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A ubiquitous mode of transport in urban environments, escalators move large numbers of people from level to level in structures ranging from department stores and shopping centers to hotels, airports, and railway stations.
Since escalators operate continuously for extended periods under various conditions, reducing the energy they consume helps prevent from global warming.
The VX Series escalators have various functions for safe, efficient, and energy-saving operation depending on the use according to the passenger load.
Skirt guard lighting that lights up passengers' feet, and handrail lighting that enhances building design. To save energy, the VX Series escalators use LEDs for all lighting, including comb lighting. In addition to the standard white, other color options (4 colors) are available for LEDs.
The VX Series escalators also offer the automatic turn-off system (option) that turns off handrail lighting and skirt guard lighting when carrying no passengers to reduce power consumption.
LED＋Automatic Turn-Off System*3
Since the launch in 2008, the VX Series escalators offer various energy-saving operational functions to support efficient operation based on the industry's first Eco-Mode operating system as a basic specification.
Eco-Mode cuts power consumption by detecting the weight of the passengers riding the escalator at any given moment. The function automatically slows the escalator when it carries fewer passengers. Operating an escalator at high speed consumes more power; the key to saving energy lies in determining how to reduce escalator speed.
A slower escalator saves energy but is less convenient for passengers. Extensive user surveys indicate that the optimal speed—a speed that's energy-efficient without giving passengers the impression the escalator is running slowly—is 25 m/min.
Once set to Eco-Mode, the escalator runs at 30 m/min during busy times and 25 m/min when few passengers are using the escalator.
The escalator is also available with two optional functions that achieve even greater energy savings.
This function runs the escalator at a slow 10 m/min when carrying no passengers. When a sensor detects an approaching passenger, the escalator gently accelerates to 30 m/min. When no passengers use the escalator for a specified duration, the escalator returns to the slower speed of 10 m/min, thereby reducing energy use.
This is ideal for sites with relatively low but steady volumes of traffic flow.
This function halts the escalator completely when not in use, then automatically restarts the escalator when sensors that incorporated in the pole with the direction indicator installed before the first step of the escalator detect a passenger. The escalator shuts down once again when no passengers are detected for a specified duration.
This feature halts the escalator when no passengers are present, delivering major energy savings.
This function is ideal for locations, such as railway platforms, where the flow of passengers tends to be intermittent.
We also provide a wide range of environmentally-conscious options to bring existing escalators up to current standards. This includes an extensive menu of options for specific needs, ranging from partial upgrades to dismantle and rebuilds.
ESUKAINTORASU, a recognized technique for modernizing existing escalators without scrapping the escalator truss, makes the most of existing resources.
(The truss is the frame that supports the escalator.)
ESUKAINTORASU allows new components to be installed while leaving the existing truss in place. Reusing the existing truss reduces scrap volumes by about 1,000 kg(*3).
This approach also reduces the time required for the upgrade. In one case, work that might have required 45 days by previous techniques was completed in 15 days.
Another alternative worth considering is control system modernization. This simply replaces the components used for escalator control, including drives and control panels.
Limiting work to the replacement of certain parts means work can be completed faster, making it ideal for upgrading commercial buildings.
At the 7th Eco-Products Awards, Hitachi won the Minister's Prize awarded by the Ministry of Economy, Trade and Industry in the eco-products category for “environmentally-conscious escalators and environmentally-conscious escalator modernization methods.” The award recognizes ESUKAINTORASU as an environmentally-conscious technique for upgrading and modernizing escalators. The award also recognizes the energy savings achieved by functions that detect how the escalator is used and control escalator speed accordingly.