The document introduces the application of a new type of energy storage device, which is a new type of energy storage device based on lithium-ion batteries. The new type of energy storage device has the advantages of high energy density, high power density and long cycle life. The document also introduces the application of the new type of energy storage device in the field of electric vehicles.
This document describes the NKT12(1-1) elevator intercom system, its features, and how it is used for emergency and regular communication inside elevators. It explains the system layout, including master and auxiliary intercom units installed in the machine room, car‑top, and pit.
Key sections cover operation procedures, technical parameters, power requirements, detailed installation steps, wiring diagrams for both branching and bus‑organized configurations, and a troubleshooting guide for common problems. This manual is written in Chinese.
| Working voltage | DC 12V |
|---|---|
| Call distance | 3000 m |
| Ring level | 60 dB |
| Noise voltage | 10 MV |
| Maximum power dissipation | 2 W |
| Environment temperature | -40 °C to 60 °C |
| Relative humidity | 30 %–95 % |
| Environment noise | 60 dB |
| Number of wiring | 4‑core normal cable, 0.75 mm |
Press the Emergency Call button on the carriage control panel; the master intercom will buzz and you can pick up the headphone to communicate.
The system operates on a DC 12 V power supply.
The intercom can communicate up to 3000 m.
Four lines (DC12V, GND, R, L) are connected in parallel between each master intercom and its extensions.