Elevators, as indispensable vertical transportation tools in buildings, are constantly evolving in technology. Among the mainstream elevator types in the market, machine room (MR) elevator and machine roomless (MRL) elevator each have their unique characteristics and applicable scenarios. This article will provide a comparative analysis of these two elevator types from multiple dimensions to help you make a better choice.
Full name:
MR elevator: Machine Room Elevator
MRL elevator: Machine Roomless Elevator
I. Structure and Principle
MR elevator refers to elevator systems with independent machine rooms. The machine room is usually located above or beside the elevator shaft, housing key components such as the elevator's drive motor, control cabinet, and speed governor. In contrast, MRL elevator eliminates the need for a separate machine room design, installing the drive motor, control cabinet, and other components directly within the elevator shaft, thus saving on machine room space.
II. Analysis of Advantages and Disadvantages
1. MR Elevator
Advantages
Stable Operation: With a more complete control and balance system, MR elevator operates more stably, providing a better riding experience.
Easy Maintenance: The machine room provides sufficient space for maintenance, making elevator repairs and upkeep more convenient.
Aesthetic Appeal: The machine room can be hidden within the building, not affecting the building's exterior appearance.
Disadvantages
High Construction Cost: The need for an additional machine room increases construction costs.
Large Occupied Space: The machine room requires a certain amount of building space, which may be inconvenient for buildings with limited space.
2. MRL Elevator
Advantages
Low Construction Cost: No machine room is required, reducing construction costs.
Small Occupied Space: Installing the drive motor and other components directly in the shaft saves on machine room space.
Energy Efficiency and Environmental Protection: Advanced drive technology and control systems enable more energy-efficient and environmentally friendly operation.
Disadvantages
Difficult Maintenance: With the drive motor and other components installed in the shaft, maintenance can be relatively challenging.
Relatively Poor Operational Stability: Without the stable control and balance system provided by a machine room, the elevator's operation may be relatively unstable.
III. Price Comparison
In terms of price, MRL elevators is typically cheaper than MR elevator due to their simpler design and manufacturing process, which eliminates the additional cost of a machine room. However, this does not necessarily mean that MRL elevator offers a higher cost-performance ratio. Price considerations also include factors such as elevator performance, quality, and maintenance costs. For instance, the higher cost of the traction machine in MRL elevator may result in a higher overall cost when compared to a MR elevator with the same specifications in buildings that can accommodate both.
● Differences in Equipment Costs
MR elevator require an additional machine room for installing elevator control systems and related equipment, leading to higher equipment costs. This includes the construction cost of the machine room and the cost of purchasing equipment within it.
MRL elevator, on the other hand, do not require a dedicated machine room, as their control systems and other equipment are directly installed in the elevator shaft, resulting in lower equipment costs.
● Differences in Installation Costs
The installation of MR elevator involves various steps such as the construction of the machine room, shaft construction, elevator installation, and debugging, leading to higher installation costs. This includes labor costs, material costs, and construction duration.
The installation of MRL elevator is relatively simpler, as it eliminates the need for machine room construction, resulting in lower installation costs.
● Differences in Maintenance Costs
The maintenance of MR elevator involves multiple aspects, including the maintenance of equipment in the machine room, shaft maintenance, and elevator maintenance, leading to higher maintenance costs.
The maintenance of MRL elevator mainly focuses on the elevator itself. As the control system and equipment are integrated within the shaft, maintenance is relatively simpler, resulting in lower maintenance costs.
IV. Applicable Occasions
MR elevator is suitable for places with high demands on elevator stability and riding experience, such as high-end office buildings and hotels.
MRL elevator is more suitable for spaces with limited space and high cost requirements, such as residential buildings and villas.
V. Key Selection Points
● Building Structure
If the building has sufficient space and high demands on elevator stability and aesthetics, a MR elevator is a good choice.
If the building has limited space and strict cost control, a MRL elevator is a better option.
● Usage Needs
If the elevator needs to carry heavy loads or is frequently used, the stability and reliability of a MR elevator are higher.
If the elevator is mainly used in homes or small commercial spaces with low usage frequency, a MRL elevator can meet the demand.
● Cost Budget
Generally speaking, the cost of a machine room elevator is higher than a machine roomless elevator due to the additional cost of the machine room.
