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EPH Controls Ltd.
To master reset the timeswitch to factory settings, locate the master reset button on the right-hand
side underneath the timeswitch. (see page 5)
Press the Master Reset button and release it.
The screen will go blank and reboot.
The timeswitch will restart and revert to its factory dened settings.
The service interval gives the installer the ability to put an annual countdown timer on the
timeswitch. When the Service Interval is activated ‘SErv’ will appear on the screen which will alert the
user that their annual boiler service is due.
For details on how to enable or disable the Service Interval, please contact customer service.
Service Interval OFF
Master Reset