403 WC Exhaust Air Node1; !- Node ID
   
  AirflowNetwork:MultiZone:Surface,
    R_118403_5_0_0,   !- Surface Name
    118403 WC,         !- Leakage Component Name
    118403 Horizontal,                 !- External Node Name
    1.0;                     !- Window/Door Opening Factor, or Crack Factor {dimensionless}
   
 !Node Required per Surface
   AirflowNetwork:MultiZone:ExternalNode,
    118403 Horizontal,!- Name
    5.00,                    !- External Node Height {m}
    HorizontalWPC;!- Wind Pressure Coefficient Values Object Name      
   
  AirflowNetwork:MultiZone:Surface:EffectiveLeakageArea,
    118403 WC,               !- Name
    0.002,                   !- Effective Leakage Area {m2}
    1.0,                     !- Discharge Coefficient {dimensionless}
    4.0,                     !- Reference Pressure Difference {Pa}
    0.667;                   !- Air Mass Flow Exponent {dimensionless}   
   
  AirflowNetwork:MultiZone:Component:ZoneExhaustFan,
  118403 XFan1 WC, !- Name
  0.01, !- Air Mass Flow Coefficient When the Zone Exhaust Fan is Off at Reference Conditions {kg/s}
  0.667; !- Air Mass Flow Exponent When the Zone Exhaust Fan is Off{dimensionless}
  ReferenceCrackConditions; !- Reference Crack Conditions

  ZoneHVAC:EquipmentList,
    118403Equipment,         !- Name
    AirTerminal:SingleDuct:Uncontrolled,  !- Zone Equipment 1 Object Type
    118403AirTerminal:SingleDuct:Uncontrolled,  !- Zone Equipment 1 Name
    1,                       !- Zone Equipment 1 Cooling Sequence
    1,                                                       !- Zone Equipment 2 Heating or No-Load Sequence
    Fan:ZoneExhaust,                                         !- Zone Equipment 2 Object Type
    118403 XFan1 WC,                            !- Zone Equipment 2 Name
    2,                                                       !- Zone Equipment 2 Cooling Sequence
    2;
   
    !!!!!!!!!!!!!!!Exhaust Fan WC Start

  Fan:ZoneExhaust,
    118403 XFan1 WC,     !- Name WC Exhaust Fan
    HVACTemplate-Always 1,   !- Availability Schedule Name
    0.7,                     !- Fan Efficiency
    142,                     !- Pressure Rise {Pa}
    0.0166666,            !- Mech ventilation (m3/s)      60 m³/h
    118403 WC Exhaust Air Node1,   !- Air Inlet Node Name
    118403 WC Outside Node1,  !- Air Outlet Node Name
    WC Exhaust;         !- End-Use Subcategory
!!!!!!!!!!!!!!!Exhaust Fan WC End



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Attachments are currently allowed but be mindful that not everyone has a high speed connection.  Limit attachments to small files.

EnergyPlus Documentation is searchable.  Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.




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