This manual is a user manual for CH-S041M CH-S061M CH-S081M CH-S101M concealed hanging air supply fan. It mainly introduces the functions, usage methods and precautions of the product.
The manual offers safety guidelines, step‑by‑step installation procedures, wiring diagrams, and operating instructions for the listed wind‑machine models. It also contains troubleshooting tips, routine maintenance schedules, and technical specifications to help users keep the equipment running efficiently. This manual is written in Chinese.