Core contents of specification:

First, scope of application, passenger/goods/escalators used ≥15 years, with serious safety hazards, low energy efficiency;

Second, renewal classification, comprehensive renewal (complete machine replacement), core component renewal (traction machine/control system/safety components), energy-saving intelligent upgrade three categories;

Third, safety bottom line, after renewal must comply with current latest national standards, safety components 100% replaced, energy efficiency ≥ E3 level;

Fourth, technical requirements, permanent magnet synchronous traction machine, energy feedback, intelligent monitoring, multi-modal elevator control mandatory standard;

Fifth, construction specification, modular construction, night/staggered operation, minimal disturbance, period 7-15 days;

Sixth, acceptance standard, safety performance, energy efficiency index, comfort, intelligent function full inspection, pass supervision inspection before use;

Seventh, maintenance requirements, 5-year warranty after renewal, maintenance cycle 15 days/time, included in IoT monitoring.


This specification provides authoritative technical basis for old elevator renewal, national subsidy application.