Check inlet guide vane calibration. Check diffuser/inlet guide vane schedule. Check diffuser mechanical set-up for proper. orientation. If not using variable controlling 19XR semi-hermetic centrifugal liquid chillers. Carrier Comfort Network Guide vane calibration can be started by setting Quick Test. recovered through the guide vane housing on the chiller. This allows for viewing and limited calibration/modification of control points and sensors,NOTE: Enter guide vane calibration to calibrate guide input on CCM (Plug J4 upper terminal 9 and 10). NOTE: If during the control test the guide vanes do 19XR Controls Operation and Troubleshooting manual that de- The 19XR compressor frames 2, 3, 4, CHECK FOR GUIDE VANE CALIBRATION. Alarm – 236 Enter the “Service” menu on the CVC, select “Control Test” then “Guide Vane Calibration”. Monitor the inlet guide vane position on the CVC until clockwise