In 1996, Kone introduced the world to its first Machine Room-Less traction elevator (MRL), and worldwide, this design has become common for mid-rise buildings. While regulations, code requirements and new product hesitation have made growth slower in the United States, we are now seeing steadily increasing installations.
The MRL elevator is attractive due to emerging technology that significantly reduces the size of the electric motors normally used with traction elevators. This gives elevator manufacturers the option to replace the large machine room used to accommodate the motor with a small, more efficient motor placed in the overhead at the top of the hoistway. Instead of accessing the machine via ladders onto a roof, it is serviced from the car top.
However, just because it is becoming a common choice doesn’t mean the MRL is the right elevator configuration for your project. Below are some of the advantages and disadvantages of MRLs to consider when looking for a new or replacement elevator.
Some of the downsides of MRL’s to consider:
The takeaway is that there are several positives and negatives when it comes to making a decision about MRL’s. Depending on the project, age and condition of your current elevator, an MRL may make sense in the long run. On the other hand, in some circumstances, a hydraulic system is superior in initial investment and long-term maintenance. Here is more info about types of elevators.
It is important to gather information before you decide, and it helps to know the amount of traffic you are expecting, the total travel distance and what, if any, environmental concerns you have when thinking about a project. To get more guidance on the decision, we recommend you get an unbiased opinion from a company that offers a wide variety of elevators, including both MRL and hydraulic options or elevator consultant. The engineers and consultants at Phoenix Modular Elevator are ready and willing to discuss all of these elevator possibilities at any time.
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