1. Introduction
This manual provides essential information for the safe and efficient operation of your new Haier 3D 70 Series 7 HTW7720DNGB refrigerator. Please read these instructions carefully before installation and use, and keep them for future reference.
Your Haier refrigerator is designed with advanced features to ensure optimal food preservation and user convenience, including Total No Frost technology, My Zone Plus, Humidity Zone, Direct Access drawers, and Wi-Fi connectivity.
Image 1.1: Front view of the Haier 3D 70 Series 7 HTW7720DNGB refrigerator.
2. Safety Information
For your safety and to ensure correct usage, please read the following safety precautions carefully before operating the appliance. Keep this manual in a safe place for future reference.
- Ensure the appliance is properly grounded.
- Do not damage the refrigerant circuit.
- Do not use electrical appliances inside the food storage compartments unless they are of the type recommended by the manufacturer.
- Keep ventilation openings clear of obstruction.
- Unplug the appliance before cleaning or performing maintenance.
- This appliance is intended for household use only.
3. Setup and Installation
3.1 Unpacking
Carefully remove all packaging materials. Dispose of packaging responsibly. Check the appliance for any damage incurred during transit.
3.2 Placement
Place the refrigerator on a firm, level surface. Ensure there is adequate space around the appliance for proper ventilation. Avoid direct sunlight and heat sources.
3.3 Leveling
Adjust the leveling feet at the bottom of the refrigerator to ensure it is stable and level. This helps to reduce vibration and noise.
3.4 Initial Cleaning
Before first use, clean the interior and exterior of the refrigerator with a soft cloth and mild detergent. Wipe dry thoroughly.
3.5 Power Connection
Connect the power cord to a grounded electrical outlet. Allow the refrigerator to stand for at least 2-4 hours before plugging it in to allow refrigerants to settle.
4. Operating Instructions
4.1 Control Panel
The refrigerator features an intuitive control panel, typically located on the exterior or interior top of the refrigerator door. Use this panel to adjust temperatures and activate special functions.
4.2 Temperature Adjustment with MyZone Plus
The MyZone compartment allows for flexible temperature control. With a simple touch, you can gradually adjust its temperature from -3°C to +5°C to suit your specific storage needs, such as chilling drinks, preserving meat, or defrosting.
Image 4.1: Close-up view of the My Zone drawer, allowing flexible temperature settings.
4.3 Humidity Zone
The Humidity Zone drawer is specifically designed to maintain optimal humidity levels for fruits and vegetables, keeping them fresh for longer periods.
Image 4.2: The Humidity Zone drawer, ideal for storing fresh produce.
4.4 Direct Access Drawers (Freezer)
The freezer section features Direct Access drawers, providing quick and easy visibility and retrieval of frozen items. This design also contributes to up to 30% energy savings by minimizing cold air loss.
Image 4.3: Direct Access freezer drawers for convenient storage and energy efficiency.
4.5 Total No Frost Technology
Haier's innovative Total No Frost technology prevents ice build-up in both the refrigerator and freezer compartments, eliminating the need for manual defrosting and ensuring consistent cooling performance.
Image 4.4: Interior view highlighting Total No Frost technology and Daylight LED lighting.
4.6 Daylight LED Lighting
The Daylight LED system provides bright and uniform illumination throughout the refrigerator, making it easy to see and access all contents.
4.7 hOn App and Wi-Fi Connectivity
Your refrigerator is equipped with Wi-Fi connectivity and integrates with the hOn App. This allows for remote control and access to smart features, such as Proactive Temperature, which anticipates your freshness needs based on your location and shopping preferences.
Image 4.5: Refrigerator showcasing Wi-Fi connectivity and hOn App integration.
Image 4.6: The hOn App demonstrating artificial intelligence features for proactive temperature management.
5. Maintenance
5.1 Cleaning the Interior
Regularly clean the interior of your refrigerator with a solution of mild detergent and warm water. Avoid abrasive cleaners or solvents. Remove shelves and drawers for thorough cleaning.
5.2 Cleaning the Exterior
Wipe the exterior surfaces with a soft, damp cloth. For the black finish, use a non-abrasive cleaner specifically designed for appliance surfaces. Ensure the door seals are clean and free from food debris to maintain efficiency.
5.3 Power Off for Extended Periods
If the refrigerator will be unused for an extended period, unplug it, empty all contents, clean thoroughly, and leave the doors slightly ajar to prevent odors and mold growth.
6. Troubleshooting
Before contacting service, check the following common issues:
- Appliance not working: Check if the power cord is plugged in correctly and if there is power to the outlet.
- Temperature too high: Ensure the door is closed properly, the temperature settings are correct, and there is adequate ventilation around the appliance. Avoid placing hot food inside.
- Unusual noises: Check if the appliance is level. Minor noises from the compressor or refrigerant flow are normal.
- Water on the floor: Check if the drain hole is blocked or if the water collection tray is overflowing.
For persistent issues, refer to the full troubleshooting guide in the comprehensive user manual or contact customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Haier |
| Model Number | HTW7720DNGB |
| Manufacturer's Internal Model Number | 34005426 |
| Product Dimensions (H x W x D) | 200.6 x 70 x 67.5 cm |
| Weight | 99 kg |
| Total Capacity | 483 Liters |
| Refrigerator Net Capacity | 343 Liters |
| Freezer Net Capacity | 140 Liters |
| Configuration | Bottom Freezer |
| Color | Black |
| Special Features | My Zone drawer, Inverter Motor, Total No Frost, Super Cooling, Super Freezing, Wi-Fi Connectivity |
| Installation Type | Freestanding |
| Number of Doors | 3 |
| Defrost System | No Frost |
| Voltage | 230 Volts |
| Energy Efficiency Class | D |
| Annual Energy Consumption | 242 kWh/annum |
| Noise Level | 35 dB |
| Climate Class | SN-N-ST-T |
| Freezing Capacity | 10 kg/24h |
| Autonomy (Power Failure) | 20 hours |
For detailed energy information, refer to the official EU EPREL database: https://eprel.ec.europa.eu/qr/1636282
Image 7.1: EU Energy Label and detailed information for model HTW7720DNGB.
8. What's in the Box
Upon unpacking, you should find the following components:
- Haier 3-door Refrigerator Unit
- 3 Glass Shelves
- 2 Refrigerator Drawers
- Foldable Bottle Rack
- Ice Tray
- User Manual (this document)
9. Warranty and Support
Your Haier refrigerator comes with a manufacturer's warranty. Please refer to the warranty card included with your purchase for specific terms and conditions, including coverage duration and service procedures.
For technical assistance, spare parts, or to schedule a service appointment, please contact Haier customer support. Contact details can typically be found on the Haier official website or in your warranty documentation.
When contacting support, please have your model number (HTW7720DNGB) and serial number ready.
