This document is a product introduction page from the official website of Haier. It contains technical parameters, specifications, and certification information of the product.
This manual provides safety guidelines, operation instructions and maintenance procedures for the Haier PJJ2-180VW solar water heater. It emphasizes the need for professional installation, proper grounding, and precautions such as filling the tank with water and antifreeze before power‑on, and mixing hot water above 50 °C with cold water to avoid burns.
Detailed sections cover the electrical schematic, technical parameters, installation steps for the collector, storage tank and controller, wiring diagrams, pipe connections, and cleaning/maintenance routines. All components must be installed by Haier‑authorized service personnel to ensure safe and reliable operation. This manual is written in Chinese.
Installation must be performed by Haier‑designated professional service personnel; the company does not assume responsibility for improper installation.
Ensure the storage tank is completely filled with water, the circulation loop contains antifreeze, and the power source is properly grounded before connecting electricity.
Water above 50 °C can cause burns; users should mix hot water with cold water before showering or washing.