Supply chain supply air volume flow deviation evaluation (SplyAflDvnSu11)

Overview

The application function "Supply chain supply air volume flow deviation evaluation 11" (SplyAflDvnSu11) helps to optimize the central AHU fan speed by calculating the air flow deviation of the supply VAV dampers.

Function

The deviation signals of the supply VAV controllers from the room segments are collected.

Air flow deviation is calculated as: ((setpoint flow - measured flow) / nominal air flow)) x 100 [%]

The 10 highest deviations are evaluated and the average is used for fan speed optimization.

For monitoring, the number of deviations between 5...20% are counted.

Configuration

None

Interface

Interface

Description

Type

Ref.

Owned by

AirFlDvnSuMax

Maximum of supply air volume flow deviation
▶ The average of the 10 highest deviations.

ACalcVal

●

-

NumAirFlDvnSu

Number of supply air volume flow deviation
▶ The total number of deviations that deviate between 5% and 20% away from setpoint.

ACalcVal

●

-

SplyAirMst

Manager for supply chain air

GrpMaster

◉

SplyAir11

Engineering and commissioning

None