Скачать или смотреть CH403B-1-NTC Cooling Controller Programming Guide | Setpoints, Alarms, Defrost & More

In this video, we walk you through the complete programming process of the CH403B-1-NTC Cooling Controller. This device is widely used in cold storage, refrigeration, and HVAC applications to regulate ambient temperature using an NTC sensor and programmable parameters.

🔧 Key Parameters Covered:

P1: Cooling/Heating Control Mode

P2: High Alarm

P3: Low Alarm

SH / SL: Setpoint High & Low Limits

P4: Hysteresis

P5: Display Offset Calibration

P6: Restart Time Delay

P7: Defrost Time Duration

P8 / P9: Defrost Frequency

PU: Temperature Unit Selection

LP: Lock Programming

RS: Display Resolution

FN: Alarm Enable/Disable

A1: Sensor Break Alarm

F5: Factory Reset

📦 Features:

NTC sensor compatibility

Display calibration & alarm customization

Supports defrost timing & compressor protection

Celsius/Fahrenheit unit switching

Factory reset functionality

✅ Ideal for: Cold Room Technicians | HVAC Engineers | Panel Builders | Service Technicians

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🎙️ Voiceover by Raj Kanabar

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#Alarms #DefrostSettings #FactoryReset #DisplayOffset