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Harnessing the best of Hitachi technology, we derive immense pleasure in delivering eco-friendly refrigerators through proprietary technologies.
Its unique Platinum Catalyst found in both the Vacuum and Aero-care Vege Compartments, helps sustain freshness of stored food. Other complementary features like Vacuum Insulation Panels and advanced Frost Recycling Cooling* work in synergy for greater energy efficiency.
Hitachi Made in Japan refrigerators exude external aesthetic beauty and are also made for the intelligent and innovative homes of the future.
With Hitachi, you’ve got it made.
* Moisture Cooling for R-KWC/KW570K, R-HW610J and R-HW530J.
The secret to longer-lasting freshness is reduced oxygen levels. Hitachi’s original preservation extracts air to maintain approx. 0.8 atm of vacuum preservation. With unique Platinum Catalyst, chilled meat, fish and dairy products are kept fresh and nutritious, and ready to cook.
Stay healthy. A vacuumed environment prevents oxidisation and retains nutrients inside the food.
Initial Value
0.45g/100g
100%
Refrigerator
Compartment
57%
Vacuum
Compartment
71%
**1 Tested by Hitachi. Tested Model : R-WX74K (equivalent model to R-ZXC/ZX740K). The effect may differ depending on types or freshness of food stored, and does not extend to best-before and expiration dates.
Stay healthy. A vacuumed environment prevents oxidisation and retains nutrients inside the food.
Initial Value
49.9mg/100g
100%
Refrigerator
Compartment
71%
Vacuum
Compartment
84%
Initial Value
97.3mg/100g
100%
Refrigerator
Compartment
90%
Vacuum
Compartment
95%
**1 Tested by Hitachi. Tested Model : R-WX74K (equivalent model to R-ZXC/ZX740K). The effect may differ depending on types or freshness of food stored, and does not extend to best-before and expiration dates.
Stay healthy. A vacuumed environment prevents oxidisation and retains nutrients inside the food.
Initial Value
97.3mg/100g
100%
Refrigerator
Compartment
90%
Vacuum
Compartment
95%
Excellent freshness preservation with Hitachi technology for keeping sashimi fresh.
Vacuum Compartment : 17.9%
Initial Value : 12.0%
Vacuum Compartment : 45.3%
Initial Value : 38.1%
**2 Tested by Hitachi. Tested Model : R-WX74K (equivalent model to R-ZXC/ZX740K). K-value is an indication of freshness. The lower the value, the fresher the item. K-value of 20% or higher is not suitable for eating raw and K-value of 60% or higher is not suitable for consumption. The effect may differ depending on types or freshness of food stored, and does not extend to best-before and expiration dates.
Excellent freshness preservation with Hitachi technology for keeping sashimi fresh.
Vacuum Compartment : 45.3% Initial Value : 38.1%
Excellent preservation of original flavour and texture, by minimising the drips while keeping them fresh without getting frozen and hydrated without the need for troublesome wrapping.
Freezer Compartment
(Natural Thaw)
Vacuum Compartment
Refrigerator Compartment
Vacuum Compartment
**1 Tested by Hitachi. Tested Model : R-WX74K (equivalent model to R-ZXC/ZX740K). The effect may differ depending on types or freshness of food stored, and does not extend to best-before and expiration dates.
Excellent preservation of original flavour and texture, by minimising the drips while keeping them fresh without getting frozen and hydrated without the need for troublesome wrapping.
Refrigerator Compartment
Vacuum Compartment
Quick seasoning is made possible because the Vacuum Compartment removes air from stored food, enabling seasoning to be absorbed at a faster rate.*3 So, with less time required for seasoning and cooking, there’s more time for eating!
Marinated Seasoning
Rehydration
**3 Tested by Hitachi. Tested Model : R-G6700D (equivalent atmospheric pressure to R-ZXC/ZX740K). Penetration rates may differ depending on food seasoning used.
Hitachi innovation at its finest and most consistent : the sealed pressure-resistant vacuum realises and maintains the vacuumed environment. A vacuum pump extracts air and reduces oxygen to achieve approx. 0.8 atm (atmospheric pressure) throughout usage.
* Vacuum means the space where the pressure is lower than the atmospheric pressure. The pressure in the Vacuum Compartment is about 0.8 atm, which is lower than the atmospheric pressure, hence, Hitachi considers this a vacuum.
Now, you can truly chill. Store your food without freezing by selecting a suitable temperature for the stored items, and help prevent deterioration of flavours and texture.
The lower 2 shelves are kept at approx. 2°C. This is lower than the regular refrigerator temperature, so your items stored here retain their freshness. The sensor detects temperature changes and adjusts the cooling power to maintain the 2°C temperature in the right lower compartment.*
* Tested by Hitachi. The effect may differ depending on conditions and amount of food stored.
The uniquely-designed compartment sustains freshness and nutrients of the vegetables and fruits with Platinum Catalyst. In addition, the improved airtight seal of compartment increases and controls humidity.
Under the power of a Platinum Catalyst, food achieves amazing results. With increased carbon dioxide produced, vegetable respiration is controlled and consumption of nutrients from the environment limited to prevent loss of food freshness.
Moist Vege Compartment
without Platinum Catalyst
Aero-care Vege Compartment
with Platinum Catalyst
* Tested by Hitachi. Test model for Aero-care Vege Compartment : R-WX74K (equivalent model to R-ZXC/ZX740K), for Moist Vege compartment : R-G6700D. The effect may differ depending on types and amount of food stored.
