Box flushing (steam wash systems only) - 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
Carry out box flushing before sensor removal when the sensor has been in process for several months. Box flushing removes dried process medium from isolation valve and makes sensor removal easier.
WARNING Do not activate box steam flush, if the sensor and the retractor tool are not installed to the isolation valve.
  1. Close the ¼ " valve to the nozzle (1).
  2. Open the ¼ " valve to the box (2).
  3. In the DTR transmitter, go to MENU > SENSOR STATUS and activate wash by pressing WASH button. Repeat the wash 3 … 5 times.
  4. Close the ¼ " valve to the box (4).
  5. Open the ¼ " valve to the nozzle (5).