[EnergyPlus_Support] How does unit ventilator work

[sachin sharma <sachin_skit@xxxxxxxxx>]

Hello All,

I am modeling a test chamber of area 62 sq ft with radiant floor cooling system and displacement ventilation. I am using unit ventilator as object for modeling displacement ventilation. I found in the EIO file the Zone Sizing Information showed that calculated OA flow rate is zero although I have specified flow rate of OA as 0.006728 m3/sec. Also, I am unable to get desired cooling from air coming out of unit ventilator. I am attaching the svg view, can anyone suggest something.

Second question is, if I autosize my chiller plant and also size my zone, the calculated Design load (as per EIO file in zone sizing information) of the zone as per design day calculation is not matching with the cooling capacity of the chiller calculated by energyplus. Ideally the chiller cooling capacity must be equal to the calculated design load of the zone. Currently, the Calculated Design Load = 1012.77 W, Chiller Capacity = 1852.25 W.

regards,
SACHIN SHARMA

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Attachment not found:
d:\eudora\attach\test chamber practical model DV + RC.svg