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Solar Sync Support

Solar Sync - Bypassing the Sensor

Solar Sync

If the Rain Sensor or Freeze Sensor is preventing system operation, SENSOR OFF will be displayed on the controller’s display. Simply move the Bypass switch on the controller to BYPASS and the Solar Sync’s Rain and Freeze Sensor will be bypassed. This allows you to operate your system. The Solar Sync will continue to make adjustments to STATION RUN TIMES. The controller’s Rain Sensor switch should be in the ACTIVE position for the Rain Sensor and Freeze Sensor to interrupt watering during rainy and/or freezing conditions.

NOTE: If you want to bypass the seasonal adjustment portion (run times automatically changing) of the Solar Sync Sensor, you would need to verify if the controller has Solar Sync position on the control dial or a Solar Sync module is installed.

See each section below for instructions.

  • Installation Procedures
Controller with Solar Sync Dial Position

X-Core and Pro-C controllers have a Solar Sync Delay feature. The delay is only accessible after the installation of the Solar Sync. The Solar Sync Delay feature allows the user to postpone seasonal adjustment changes from being made by Solar Sync for up to 99 days.

While the Solar Sync is active, the Solar Sync will continue to collect and store data.

Operation:

To access the Solar Sync Delay setting:
  1. Place the dial in the RUN position; press and hold the   button, rotate the dial to the Solar Sync position then release the   button. The following screen will be presented :d:XX (where d indicates days and XX indicates the number of days to be delayed) .
  2. Press the   or   button to increase/decrease the number of days the delay should run. Once the desired number of days is displayed, move the dial back to the RUN position to activate the delay.
To change the existing Delay days setting:
  1. Open the Solar Sync Delay menu by pressing the   button and rotating the dial to Solar Sync Settings and release the   button.
  2. Use the   or   keys to modify the number of days until desired numbers of delay days is displayed. (Setting the days to 00 turns Solar Sync Delay to OFF.)
  3. Return the dial to the RUN position for the changes to take effect.

While Solar Sync Delay is active, the Solar Sync will continue to gather weather information and calculate the Seasonal Adjust Value. The updated seasonal adjust will be applied once the Solar Sync Delay days reach 00.

Bypassing Seasonal Adjustment (Run Time Changing Automatically) - Controller with Solar Sync Module Installed

If your Hunter controller is older and has the Solar Sync module installed, you can bypass the sensor's part that changes the run times.

  1. Open controller DOOR to access the wiring compartment if applicable. Some controllers have a small cover that needs to slide down to access this area.
  2.  Using a Phillips screwdriver, remove the BLUE wire that attaches to the REM terminal.

The controller will now disregard the automatic Seasonal Adjustment changes and work as a normal Rain/Freeze sensor.

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