57
Enter
Zone Occupied?
Biased Occuped?
Zone in Heat
mode?
Error = DCVSP - DCV
DCVD >
MAXOUT?
Exit
YES
YES
YES
YES
NO
NO
NO
Integral Term = (Error x Integral Gain) + Previous Integral Term
Proportional Term = Error x Proportional Gain
DCVD = Proportional Term + Integral Term + Starting Value
DCVD = MAXOUT
DCVD = 0
Previous Integral Term = Integral Term
NO
3V™ Zone Controller DCV Damper Control Logic
LEGEND
DCV — Demand Control Ventilation Sensor
DCVSP — Demand Control Ventilation Setpoint
DCVD — Demand Control Ventilation Damper Output
MAXOUT — DCVD Configured Maximum Output
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