With a limited budget, a machine roomless elevator is a more economical choice. However, if the building is already completed and both types of elevators can be installed, a machine room elevator may offer a better price advantage.
● Maintenance Convenience
Maintenance of machine room elevator is relatively convenient as the machine room provides sufficient space for repairs.
Maintenance of machine roomless elevator is more challenging, requiring specialized technicians to enter the shaft for inspection and repairs.
Both machine room elevator and machine roomless elevator have their advantages, disadvantages, and suitable applications. Machine room elevator offers stable operation, convenient maintenance, and aesthetic appeal but come with higher construction costs and space requirements. Machine roomless elevator offers lower overall costs, smaller space requirements, and energy efficiency but face challenges in maintenance and stability. Therefore, when choosing an elevator, comprehensive consideration should be given to actual needs and usage scenarios to select the most suitable elevator type.
FUJI Elevator Company, a globally renowned elevator manufacturer with over 20 years of export experience, has elevators exported to over 100 countries worldwide. Our machine room elevator is stable and reliable, while our machine roomless elevator is economical and efficient, meeting various building needs. With the strength of a large company, FUJI Elevator provides high-quality products with competitive prices, earning widespread praise from global customers. We are committed to providing customers with excellent elevator solutions, making every ride a comfortable experience.
You May Want To Know
1. How long is the quality assurance period for FUJI elevator?
The quality assurance period starts from the completion and acceptance of the elevator installation, and is usually one year. You can also choose to extend the warranty period, but the cost will increase accordingly.
2. What are the options for Fuji elevator's shaft size and door opening methods?
FUJI elevator offers various specifications ranging from 1800×2100mm to 3200×2100mm to fit different building structures and spatial sizes. The door opening methods include center-opening 2P/4P/6P, side-opening 2P/3P, etc., which can be customized according to customer needs and actual dimensions.
3. What additional functions do elevators have besides the basic up and down functions?
In addition to the basic up and down functions, FUJI elevator also has a series of well-designed additional functions to ensure a safe and comfortable riding experience for you. Here are the detailed introductions of these additional functions.
1) Safety Protection Functions
● Automatic stop during fault: The elevator will automatically stop at the nearest floor and open the door when a fault occurs between floors, ensuring passenger safety.
● Rescue operation when door cannot open: When the hall door cannot be opened normally due to foreign objects, the elevator will operate to the adjacent floor to facilitate passenger exit.
● Overload alarm: When the elevator exceeds 110% of its load capacity, a warning sound will be emitted and the door will be prevented from closing.
2) Intelligent Control Functions
● Driver operation: Allows the driver to control the elevator's response and travel direction.
● Exclusive operation: The elevator only responds to the floor selection inside the car and is not affected by calls from the waiting hall.
● Multiple safety systems: Including brake force detection, anti-slip protection, etc., to ensure safety in all aspects.
3) Non-contact operation
Utilizing human body sensing and voice sensing technology, passengers can call the elevator without touching buttons, reducing the risk of cross-infection.
4) Cabin environment optimization
● UV disinfection, negative ion disinfection: Providing a clean riding environment.
● Cabin ventilation system: Cross-flow fans ensure air circulation inside the cabin.
5) Intelligent management
● Elevator operation data monitoring: Real-time monitoring of elevator operation status to detect and address potential issues promptly.
● Remote fault diagnosis: Quick fault location and repair through remote technology.
6) Customized services
FUJI elevator provides customized services and can add specific additional functions such as face recognition, fingerprint recognition, etc., according to customer needs.
4. What is the technical support response time if the elevator malfunctions?
FUJI elevator provides 24/7 emergency response services. Once a fault report is received, we will respond within 30 minutes. Customers can contact our sales and customer service team at any time, and the after-sales team will respond promptly and dispatch personnel to the scene for troubleshooting if necessary.
5. What does the elevator quotation include?
The quotation for FUJI elevator mainly includes the following components:
Equipment cost: Includes the cost of elevator components such as the mainframe, control system, car, and door operator. For example, EXW price.
Transportation cost: The cost of transporting the elevator from the production site to the destination port, usually calculated based on the actual location and transportation method. Such as FOB, CIF, CNF, CFR, etc.
Quotations can be provided according to customer needs.