GE E-CELL STACK MK-2 Series - Page 3

rev.1.1 Page 1-3
11. PREVENTATIVE MAINTENANCE................................................................................. 11-22
11.1 GENERAL.................................................................................................................. 11-22
11.2 E-CELL STACK
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CLEANING AND SANITIZING .........................................................11-22
11.2.1 Overview.......................................................................................................... 11-22
11.2.2 Safety............................................................................................................... 11-24
11.2.3 Cleaning Chemical Specifications.................................................................. 11-24
11.3 CLEANING SETUP AND INSTRUCTIONS .................................................................. 11-24
11.4 CLEANING PROCEDURES ........................................................................................ 11-27
Cleaning Procedure 1: Hydrochloric Acid Cleaning of Concentrate and Electrode Chambers
.............................................................................................................................................. 11-27
Cleaning Procedure 2: Hydrochloric Acid Cleaning of All Chambers............................... 11-27
Cleaning Procedure 3: Sodium Chloride / Sodium Hydroxide Cleaning/Sanitizing......... 11-27
Cleaning Procedure 4: Hydrochloric Acid and Sodium Chloride / Sodium Hydroxide
Cleaning/Sanitizing ............................................................................................................. 11-28
Cleaning Procedure 5: Halane or Peracetic Acid Sanitizing ............................................. 11-28
Cleaning Procedure 6: Hydrochloric Acid and Halane or Peracetic Acid Sanitizing .......11-28
Cleaning Procedure 7: Halane or Peracetic Acid Sanitizing and High pH Sanitizing ...... 11-28
Cleaning Procedure 8: Hydrochloric Acid and Halane or Peracetic Acid Sanitizing and High
pH Sanitizing........................................................................................................................ 11-29