The WRT UZS-2120S3 is a visual intercom unit that can be used in single‑family homes, villas, and community buildings. It supports up to 238 main stations and 5 wall stations, offers video call, remote unlocking, and emergency alarm functions, and can be mounted on walls using either a mirror or aluminum panel front.
The guide provides step‑by‑step installation instructions, including mounting height recommendations, wiring diagrams, connection of alarm and door‑bell buttons, and troubleshooting tips. It also outlines safety precautions such as avoiding installation in direct sunlight, moisture, or high‑temperature environments. This manual is written in Chinese.
| Maximum main stations | 238 |
|---|---|
| Maximum wall stations | 5 |
| Maximum intercom units per household | 4 |
| Recommended mounting height | 145 cm |
The intercom should be installed at a visual height of about 145 cm.
The system can connect up to 238 main stations and 5 wall stations.
No, it should not be installed in direct sunlight, rain, high temperature, snow, or dusty environments.