The outdoor unit is not charged with refrigerant.
When connecting the pipes to unit or dismantling the pipes from the unit, do proceed as the figure shown, use spanner and torque pincers together.
For the dimension of the 
When connecting pipes, both the inner or the outside of the 
According to Table 1 to confirm the fasten torque. (fasten too tight may damage the screw nut leading to leakage)
After check if the connection pipes leaks, then perform thermal insulation treatment, as the following figure shown.
Only use seal cushion to bind the joint between gas pipe and the insulation parts.
Torque spanner
AB422BCBAA specifications
The Haier AB422BCBAA is a significant addition to the world of durable and efficient refrigerators, offering various features designed to optimize user convenience and energy consumption. This model is particularly known for its sleek design and availability in versatile color options, making it a stylish choice for contemporary kitchens.One of the standout features of the Haier AB422BCBAA is its impressive storage capacity. With multiple shelves and compartments, this refrigerator provides ample space for groceries, beverages, and meal prep items. The adjustable shelves allow users to customize the interior layout for larger items, ensuring that no space goes unused.
This refrigerator incorporates advanced cooling technologies, such as the intelligent inverter compressor, which adjusts cooling power based on the ambient temperature and internal load. This feature not only contributes to more efficient energy usage but also helps maintain optimal food preservation conditions.
Energy efficiency is a core attribute of the Haier AB422BCBAA. It is designed to meet or exceed regulatory standards, allowing users to save on electricity bills while also being eco-friendly. The refrigerator operates quietly, contributing to a peaceful home environment.
The Haier AB422BCBAA also includes a frost-free system, which eliminates the need for manual defrosting, thus saving time and effort for users. Moreover, it is fitted with a digital temperature control system, providing precise adjustments for different types of food and ensuring consistent cooling throughout the unit.
Another user-friendly feature is its LED lighting, which not only illuminates the interior well but also consumes less energy compared to traditional refrigerator lighting solutions. The door compartments provide additional storage for smaller items, making them easily accessible and organized.
Safety is a priority with Haier, and this model boasts several safety features, including a child lock function, ensuring that the refrigerator is safe in households with young children.
Overall, the Haier AB422BCBAA stands out for its combination of modern design, innovative technologies, and user-friendly features. It is an ideal choice for anyone looking for a reliable refrigerator that meets a range of storage needs while being stylish and energy-efficient.