Airflow Sensor Replacement - Honeywell Centra Line MERLIN NX Series Installation Instructions Manual

MERLIN NX IP AND MST/TP VAV CONTROLLER - INSTALLATION INSTRUCTIONS

Airflow Sensor Replacement

Procedure to replace the airflow sensor is as follows:
Gently pull the sensor cover outward and rotate it by 75 degree.
1.
Disconnect the electrical connector by gently pulling it away from the differential pressure sensor.
2.
Replace the airflow sensor.
3.
Attach the electrical connector.
4.
NOTE: Before closing the sensor cover, make sure to push the excess cable into the controller cavity. The sensor cover will
not snap into the controller if the cable is not tucked correctly.
Close the cover.
5.
EN1Z-1076GE51 R0722
Fig. 12. Removing the sensor cover
Fig. 13. Replace the sensor
12