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[EnergyPlus_Support] multizone temperature setpoint
- To: EnergyPlus_Support@xxxxxxxxxxxxxxx
- Subject: [EnergyPlus_Support] multizone temperature setpoint
- From: "qandt" <fantoni.alessandro@xxxxxxxxx>
- Date: Thu, 02 May 2013 11:25:07 -0000
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Hi, I would like to ask how control a multizone average temperature.
I have an AHU which serves two zones. These are two identical rooms with different internal gains.
There is a pre-heat which increases outdoor temperature up to 15 °C and then I used an electric heating coil. I would like to obtain 21°C as average temperature of these two zones.
Firstly I tried to put the coil setpoint on the node which mixes the two zones' return air and a SetpiontManager:Scheduled. The behaviour of the coil is "highly floating" and it doesn't achieve the setpoint.
Secondly I tried to use ZoneControl:Thermostat + SetpointManager:MultiZone:Heating:Average. It works perfectly without internal gains. But if I schedule people gains, it doesn't work. (people in only one room: 21°C in the unoccupied room and more in the occupied one, while I want an average of 21; equal number of people in both rooms: "highly floating" and it doesn't achieve the setpoint).
I suppose to ignore some important element of control. Thank you if you have some suggestions.
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