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OTIS 4000 SERIES
The OTIS4000 series is represented by two models, the OTIS4100 and the OTIS4200. These two distinct models have been developed for two different markets. OTIS4100 is designed for an emerging gearless market typically characterized by low-cost high-rise residences and Grade B office buildings, and OTIS4200 is fit for a luxury market characterized by Grade A office buildings and apartments, luxury hotels and restaurants, high-level complex buildings and constructions for professional uses. These two models are differentiated by components, ride quality, features, fixtures, and finishes.

The OTIS4000 series is specifically engineered for the Asia-Pacific markets, and the strict requirements of customers in this region. The product was jointly developed by Otis Engineering Headquarters in Farmington, U.S.A. and Otis China Engineering Center.

By incorporating OTIS' proven world-class technologies, quality craftsmanship, and relentless drive to producing the safest transportation equipment in the world, the OTIS4000 series exceeds the general standards of excellence in the high-speed gearless market.
PRODUCT KEY FEATURES
PM Gearless Traction Machine






  • Compact design and less weight in comparison with the other types of machine.
  • Low speed-high torque and high transmission efficiency achieves wider speed range and smooth ride.
  • Double disk brake system achieves safety, reliability and smooth deceleration.
  • Higher energy efficiency.
  • Easy to maintain

(PM138 OTIS 4200 is standard)
Gearless Traction Machine







  • Globally there are more than 2,000 units of 156MST gearless machines serving customers
  • Low call-back-rate
  • Sophisticated design
  • More reliable with higher

(156MST OTIS4100 is standard)
Performance and Comfort






  • VF closed-loop vector control drive technology provides exceptional ride quality, regardless of load.
  • The speed control unit monitors the car speed and distance throughout the flight. By comparing the speed with an online calculated profile, fine adjustments are made to the voltage and frequency, giving a very smooth ride. Parameters for acceleration an declaration are fully adjustable.
  • Improved sound insulation through use of special components and sound proof cabinets.
  • Pulse Width Modulation – The voltage and frequency of the AC power supplied to the drive is adjusted in real-time to ensure that the optimum torque is obtained from the drive motor at all points in the designed speed profiles, giving total and precise control of car motion which decreases waiting time and reduces energy consumption.
  • Improved group architecture with a ring concept – each car controller acts as a group controller – full group operation is maintained as long as at least two cars are in normal operation.
Speed control




  • The speed control unit monitors the car speed and distance throughout the flight.
  • Parameters for acceleration and deceleration are fully adjustable.
Door system

  • The door system has significant impact on elevator performance and passenger comfort. The Otis 4000 door system is designed for high-end applications with strict requirements for intelligence, performance, comfort, and reliably.
  • Built for performance and flexibility, it is capable of managing traffic requirements associated with commercial buildings, residential buildings, and hotels.
    • Intelligent Operation
    • Reliability
    • Consistent and Accurate Performance
    • Comfort
  		 
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