Under the power of a Platinum Catalyst, food achieves amazing results. With increased carbon dioxide produced, fruit respiration is controlled and consumption of nutrients from the environment limited to prevent loss of food freshness.
Initial Value
78.2mg/100g
100%
Moist Vege
Compartment
84%
Aero-care Vege
Compartment
92%
Initial Value 78.2mg/100g
100%
Moist Vege Compartment
84%
Aero-care Vege Compartment
92%
* Tested by Hitachi. Test model for Aero-care Vege Compartment : R-WX74K (equivalent model to R-ZXC/ZX740K) , for Moist Vege compartment : R-G6700D. The effect may differ depending on types and amount of food stored.
Delicious Freezing technology seals in the original textures, flavours and nutritional value of fresh and cooked products. This is achieved by freezing food very quickly past the maximum ice crystal formation zone on a big aluminium tray.
When the Temperature Sensor detects the temperature of hot food, it will automatically switch the setting and freeze it very quickly to past the maximum ice crystal formation zone. This minimises dripping by reducing ice crystal size, thus sealing in flavours of meat and fish.
Regular Freezing
(Natural Thaw for 4 Hours)
Delicious Freezing
(Natural Thaw for 4 Hours)
* Tested by Hitachi. Tested model for Delicious Freezing : R-XG6700G (equivalent model to R-WX670K). The effect differs depending on the models and conditions.
When the Temperature Sensor detects the temperature of hot food, it will automatically switch the setting and freeze it very quickly to past the maximum ice crystal formation zone. This achieves greater Vitamin C preservation.
(mg/100g)
Raw Broccoli
Initial Value
149.8mg
Regular Freezing
94.7mg
Delicious Freezing
115.0mg
(mg/100g)
Raw Broccoli Initial Value
149.8mg
Regular Freezing
94.7mg
Delicious Freezing
115.0mg
* Tested by Hitachi. Tested model for Delicious Freezing : R-XG6700G (equivalent model to R-WX670K). The effect differs depending on the models and conditions.
When the Temperature Sensor detects the temperature of hot food, it will automatically switch the setting and freeze it very quickly to past the maximum ice crystal formation zone. This prevents deterioration of food quality.
Gelatinization Degree (%)
Freshly-cooked Rice
100%
Regular Freezing
93.3%
Delicious Freezing
94.7%
Gelatinization Degree (%)
Freshly-cooked Rice
100%
Regular Freezing
93.3%
Delicious Freezing
94.7%
* Tested by Hitachi. Tested model for Delicious Freezing : R-XG6700G (equivalent model to R-WX670K). The effect differs depending on the models and conditions.
VIP is a thin vacuum-insulated panel with extremely high heat insulation performance. It achieves super energy saving compared to conventional urethane, by preventing external heat entry or internal cold air escape.
In Frost Recycling Cooling, chilled air is generated by frost formed in the evaporator. This is recycled by being sent to every compartment to cool down – even when the compressor is not running. Through such a system, energy consumption is reduced.
Auto Door technology provides a delightfully-easy door opening experience like never before. Even if the refrigerator and freezer are fully packed, doors can be opened automatically just by touching a button.
One Door Opens with a Touch
Slide Your Finger and Both Doors Open
Auto Drawers
The heights of top two tempered glass shelves and the door pockets can be adjusted to match the size of the food items and your needs.
| Gross Capacity (L) | Total : 722 |
|---|---|
| Refrigerator Compartment : 319 | |
| Vacuum Compartment : 44 | |
| Vegetable Compartment : 126 | |
| Freezer Compartment (Upper + Lower + Ice) : 233 | |
| Storage Capacity (L) | Total : 525 |
| Refrigerator Compartment : 317 | |
| Vacuum Compartment : 16 | |
| Vegetable Compartment : 85 | |
| Freezer Compartment(Upper + Lower + Ice) | |
| Cooling System | Frost Recycle Cooling : 107 |
| Multi valve Control | |
| Inverter Compressor | |
| Eco Intelligent Control | |
| Refrigerant : R600a | |
| Vacuum Insulation Material | |
| Refrigerator Compartment | Vacuum Compartment : Platinum Catalyst with Ruthenium |
| Sensor Cooling (3rd & 4th Shelves) | |
| LED Lighting | |
| Tempered Glass Shelf (Upper 2 shelves) | |
| Height Adjustable Pockets | |
| Height Adjustable Shelves | |
| Automatic Ice Making Compartment |
Independent Ice Storage |
| Quick Ice Making | |
| Automatic Cleaning Function | |
| Water Filter | |
| Stop Ice Making | |
| Detachable Function : Ice Tray | |
| Signal for Water Supply | |
| Upper Freezer Compartment | Aluminum Tray |
| Lower Freezer Compartment |
Aluminum Tray （Top） |
| Delicious Freezing （Top） | |
| Auto Drawer | |
| 3-layer Freezer Case | |
| Vegetable Compartment |
Aero-care Vegetable Compartment : Platinum Catalyst with Ruthenium |
| Aero-care Vegetable Compartment (with Moisture Cover) |
|
| Auto Drawer | |
| 2-layer Vegetable Case : Upper & Lower | |
| Other Features | Triple Deordorization Filter |
| Lifestyle Memory Control | |
| Control Panel (Touch Screen Controller) | |
| Door-Opened Alarm : Refrigerator Compartment / Ice Making Compartment / Upper Freezer Compartment / Lower Freezer Compartment / Vegetable Compartment | |
| Weight (kg) | 134 |
| Dimensions (WxHxD)(mm) | 825 x 1833 x 728 |
| Body Color | Crystal Black (XK) Crystal White (XW) |
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