Controlling Water flow rate

asked 2020-03-25 10:30:06 -0500

MPCbro123
61 ●1

updated 2020-03-25 16:14:44 -0500

Hi, i am currently trying to model a Fan coil unit (FCU) to service an office, originally the model i made in energy+ uses the damper opening positions in the VAV to control the return air temperature. However i would like to use the water valve supplying the chilled water to control the return air temperature by varying the position of the valve opening.I would like to ask if that is possible? So in short instead of controlling the supply air flow rate, i would like to control the water flow rate. Thanks!

My Sizing:System object is currently using the VAV control method.

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Hi, thank you for help! I would like to ask 1 more question if i may, how do i control the OA flow rate to vary according to my CO2 setpoint? I tried setting ZoneControl:ContaminantControl for my CO2 setting but the OA flow rate is always constant at the maximum allowable flow rate.