WaterLogic WL350, Manual

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WL350 Manual Page 24 – Revision 11‐21‐2018
PROGRAMMING INSTRUCTIONS
CHANGING FROM HOT TANK THERMOSTAT TO THERMISTOR CONTROL
All WL350 Water Treatment Systems come from the factory programmed for a Hot Tank
Thermostat. Currently the WL350 Hot Tank uses a Thermostat. The option to change to a
Thermistor Control is for a future Hot Tank design.
Do not change to Thermistor or it will disable
the Hot Tank.
Unplug Power Cord and remove Top Cover to access Heater Control PCB.
Thermostat Heater Control is the default.
PCB Jumper JP9 in the "ON" position (Pin 1 and 2)
Thermistor Heater Control
The option to change to a Thermistor Control is for a
future Hot Tank design.
Do not change to Thermistor, it will disable the Hot
Tank.
Heater Control PCB – P/N EN‐6131 – WLCP PN 20‐0075
Pin Numbers
1 2 3
1 2
2 3