1. Introduction
This manual provides essential information for the safe and efficient use, installation, and maintenance of the DZS series elevator brakes. These brakes are critical components in elevator systems, designed to ensure reliable stopping and holding of the elevator car. Please read this manual thoroughly before installation or operation.

2. Safety Information
WARNING: Improper installation, operation, or maintenance can lead to serious injury or equipment damage. Always ensure work is performed by qualified personnel.
- Always disconnect power before performing any installation, maintenance, or troubleshooting.
- Ensure all connections are secure and correctly wired according to relevant electrical codes and diagrams.
- The brake surface can become extremely hot during operation. Avoid direct contact to prevent burns.

3. Product Overview and Components
The DZS series elevator brake consists of a main brake unit and an electromagnet, which controls the braking action. Specific models may include a brake shoe and a dismantlement tool for servicing.
Key Components:
- Main Brake Unit: The primary mechanism responsible for stopping and holding the elevator.
- Electromagnet: An electrical component that engages or releases the brake mechanism.
- Brake Shoe: The friction material that contacts the braking surface.
- Dismantlement Tool: A specialized tool for disassembling certain parts of the brake for maintenance or replacement.


4. Specifications
| Attribute | Detail |
|---|---|
| Brand | DZS |
| Model Series | DZS |
| Specific Models | DZS800, DZS900, DZS165-S, DZS165-M, DZS165-L, DZS200, DZS320 |
| Origin | Mainland China (Zhejiang province, Ningbo city) |
| High-concerned chemical | None |
| Electromagnet Force (Example) | 160N (for DCS55 type) |
| Electromagnet Turns (Example) | 62T (for DCS55 type) |
| Electromagnet Stroke (Example) | 16-45mm (for DCS55 type) |
5. Installation
Installation of elevator brake systems requires specialized knowledge and adherence to strict safety regulations. It is highly recommended that installation be performed by certified and experienced elevator technicians.
General Installation Guidelines:
- Preparation: Ensure the elevator system is powered off and secured against accidental movement.
- Mounting: Securely mount the DZS brake unit to the designated location on the elevator machine, ensuring proper alignment.
- Electrical Connections: Connect the electromagnet and other electrical components according to the elevator system's wiring diagram. Verify all connections are tight and insulated.
- Adjustment: Perform necessary adjustments to the brake gap and spring tension as specified by the elevator manufacturer to ensure correct braking force and release.
- Testing: After installation, conduct thorough testing of the brake system in accordance with elevator safety standards before returning the elevator to service.

6. Operation
The DZS elevator brake operates automatically as part of the elevator control system. Its primary function is to hold the elevator car stationary when it is not in motion and to provide emergency stopping capabilities if required.
- When the elevator is at a standstill, the brake is typically engaged, holding the car securely.
- When the elevator motor receives a command to move, the electromagnet is energized, releasing the brake and allowing the car to move.
- Upon reaching the desired floor or in case of a power failure/emergency stop, the electromagnet de-energizes, engaging the brake and stopping the car.
7. Maintenance
Regular maintenance is crucial for the longevity and safe operation of the DZS elevator brake. All maintenance should be performed by qualified technicians.
Recommended Maintenance Tasks:
- Routine Inspection: Periodically inspect the brake for signs of wear, damage, or loose connections. Check brake shoes for adequate thickness and replace if worn.
- Cleaning: Keep the brake unit free from dust, dirt, and debris. Ensure the braking surfaces are clean and dry.
- Adjustment Checks: Verify that the brake gap and spring tension are within the manufacturer's specifications. Adjust as needed.
- Electrical Checks: Inspect wiring and connections for corrosion or damage. Test the electromagnet's functionality.
- Lubrication: Apply appropriate lubricants to moving parts as recommended by the elevator system manufacturer.
8. Troubleshooting
If the elevator brake exhibits abnormal behavior, consult a qualified technician immediately. Do not attempt repairs if you are not trained and authorized.
Common Issues and Potential Causes:
| Symptom | Possible Cause | Action (by qualified technician) |
|---|---|---|
| Brake not releasing | Faulty electromagnet, incorrect wiring, excessive brake gap | Check electromagnet, inspect wiring, adjust brake gap |
| Brake not holding | Worn brake shoes, insufficient spring tension, oil/grease on braking surface | Replace brake shoes, adjust spring tension, clean braking surface |
| Excessive noise during braking | Worn components, misalignment, foreign objects | Inspect for wear/misalignment, remove debris |
| Overheating | Continuous brake engagement, electrical fault, insufficient cooling | Check control system, inspect electrical components, ensure proper ventilation |
9. User Tips
No specific user tips are available from customer reviews or Q&A at this time. Always refer to the detailed instructions provided by your elevator system manufacturer for specific operational advice.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please contact your original seller or distributor. Ensure you have your product model number and purchase details available when contacting support.