Fourtech Temperature Controller Manual - ^new^

Switches between PID (Auto-tuned control) or oNNoF (On/Off control). Proportional Band

Most Fourtech units utilize (Proportional-Integral-Derivative). This isn't just a simple "on/off" switch; it's a sophisticated algorithm that predicts how much power is needed to reach the target without overshooting it. Essential Manual Configuration Steps

The display will change to show the first system parameter code. Use the and Down arrow keys to modify values.

To change input types, alarm settings, or PID values, you must enter the Parameter Setting Mode. fourtech temperature controller manual

Before we dive into technical details, it's crucial to identify which "Fourtech" device you have, as the term can refer to two distinct product families. The table below outlines the key differences to help you identify your device:

Press and hold the key to enter the parameter menu until you see AT . Change the AT value from oFF to on . Press SET to exit the menu.

If the temperature is oscillating (swinging wildly above and below the target) or stabilizing too slowly, you should run Auto-Tune. Switches between PID (Auto-tuned control) or oNNoF (On/Off

To ensure your boiler operates efficiently and safely for years, the manual provides clear maintenance guidelines:

Use the or Down Arrow buttons to change the flashing number to your desired target temperature.

Ensure the probe (NTC) is placed where it can accurately measure the ambient temperature of the system. Wiring the FC-040: Essential Manual Configuration Steps The display will change

Even without your physical , these error codes are standard across the industry.

: A dedicated button to clear minor errors or restart the burner after a lockout. Triangular Calefacción 3. Key Operational Parameters

Proper installation is crucial for accurate temperature reading and device longevity.