WL350 Operating, Installation, and Service Manual Page 3 – Revision 8-30-2016
TABLE OF CONTENTS
USER GUIDE
Safety Alert Symbols ................................................................ 4
Safety Precautions ................................................................... 4
Features and Benefits .............................................................. 7
Certifications ............................................................................ 8
Model Designations and General Specifications ..................... 9
Electrical and Shipping Specifications .................................... 10
Operating Instructions ........................................................... 11
Warranty ............................................................................... 12
SERVICE GUIDE
Service Requirements ............................................................ 13
Hot Tank Principles of Operation ........................................... 14
Heater Circuit – Hot Tank Wiring ........................................... 15
Resetting the Hot Tank Overload (High Limit Safety) ............ 16
Hot Tank Descaling................................................................. 18
Firewall Outlet Solenoid – Reverse Flow Orientation ........... 20
Adjusting Cold Water Set Point ............................................. 21
Programming – Disabling Energy Saving Sleep Mode ........... 22
Programming – Changing Hot Water Mode to Ambient ....... 23
Replacement Components (Consumables) ........................... 24
Countertop Drawings and Parts List…………………… ................ 25
Tower Drawings and Parts List……………………......................... 32
Counter Top Flow Diagram .................................................... 39
Tower Flow Diagram .............................................................. 40
Electrical Schematic ............................................................... 41
INSTALLATION GUIDE
Pre-Installation Procedures ................................................... 42
Countertop Draining Procedure ............................................ 46
Tower Draining Procedure ..................................................... 47
Installation Instructions ......................................................... 48
TROUBLESHOOTING GUIDE
Fault Codes ............................................................................. 50
Power Troubleshooting.......................................................... 53
Dispense Troubleshooting ..................................................... 56
Cold Water Troubleshooting .................................................. 68
Hot Water Troubleshooting ................................................... 69