The surface of evaporator ices up when the refrigerator is working. When the frost layer is thick as 3mm, the refrigerator must be defrosted and cleaned. Otherwise, it may results in lower efficiency and high energy consumption.
Fill the 3/4 ice tray with water and then place it in the lower part of the evaporator. 
Set the temperature regulator at ‘7’.
After making ice, reset the temperature regulator to its original position. Otherwise foods may get frozen.
HR-170U specifications
The Haier HR-170U is a compact yet versatile refrigerator that caters to the needs of smaller living spaces, such as apartments, dorm rooms, and offices. Its efficient design and practical features make it a popular choice for individuals seeking reliable refrigeration without taking up too much space.One of the standout characteristics of the Haier HR-170U is its size. With a total capacity of 170 liters, it offers ample storage for all your food and beverages while maintaining a footprint that easily fits in tight corners. The sleek and modern aesthetic of the refrigerator enhances any interior, making it not just a functional appliance but also an attractive addition to your space.
This model features a traditional top-mounted freezer compartment which provides additional storage for frozen goods. The adjustable shelves in the refrigerator section allow users to customize the interior layout according to their preferences, accommodating items of various sizes with ease. The crisper drawer is a valuable feature, designed to keep fruits and vegetables fresh for a longer period by retaining moisture while reducing spoilage.
The Haier HR-170U is equipped with an energy-efficient compressor, which ensures that the appliance operates quietly while consuming less electricity. This not only helps to keep energy costs down but also reduces the overall environmental impact. A mechanical thermostat control allows users to adjust the cooling temperature according to their specific storage needs, providing flexibility and convenience.
Another notable feature is the reversible door, which allows for installation in various kitchen configurations. This versatility makes it easy to fit the refrigerator in different spaces without compromising on functionality. The interior LED light illuminates the fridge compartment, making it easy to find items even in low light conditions.
In terms of maintenance, the HR-170U is designed with simplicity in mind. The removable shelves and easy-to-clean surfaces facilitate effortless upkeep, ensuring that the appliance stays clean and hygienic.
Overall, the Haier HR-170U combines functionality, efficiency, and style in a compact package, making it an ideal choice for those who require a reliable and space-saving refrigeration solution. Its thoughtful design and practical features cater to modern living, ensuring that it meets the diverse needs of its users with ease.