This comprehensive manual provides step-by-step instructions for installing, programming, and troubleshooting your new KES Geyser Load Control Timer. Technical Specifications

If the controller is set to activate after peak hours (e.g., after 8 PM), it may have a randomized delay of up to 30 minutes before switching on to prevent a sudden surge on the power grid.

If you need hot water immediately when the timer is off, press the Overload/Override button. Note that the controller may prevent manual heating specifically during designated peak demand times to protect the grid.

The timer comes with four selectable programs that dictate when the geyser is allowed to heat water: Program Status Indicator Operating Schedule (Standard Weekdays) 1 Flash / 1s

If you are using the device for the first time or after a hard reset, you must set the current date and time. Hold down the button throughout this process.

from 00:00 to 03:00, 08:00 to 15:00, and 20:00 to 24:00, as well as during peak hours. Manual Override

The ISG1201 is designed for easy integration into existing or new distribution (DB) panels or via surface mounting in ceiling cavities.

In the new KES models, load control periods are called zones.

Choosing the right profile is a simple decision based on your lifestyle and water heating setup. Most users will benefit most from Profile 4 (Savings Program) or Profile 2 if they have a solar geyser.

The internal lithium backup battery is entirely depleted.