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Press or ▼ to scroll through the parameter codes ( F0 to F6 ).

Note: Ensure all wiring is completed while the main power supply is entirely disconnected. 🎛️ Panel Interface and Key Functions

Simultaneously press for 5 seconds until screen flashes --- . Release. Unit resets to F1 = C, F2 = 25°C, F3 = 2°C.

Note: The relay output is a "dry contact" switch. You must route live power through the relay to power your cooling or heating element. 🎛️ Indicator Lights & Display Meanings

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The temperature has exceeded the upper measuring limit of +99°C.

: The LED display includes specific lights for "Set," "Refrigeration," "Defrost," and "Fan" to show current system status at a glance. Manual Resources

While holding down the Set key, use the Up or Down arrows to modify the value.

Cooling/Heating output relay. Connect your compressor, cooling fan, or heater in series with the power source through these terminals.

The STC-600 temperature controller manual PDF provides troubleshooting guides and maintenance tips to ensure optimal performance. Here are some general tips:

The cooling system will turn on when the sensor detects 6°C ( F1 + F2 ).

The STC-600 is designed for precise temperature regulation, featuring an easy-to-read LED display, simple button navigation, and independent relay outputs for cooling and defrost functionalities. Key Specifications

The STC-600 governs refrigeration systems using a combination of the Target Temperature ( F0 ), Hysteresis ( F1 ), and Delay Protection ( F2 ).