WattMaster MG331-21-VAVCAV - Manual (Page 32)

Form: WMS-OE255-6-CO2Sensor-1B.doc
Page 3 of 3
VAV System
OE255 – Duct Mounted CO
2
Sensor Assembly
Clear Cover
Sensor
Mounting Base
CO
2
Sensor & Sub-base
Aspiration Tube
OE255 – Duct Mounted CO
2
Sensor Mounting
For optimum sensing,
the 3 holes located on
the inlet tube must
face the duct airflow.
OE255 & OE256 – CO2 Sensor