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[EnergyPlus_Support] Runtime fraction for Water to Water Radiant System
- To: EnergyPlus_Support@xxxxxxxxxxxxxxx
- Subject: [EnergyPlus_Support] Runtime fraction for Water to Water Radiant System
- From: "aleagerman22" <agerman@xxxxxxxxxxxxxxx>
- Date: Fri, 26 Oct 2012 23:46:01 -0000
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- Delivery-date: Fri, 26 Oct 2012 17:46:07 -0600
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I have a HeatPump:WatertoWater connected to a radiant zone with ZoneHVAC:LowTemperatureRadiant:VariableFlow. The source side is connected to a ground condenser loop. I am running an hourly timestep and would like to export the runtime fraction of the system and it doesn't appear that this output exists. I have looked through the .rdd file and the Input-Output Reference document and don't see anything related. This fraction could be from the heat pump, radiant system, or any of the pumps or loops. Does anyone know of anything?
An aside, I am looking for this because I have been informed by some involved in E+ development that the variable speed pump used in a ground loop application reports an overestimate for timestep kWh as it doesn't take into account runtime.
Thanks!
Alea
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