Classroom on demand

Welcome to Classroom on demand, your source for educational materials related to the vertical transportation industry. This site represents the knowledge and expertise of the best engineers and mechanics in the elevator industry, and will help those new to the elevator industry learn about the basic workings of elevator systems, and also will serve as a reference for people with more experience.

Machine Room-Less (MRL) Elevator

Initials for Machine Room-Less elevator. There is no dedicated machine room space. Machines and governors are located in the hoistway and controllers are located in proximity to the exterior front wall of the hoistway

Tags:  traction MRL machine


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