Tom had been brewing beer for years, but his latest endeavor, a craft brewery in a small town, was his pride and joy. He took great care in selecting the finest ingredients and perfecting his recipes. However, Tom knew that temperature control was crucial in the brewing process. If the temperature wasn't just right, his beer could be ruined.
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.
The Complete Fourtech Temperature Controller Manual: Programming, Wiring, and Troubleshooting fourtech temperature controller manual
Consult the of your FourTech temperature controller manual when you see a flashing message. Here are the most common codes:
If your system malfunctions, check the PV screen for these standard diagnostic codes: oooL or HHHH (Over-Range / Open Circuit) Tom had been brewing beer for years, but
Illuminate when the primary or secondary control outputs are actively firing.
Fourtech Temperature Controller Manual: A Comprehensive Setup and Operation Guide If the temperature wasn't just right, his beer
| Code | Name | Function | Typical Settings | | :--- | :--- | :--- | :--- | | | Alarm 1 | Sets the temperature for Alarm 1 (High/Low). | e.g., 100°C | | AL2 | Alarm 2 | Sets the temperature for Alarm 2. | e.g., 110°C | | Hy | Hysteresis | Dead band for alarm or on/off control. | 1-3 degrees | | P | Proportional Band | PID Parameter. Low P = Aggressive heating. | Default usually 10-30. | | I | Integral Time | PID Parameter. | Default usually 100-200. | | D | Derivative Time | PID Parameter. | Default usually 20-50. | | InPt / Sn | Sensor Input | Selects sensor type (K, J, Pt100). | K type is standard for most ovens. | | OutP | Output Type | Defines output signal (Relay, SSR, 4-20mA). | SSr or rEL . | | LoC | Lock | Locks the keypad to prevent changes. | 0 (Unlock), 1 (Lock Setpoint), 2 (Lock All). |
: These controllers generally support multiple input types, including J/K Thermocouples RTD (Pt100) Dual Display : Many units provide a simultaneous view of the PV (Process Value) SV (Set Value) to allow for real-time monitoring. 2. BAXI Fourtech 24 Boiler Controls BAXI Fourtech 24