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©2013 Veris Industries USA 800.354.8556 or +1.503.598.4564 / [email protected] 12131
Alta Labs, Enercept, Enspector, Hawkeye, Trustat, Aerospond, Veris, and the Veris ‘V’ logo are trademarks or registered trademarks of Veris Industries, L.L.C. in the USA and/or other countries.
Other companies’ trademarks are hereby acknowledged to belong to their respective owners.
Installation Guide
Air Quality
G Series
TM
For any service or installation, consult qualified service personnel. To ensure continued reliable operation, replace the sensor
module every five years with a Veris Industries CO sensor replacement module (Veris part number AA09).
Replacement instructions:
1. Disconnect power from the unit.
2. Carefully remove the old sensor module.
3. Install the new module firmly into the socket.
4. Reconnect power to the unit.
5. The replacement sensor requires 96 hours to stabilize after initial power application.
The sensor module is factory calibrated. No field calibration is required or possible. Verify proper operation by observing the LED
indicators.
Problem
Solution
4-20 mA output does not function
• Verify that the unit is a 4-20 model.
• Verify that the unit is wired for sourcing output.
Output is half or twice what is
expected
• Verify span jumper is set to desired scale.
• For voltage units, verify jumper is set to desired
voltage output scale.
Output is inaccurate or unstable
• Allow 96 hours for sensor to burn in and stabilize.
Service
Troubleshooting
