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The function from the controller can be changed through the internal parameters. It is possible to switch the relay if the measured input is lower or higher than the adjusted set point. The ALFANET 1-LS has a RS 485 network connection for read-out and adjusting through the Alfanet. * Installation.
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* Viewing setpoint. By pushing the SET key the setpoint appears in the display. The led 'set' starts blinking. A few seconds after releasing the SET key the setpoint disappears and the measured temperature is shown in the display. * Changing setpoint. Push the SET key and the setpoint appears in the display.
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Solution: - Reprogram the settings. * Technical details. Type : ALFA 1-LS (Level Switch) controller or ALFANET 1-LS (Level Switch) controller with network Range : 0/+100 %, read out per 1 % Supply : 230 Vac / 1,2VA 50/60Hz (or else see product sticker)