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Re: [EnergyPlus_Support] 5zoneVAVsystem
The nodes noted in the error messages are being used for control without having
a valid setpoint placed on them by a SET POINT MANAGER. This could mean a
missing set point manager, an incorrect node name in the set point manager, or
an incorrect node name in the component that is trying to obtain a set point.
Search the idf for each node name, see how it is being used, and then you
should be able to determine what the problem is.
Mike
On 2 Jun 2005, at 16:34, Ali_Ajmi wrote:
> Dear All,
> I have imitated the 5ZoneVAVauto example in my equipment side, however, I got
> some errors and warnings that i can not sort out. Any advice will be greatly
> appreciated.
>
> Program Version,EnergyPlus 1.2.1.022, 02/06/2005 16:16,IDD_Version 1.2.1.022
> ** Severe ** Missing reference temperature setpoint for Mixed Air Set Point
> Manager MIXED AIR AND COIL EXIT TEMP MANAGER 1 ** ~~~ ** Node Referenced
> =VAV SYS 1 OUTLET NODE ** ~~~ ** use a Set Point Manager to establish a
> setpoint at this node. ** Severe ** Missing temperature setpoint for DX unit
> DX COOLING COIL SYSTEM 1 ** ~~~ ** use a Set Point Manager to establish
> a setpoint at the unit control node. ** Severe ** Missing temperature
> setpoint for heating coil MAIN HEATING COIL 1 ** ~~~ ** use a Set Point
> Manager to establish a setpoint at the coil temperature setpoint node. **
> Severe ** Missing temperature setpoint for economizer controller OA
> CONTROLLER 1 ** Severe ** Node Referenced (in Controller)=MIXED AIR NODE 1
> ** ~~~ ** use a Set Point Manager to establish a setpoint at the mixed
> air node. ** Fatal ** Previous severe set point errors cause program
> termination ************* Fatal error -- final processing. More error
> messages may appear. ************* Testing Individual Branch Integrity
> ************* All Branches passed integrity testing ************* Testing
> Individual Supply Air Path Integrity ************* All Supply Air Paths
> passed integrity testing ************* Testing Individual Return Air Path
> Integrity ************* All Return Air Paths passed integrity testing **
> Warning ** Node Connection errors shown during "fatal error" processing may
> be false because not all inputs may have been retrieved. ** Warning **
> Potential Node Connection Error for object COIL:ELECTRIC:HEATING, name=ZONE
> INTERIOR ZONE COIL ** ~~~ ** Node Types are still UNDEFINED -- See
> Branch/Node Details file for further information ** ~~~ ** Inlet Node :
> ZONE INTERIOR ZONE COIL AIR IN NODE ** ~~~ ** Outlet Node: ZONE
> INTERIOR IN NODE ** Warning ** Node Connection Error for object
> COIL:ELECTRIC:HEATING, name=ZONE INTERIOR ZONE COIL ** ~~~ ** Air Nodes
> not on any Branch or Parent Object ** ~~~ ** Inlet Node : ZONE INTERIOR
> ZONE COIL AIR IN NODE ** ~~~ ** Outlet Node: ZONE INTERIORNIN NODE
> ************* There were 2 node connection errors noted. *************
>
> Regards
> Ali
>
>
>
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>
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========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support
EnergyPlus-Support@xxxxxxxx
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