V Guard Du 1000 Smart User Manual

The DU 1000 Smart features an intuitive digital interface:

| Indicator / Button | Function | |--------------------|----------| | Digital Display | Shows real-time input voltage, output voltage, or error code | | Mode Button | Switch between Display Modes (Input / Output / Status) | | Green LED (Power) | Steady – Normal operation | | Yellow LED (Delay) | Blinking – 3-min compressor delay active | | Red LED (Trip) | ON – Over/under voltage cut-off | | Buzzer | Beeps for error or mode change |

The V Guard DU 1000 Smart works on a 12V battery system. Warning: Connecting the polarity backwards will blow the internal fuse or damage the PCB. v guard du 1000 smart user manual

The V-Guard DU 1000 Smart is a next-generation digital voltage stabilizer designed to protect your valuable appliances from voltage fluctuations. With a 1000VA (Volt-Ampere) capacity, it is ideal for 1.5-ton air conditioners, high-capacity refrigerators, washing machines, and water pumps. This manual will walk you through installation, operation, smart features, and common fixes.

| Protection | Action | |------------|--------| | Over-voltage | Disconnects output when input > 290V | | Under-voltage | Disconnects output when input < 140V | | Overload | Cuts output if load exceeds 1100 VA | | Over-temperature | Shuts down if internal temp > 75°C | | Short circuit | Fuse / electronic trip | The DU 1000 Smart features an intuitive digital

After fault clear, unit resets automatically (time delay active).

According to the official manual:

Model: DU 1000 Smart
Application: Air Conditioners (up to 1.5–2.0 TR), Refrigerators, Heavy Home Appliances
Type: Digital, Relay-based / Servo (Confirm variant – typically High-End Digital)