1. Introduction
Welcome to the user manual for your new Hitachi 720L Side by Side 4 Door Refrigerator. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your appliance. Please read it thoroughly before using the refrigerator and keep it for future reference.
Your Hitachi refrigerator, model RWB720VUK0GMG, is designed with advanced features such as a Vacuum Compartment, Dual Fan Cooling, and a Frameless Glass Design to ensure optimal food preservation and enhance your kitchen's aesthetics.
2. Safety Information
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and injury.
- Ensure the refrigerator is connected to a properly grounded power outlet.
- Do not damage the refrigerant circuit.
- Keep ventilation openings clear of obstruction.
- Do not use mechanical devices or other means to accelerate the defrosting process, other than those recommended by the manufacturer.
- Do not store explosive substances such as aerosol cans with a flammable propellant in this appliance.
- Unplug the appliance before cleaning or performing maintenance.
3. Product Overview
The Hitachi RWB720VUK0GMG refrigerator is a French Door, side-by-side model featuring a sophisticated Glass Mauve Gray finish. It offers a total capacity of 514 liters (Net), with 363 liters for the refrigerator and 151 liters for the freezer.
3.1 Key Features
- Vacuum Compartment: Maintains approximately 0.8 atm pressure to preserve freshness.
- Inverter x Dual Fan Cooling: Provides optimal and energy-efficient cooling for both compartments.
- Selectable Zone: Customizable storage modes for different food types.
- Soft Freeze -3°C: Allows instant cooking of frozen food without defrosting.
- Automatic Ice Maker: Convenient ice production by simply filling the water tank.
- Frameless Glass Design: Elegant aesthetic with easy-to-clean tempered glass surface.
- Eco Thermo-Sensors: Two sensors (one in each compartment) for precise temperature control.
3.2 Components and Controls
Figure 3.2.1: Front view of the Hitachi 4-Door Refrigerator (Model RWB720VUK0GMG).
Figure 3.2.2: Interior layout showing the spacious compartments and organized storage.
Figure 3.2.3: Flat glass touch screen control panel for adjusting settings.
Figure 3.2.4: The Hitachi refrigerator seamlessly integrated into a kitchen environment.
4. Setup
4.1 Unpacking and Placement
- Remove all packaging materials, including tape and protective films.
- Place the refrigerator on a flat, stable surface. Ensure there is adequate space around the unit for proper ventilation (as per product dimensions: 72D x 90W x 184H cm).
- Avoid direct sunlight or heat sources.
4.2 Electrical Connection
- Connect the refrigerator to a dedicated 220 Volt power outlet.
- Do not use extension cords or adapters.
4.3 Initial Operation
- After plugging in, allow the refrigerator to stand for at least 2-3 hours before loading food. This allows the refrigerant to settle.
- The internal temperature will gradually decrease to the set level.
5. Operating Instructions
5.1 Temperature Control
Use the flat glass touch panel to adjust the temperature settings for both the refrigerator and freezer compartments. The Eco Thermo-Sensors ensure precise temperature maintenance.
5.2 Vacuum Compartment
Figure 5.2.1: Vacuum compartment for extended food freshness.
To utilize the vacuum compartment, place food items inside and close the lid. The system will automatically extract air to maintain approximately 0.8 atm pressure, preserving freshness and nutrients. Ideal for meat, fish, and dairy products.
5.3 Selectable Zone / Flexible Storage
Figure 5.3.1: Flexible storage zones within the refrigerator.
The Selectable Zone feature allows you to customize the mode settings of specific compartments based on your storage needs. Refer to the on-screen display or specific compartment labels for available modes (e.g., Chiller, Soft Freeze, Vegetable).
Figure 5.3.2: Select Case for Dry Food or Vegetable storage.
The Select Case (Dry Food - Vegetable) allows you to switch between preserving dry food or vegetables, optimizing conditions for each.
5.4 Soft Freeze -3°C Technology
Figure 5.4.1: Benefits of Soft Freeze -3°C for food preparation.
This feature allows you to store food at -3°C, keeping it soft enough to cut, portion, and cook instantly without the need for full defrosting.
5.5 Automatic Ice Maker
Figure 5.5.1: Automatic Ice Maker operation.
To use the automatic ice maker, simply fill the designated water tank with potable water. The refrigerator will automatically produce and store ice cubes.
5.6 Separate Vegetable Compartment
Figure 5.6.1: Dedicated vegetable compartments for optimal freshness.
The separate vegetable compartments maintain optimal moisture levels (approx. 90%) through indirect cooling, ensuring long-lasting freshness for your produce.
6. Maintenance
6.1 Cleaning the Exterior
The frameless glass door design is easy to clean. Use a soft cloth dampened with water and a mild detergent. Wipe dry immediately. Avoid abrasive cleaners or solvents.
6.2 Cleaning the Interior
Remove all food items and shelves. Clean the interior with a solution of warm water and baking soda or a mild detergent. Rinse and dry thoroughly before replacing items.
6.3 Defrosting
This refrigerator features a Frost Free defrost system, eliminating the need for manual defrosting.
6.4 Power Saving Tips
- Do not open the doors frequently or leave them open for extended periods.
- Ensure the door seals are clean and intact.
- Allow hot food to cool before placing it in the refrigerator.
- Keep the condenser coils at the back or bottom of the unit clean.
7. Troubleshooting
Before contacting service, please check the following common issues:
| Problem | Possible Cause | Solution |
|---|---|---|
| Refrigerator not cooling | Power cord unplugged; temperature setting too high; door not closed properly. | Check power connection; adjust temperature; ensure door is sealed. |
| Unusual noise | Refrigerator not level; items rattling inside; normal operating sounds (e.g., refrigerant flow). | Adjust leveling feet; rearrange items; normal sounds are expected. |
| Water leakage | Drain hose clogged; water tank for ice maker overflowing. | Clear drain hose; check water tank level. |
| Ice maker not producing ice | Water tank empty; water supply line blocked. | Refill water tank; check water supply. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | HITACHI |
| Model Info | RWB720VUK0GMG |
| Product Dimensions | 72 x 90 x 184 cm |
| Item Weight | 116 kg |
| Capacity (Net) | 514 Liters |
| Refrigerator Fresh Food Capacity | 363 Liters |
| Freezer Capacity | 151 Liters |
| Annual Energy Consumption | 775 Kilowatt Hours Per Year |
| Installation Type | Freestanding |
| Form Factor | Side by Side Refrigerators |
| Special Features | Flexible Storage (Selectable Zone), Soft Freeze - Choose, Fresh vegetables With Organised storage, Vacuum Compartment, Select Case (VegeDry Food), Triple Power Filter, Vacuum Insulation Panel, Premium Glass Door |
| Color | Glass Mauve Gray |
| Voltage | 220 Volts |
| Racks | 5 |
| Crispers/Drawers | 8 |
| Defrost | Frost Free |
| Door Material Type | Glass |
| Shelf Type | Glass |
| Certification | Energy Star |
| Configuration | French Door |
| BEE Star Rating | 4 Star |
9. Warranty and Support
Your Hitachi refrigerator comes with the following manufacturer warranties:
- 10-Year Manufacturer Warranty on the Inverter Compressor.
- 1-Year Manufacturer Warranty on the entire refrigerator unit.
For technical support, service requests, or warranty claims, please contact Hitachi customer service. Refer to the contact information provided with your purchase documentation or visit the official Hitachi website.
You may also consider extended warranty options available from third-party providers like Salama Care, as seen on Amazon.ae.
