Viconics VT7606E Installation Manual Bedienungsanleitung PDF herunterladen (Seite 31)

31 | PIR Ready VT7600 Series-Installation Guide

028-0363-02

Economizer Mode and CO2 Level Control

If the fresh air damper is to be used for both free cooling and CO2level control (econo-

mizer mode and CO2 level control, but without fresh air measurement station), only

the Min Pos, Max Pos, Min CO2and Max CO2 parameters as well as the free cooling

sequence will be active.

- The FA Range parameter should be set to 0 CFM.

- Set AI1 parameter to CO2 (0 VDC = 0ppm ; 10VDC = 2000ppm)

- Min Pos, Max Pos, Min CO2 and Max CO2 parameters should be set accord-

ing to the required setting.

The highest value between free cooling demand output and interpolation output for

the fresh air setpoint will be the output to the fresh air damper.

Current CO

Level

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Viconics VT7606E Installation Manual Bedienungsanleitung Seite 31