Inserting wash nozzle - PR-23 - PR-23-AC - PR-23-AP - PR-23-GC - PR-23-GP - PR-23-M - PR-23-RP - PR-23-SD - PR-23-W

PR-23 Series User Guide
Document code
IM-EN-PR23
Revision
K
Language
English
Product
PR-23
PR-23-AC
PR-23-AP
PR-23-GC
PR-23-GP
PR-23-M
PR-23-RP
PR-23-SD
PR-23-W
Document type
User guide
WARNING Always shut the main steam valve before performing any work on the wash nozzle.
Insert the wash nozzle as instructed in the following illustrations. For more thorough instructions, see user documentation or visit the website to see the instructional videos on inserting and removing the sensor: vaisala.com/en/safe-drive-refractometer-pr-23-sd-manuals-safety-instructions-and-safety-videos.

Check the nozzle and the valve before installing the wash nozzle. Use thread seal tape for all thread connections.

  1. Insert the nozzle into the isolation valve (1).
    1. Attach the nozzle to the nozzle guide with one special M5x10 screw (2) using a 5 mm Allen key.
    2. Remove the safety pin (3).
  2. Close the ¼" check port valve under the nozzle isolation valve (1).
    1. Open the isolation valve (2) by turning the handle counterclockwise.
    2. Push the nozzle to the process (3).
    3. Attach the nozzle to the nozzle guide with one s pecial M5x10 screw (4) using a 5 mm Allen key.
    4. Lock the isolation valve handle with the safety pin (5).
  3. Connect the lines in the following order.
    1. STEAM: Connect the steam line and sensor flush flexible line to the nozzle T-piece (1,2).
    2. WATER: Connect the water line to ¼" valve (1,2).
    3. Open the steam supply line valve (3).
    4. Check the functionality of washing from the optical image window in DTR.