[EnergyPlus_Support] Re: LowTemperatureRadiant.. Zone energy/rate output missing?

["FrancescoP" <direzionecontraria@xxxxxxxx>]

It's an old message, but I noticed the same results. I think that the variable that one has to consider in order to see the heat that is provided by heated floors is "Hydronic Low Temp Radiant Heating Rate".
I guess that "Zone/Sys Sensible Heating Rate" regards heat that is transmitted directly from the HVAC system to zone air, while a heated floor transmits heat from the HVAC system to a floor/slab. 
For a zone that is equipped with a fan coil (no mechanical ventilation, no other HVAC system), I have the opposite problem: "Zone/Sys Sensible Heating Rate" > 0 (throughout the day and it isn't negligible) although there is no water flow through the fan coil.
Could it be a problem of my model? I have warnings regarding the convergence of the HVAC system.
Regards

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "dani_lore1984" <dani.lorenzini@...> wrote:
>
> Dear all,
> 
> I'm modelling for my university's thesis a 3-floor building composed of 3 different apartments each with 7 zone. I've modelled the HVAC system only for one of this apartment to check if it works good. The HVAC system is simple, 3 zone with radiant floor modelled as "LowTemperatureRadiant:VariableFlow", 2 with wall radiators modelled as "Baseboard:RadiantConvective:Water". Source is a typical condensed boiler.
> 
> Everythink seems fine, no errors and in conditioned zone temperature is 20°C. But when I open output's file (with resultviewer) zones with radiant floor have "Zone/Sys Sensible Heating Energy" and "Zone/Sys Sensible Heating Rate" equal to 0.. Instead values for radiators are >0. Why this happen? How can I evaluate energy consumption of zone with radiant floor?
> 
> Thanks in advance!
>



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