Put suspending bracket on the suspending bolt. Be sure to use nut and washer at both ends of the bracket.
As for the dimensions of ceiling hole, see paper pattern. Ask your real estate dealer for details.
Center of the hole is marked on the paper pattern.
Mount paper pattern 
Watert pump and flating switch is installed inside indoor unit, check four corners of the unit for its level using horizontal compartor or PVC tube with water. (If unit is tilting against the direction of water drainage,
Put suspending bracket on the suspending bolt. Be sure to use nut and washer at both ends of the bracket. Fix the bracket firmly.AB282ACERA, AB482ACEAA, AB242ACEAA, AB362ACERA, AB362ACEAA specifications
The Haier AB182ACERA, AB282ACEAA, AB242ACERA, AB522ACERA, and AB182ACEAA are part of Haier’s cutting-edge air conditioning series, known for their energy efficiency and innovative features. Each model is designed to provide optimal comfort while utilizing advanced technologies to ensure a pleasant indoor environment.Starting with the Haier AB182ACERA, this model is ideal for smaller spaces, offering a cooling capacity of 1.5 tons. It is designed with an inverter compressor that regulates energy usage according to the room's cooling requirements, leading to substantial energy savings. The model includes a microchannel heat exchanger, enhancing heat transfer efficiency and reducing refrigerant usage, making it eco-friendly.
The AB282ACEAA variant is slightly more powerful, designed for medium-sized rooms with a cooling capacity of 2 tons. One of its standout features is the smart control technology that allows users to operate the air conditioner via a mobile app, enabling remote operation and monitoring. Furthermore, it includes a four-way swing feature that allows airflow to be distributed evenly throughout the room.
For those looking at versatility, the Haier AB242ACERA offers multiple modes including cooling, heating, and dehumidification. This model emphasizes user comfort with its whisper-quiet operation, making it suitable for bedrooms and study areas. It also boasts a robust air filtration system that captures dust and allergens, promoting a healthier living environment.
The AB522ACERA stands out in the series with its powerful 2 ton capacity, making it ideal for larger spaces. This model features advanced AI technologies that learn user preferences over time, optimizing performance for maximum comfort. With a sleek design, it blends well with modern interiors, while its energy-efficient operation assists in lowering utility costs.
Lastly, the Haier AB182ACEAA offers a balance of power and efficiency. Equipped with a next-generation inverter compressor and a user-friendly interface, it allows for easy temperature adjustments. The unit excels in quiet performance and energy conservation, providing a perfect solution for residential or small commercial settings.
Overall, Haier’s air conditioning lineup exemplifies innovation and functionality, catering to diverse cooling needs with features such as smart control, eco-friendly technologies, and enhanced air quality systems. These models are a testament to Haier's commitment to creating intelligent home solutions that offer comfort without compromise.