Yamato Scientific WG221S Water Purifiers - Manual (Page 2)

Contents
For Safety Use................................................................................................................................................ 1
Explanation of Graphic Indication ............................................................................................... 1
Table of Symbol Mark.................................................................................................................. 2
Caution for Safety........................................................................................................................ 3
Table of Dangerous Element....................................................................................................... 5
Safety Precaution .......................................................................................................................................... 6
Installation and Preparation for Use............................................................................................ 6
Caution for Use............................................................................................................................................ 16
Identification of Parts.................................................................................................................................. 17
Body........................................................................................................................................... 17
Piping Diagram .......................................................................................................................... 18
Operation System...................................................................................................................... 19
Operation Panel......................................................................................................................... 22
Emergent Troubleshooting ........................................................................................................................ 27
Run Menu ..................................................................................................................................................... 28
Preparation and Check before Use........................................................................................... 28
Run Menu .................................................................................................................................. 29
Repeated Collection of Pure Water .......................................................................................... 30
Collection of The Fixed Volume of Ion Exchanged Water ........................................................ 31
Collection of The Fixed Volume of Distilled Water(WG221S) .................................................. 32
Indication of Water Quality ........................................................................................................ 33
Display of Total Flow/Resetting ................................................................................................. 35
Safety Devices and Error Codes................................................................................................................ 36
Displays and Details of Error Code........................................................................................... 36
Trouble Displays other than Error Codes/Details ..................................................................... 37
Troubleshooting ......................................................................................................................... 38
Maintenance................................................................................................................................................. 39
Check and maintenance ........................................................................................................... 39
Exchange of Pre-Treatment Cartridge ...................................................................................... 39
Exchange of Ion Exchange Resin Cartridge............................................................................. 39
Cleaning Still.............................................................................................................................. 40
Exchange Heaters ..................................................................................................................... 44
Clean Water Supply Hose Filter................................................................................................ 45
Exchange Hoses ....................................................................................................................... 45
When you do not use the unit for a long time ........................................................................... 46
After-sales Service and Warranty .............................................................................................................. 47
Specifications .............................................................................................................................................. 48
Wiring Diagram ............................................................................................................................................ 49
WG221/221S ............................................................................................................................. 49