This manual provides installation, operation, wiring and specifications for the XL-MNB401/A four‑wire elevator intercom system.
The document describes the four‑wire elevator intercom system, including the master intercom, auxiliary intercoms for the carriage, and external extension units. It explains how the system is used for emergency communication and multi‑party calls within an elevator shaft.
Key sections cover installation steps, wiring diagrams, operating procedures, indicator light behavior, and technical parameters such as power supply voltage and environmental limits. The manual also includes guidelines for wire selection and shielding in noisy environments. This manual is written in Chinese.
| Working voltage | DC12V (6V) |
|---|---|
| Ring level | ≥70 dB |
| Noise voltage | ≤10 mV |
| Environment temperature | -40 ℃ to 70 ℃ |
| Environment noise | 60 dB |
| Relative humidity | 20 % to 95 % |
| Number of wiring | 4 |
The elevator intercom system uses four wiring lines.
The master intercom must be supplied with DC12 V (or DC6 V as an alternative).
Press the reset key to extinguish the indicator light.
The ring level must be at least 70 dB.