[EnergyPlus_Support] Re: Plant temperatures are getting far too cold

["energyplus_mimis" <welma.pereira@xxxxxxxxx>]

It seems like your set point temperature for the plant loop is very low, check the temperature schedule in the SetpointManager:Scheduled

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "mariasole297" <mariasole297@...> wrote:
>
> Hi,
> i'm tring to simulate the following heating and cooling system:
> 
> Groung heat exchanger+ heat pump+ heating/cooling floor
> 
> When I start the simulation E+ always returns this sever error.
> 
>  ** Severe  ** Plant temperatures are getting far too cold, check controls and relative loads and capacities
>    **   ~~~   **  Environment=SENZA TITOLO, at Simulation time=05/08 19:16 - 19:19
>    **   ~~~   ** PlantLoop Name (SupplySide)= CHW LOOP
>    **   ~~~   ** PlantLoop Setpoint Temperature=6.7 {C}
>    **   ~~~   ** PlantLoop Inlet Node (SupplySide) does not have a Setpoint.
>    **   ~~~   ** PlantLoop Inlet Node (DemandSide) does not have a Setpoint.
>    **   ~~~   ** PlantLoop Outlet Node (SupplySide) has a Setpoint.
>    **   ~~~   ** PlantLoop Outlet Node (DemandSide) does not have a Setpoint.
>    **   ~~~   ** PlantLoop Outlet Node (SupplySide) "CHW LOOP SUPPLY SIDE OUTLET" has temperature=-105.3 {C}
>    **   ~~~   ** PlantLoop  Inlet Node (SupplySide) "CHW LOOP SUPPLY SIDE INLET" has temperature=7.1 {C}
>    **   ~~~   ** PlantLoop Minimum Temperature=1.0 {C}
>    **   ~~~   ** PlantLoop Maximum Temperature=98.0 {C}
>    **   ~~~   ** PlantLoop Flow Request (SupplySide)=0.0 {kg/s}
>    **   ~~~   ** PlantLoop Flow Request (DemandSide)=0.1 {kg/s}
>    **   ~~~   ** PlantLoop Node (SupplySide) "CHW LOOP SUPPLY SIDE OUTLET" has mass flow rate =0.1 {kg/s}
>    **   ~~~   ** PlantLoop PumpHeat (SupplySide)=3.4 {W}
>    **   ~~~   ** PlantLoop PumpHeat (DemandSide)=0.0 {W}
>    **   ~~~   ** PlantLoop Cooling Demand=218.9 {W}
>    **   ~~~   ** PlantLoop Heating Demand=0.0 {W}
>    **   ~~~   ** PlantLoop Demand not Dispatched=0.0 {W}
>    **   ~~~   ** PlantLoop Unmet Demand=62323.8 {W}
>    **   ~~~   ** PlantLoop Capacity=120000.0 {W}
>    **   ~~~   ** PlantLoop Capacity (SupplySide)=120000.0 {W}
>    **   ~~~   ** PlantLoop Capacity (DemandSide)=0.0 {W}
>    **   ~~~   ** PlantLoop Operation Scheme=CHW LOOP OPERAZIONE
>    **   ~~~   ** PlantLoop Operation Dispatched Load = 218.9 {W}
>    **   ~~~   ** PlantLoop Operation Dispatched Load (SupplySide)= 218.9 {W}
>    **   ~~~   ** PlantLoop Operation Dispatched Load (DemandSide)= 0.0 {W}
>    **   ~~~   ** Branches on the Loop.
> 
> 
> I've tried to check the GSHPSimple-GLHE in the ExampleFile and get some changes but it doesn't work... Any ideas???? 
> Maria
>




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