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Roller door opener：
YONG HONG has three series roller door opener. The openers also have the two functions: obstruction reverse, soft start and soft stop.
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YHDO-I, 250N lift force
Driven by a reliable DC motor, with nylon structure and added security features, it represents value for money and quality for all shed and carport situations.
Features:
1. Powerful and quite DC motor, quick installation
2. Auto Reverse Protection System
3. Auto light delay
4. Rolling Code Technology
5. Mechanical limits positioning
6. Manual release in case of power failure
7. Backup battery
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Download：
roller door opener YHDO-1.rar |
YHDO-Ⅲ，350N lift force
Driven by a reliable DC motor, with nylon structure and added security features, it represents value for
money and quality for all shed and carport situations.
Features:
1. Powerful and quiet DC motor, quick installation
2. Auto Reverse Protection System
3. Auto light delay
4. Rolling Code Technology
5. Mechanical limits positioning
6. Manual release in case of power failure
7. Can be with battery backup, receiver, infrared sensor
8. The cotrol box is waterproof, safe for the internal PCB
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Download：
roller door opener YHDO-3.pdf |
YHDO-Ⅳ
Electric limiting, 500N lift force
Australian design for soundless rollup door, Switch power, Waterproof design, Drive unit and Control system together.
Features:
1. 100-260Vac, 50Hz, rolling code 433.92 MHz, 500 Newton Motor.
2. Soft Start and Soft Stop for smoother operation.
3. Mechanical or Electrical Limits Setting.
4. Independently adjustable opening and closing force.
5. LED brilliant lighting system.
6. Suitable for shaft mounting. |
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中文版 
