Fourtech Temperature Controller Manual Jun 2026

The most common reason users consult the manual is to learn how to set the temperature. Here is the standard procedure:

Use specified compensation wires for Thermocouple (TC) inputs and insulated sensors for heated metals. For RTD inputs, use three wires of equal resistance to prevent measurement errors.

Terminals 1 and 2 typically accept 100–240V AC or 24V DC (verify via the sticker on your specific device casing).

Connect the positive wire to the positive terminal and the negative wire to the negative terminal. Reversing polarity causes the temperature reading to move in the opposite direction of actual thermal changes. fourtech temperature controller manual

Connect the heater or cooler to the output relay terminals. 5. Troubleshooting

Connect the positive wire to Terminal 6 and the negative wire to Terminal 7 .

Universal input supporting Thermocouples (K, J, E, T, R, S, B) and RTDs (Pt100, Cu50). The most common reason users consult the manual

Sets the upper-limit temperature threshold to trigger Alarm 1. Alarm 1 Low

Displays the Set Value (Target Temperature).

Process Value (The current actual temperature). Terminals 1 and 2 typically accept 100–240V AC

The Fourtech temperature controller manual had been an invaluable resource for Tom, helping him to unlock the full potential of his brewery. He was grateful for the clear instructions, detailed diagrams, and comprehensive troubleshooting guide, which had made it easy for him to get up and running with the controller.

Press or Down to adjust the numbers to your desired temperature. Press SET again to save and exit. Entering the Parameter Configuration Menu

Disconnect power before wiring the controller.

Primary Control Output (Relay or SSR Drive). Terminals 5 & 6: Alarm 1 Output (Normally Open contact). Terminals 8, 9 & 10: Sensor Input.

For Pt100 (RTD): Connect the red wire to terminal 8. Connect the two blue/white wires to 9 and 10.