Sentry Industries 5000 User Manual

 

 

The 

 message for ammonia sensors does 

not indicate a specific failure of the sensor but indicates 
that the sensor is not correctly connected to the 
electronics.  If this message appears check that the sensor 
harness is correctly installed to the connector on the 
bottom electronics board. 

To replace the sensor assembly: 

1.  Confirm that system power has been removed. 

2.  Remove the transmitter electronics board from the 

main housing and unplug the sensor harness from 
the transmitter electronics. 

3.  Unscrew the sensor housing from the bottom of 

the enclosure 

4.  Install the new sensor assembly into the enclosure 

and tighten firmly. 

5.  Reconnect the sensor harness to the transmitter, 

install the transmitter into the housing and restore 
power. 

6.  Allow one hour for the sensor to stabilize prior to 

recalibration. 

7.  Recalibrate the sensor module.