Set to PID for precise modulation or oNF for standard ON/OFF switching.
(Output Time/Cycle Time): Defines how often the output switches. ALcap A cap L (Alarm): Sets high or low temperature alarms. (Proportional Band): Used in PID to control overshoot.
When the controller detects a system fault, it will display an error code on the PV screen instead of a temperature value. fourtech temperature controller manual free
Used to enter programming menus, toggle parameters, and save edits. Arrow Keys (
If you find a site selling the FourTech temperature controller manual for $19.99, click away. They are repackaging free content. Set to PID for precise modulation or oNF
The type of you are trying to connect (Thermocouple or RTD).
Most Fourtech models (e.g., FT-961 series) follow a standard navigation protocol: (Proportional Band): Used in PID to control overshoot
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To change the sensor type, alarm limits, or control mode, you must enter the deeper system menu. Press and hold the key for 3 to 5 seconds.