The Watson Marlow Qdos 120 is a high-performance, chemical metering pump designed for accurate and versatile dosing applications. Known for its precision, it offers flow rates from 0.1 to 2000 ml/min, making it ideal for water treatment, manufacturing, and laboratory settings. Refer to the manual for detailed specifications and installation guidance.
1.1 Overview of the Qdos 120 Pump
The Watson Marlow Qdos 120 is a highly accurate and versatile chemical metering pump, ideal for precise dosing applications. With flow rates ranging from 0.1 to 2000 ml/min, it is suitable for industries such as water treatment, chemical processing, and laboratory settings. The pump features a compact design and is part of the Qdos series, which includes models like the Qdos 20, 30, 60, and CWT. Known for its ease of use and reliability, the Qdos 120 supports manual, remote, or automatic control modes. It is also accompanied by a detailed manual and flow chart for optimal performance. Safety symbols and guidelines are provided to ensure proper operation and maintenance.
1.2 Key Features and Benefits
The Watson Marlow Qdos 120 pump offers high accuracy and versatility in chemical metering, with flow rates from 0.1 to 2000 ml/min. Key features include a compact design, simple drop-in installation, and compatibility with a wide range of chemicals. The pump supports manual, remote, and automatic control modes, providing flexibility for various applications. High repeatability ensures consistent dosing, while the pump’s modular design allows for easy maintenance and replacement of components. Cost-effective due to reduced chemical waste, the Qdos 120 is ideal for industries requiring precise metering, such as water treatment and chemical processing. Its durable construction and user-friendly interface make it a reliable choice for demanding environments.
1.3 Applications of the Qdos 120
The Watson Marlow Qdos 120 pump is widely used in various industrial and laboratory settings due to its versatility and precision. Common applications include water treatment, where it accurately doses chemicals like coagulants and disinfectants. It is also employed in chemical processing for metering additives and reagents. Additionally, the pump is suitable for food and beverage industries, ensuring precise dosing of ingredients and cleaning agents. Its compact design and high accuracy make it ideal for laboratory research and pharmaceutical applications, where exact chemical control is critical. The Qdos 120’s robust construction and compatibility with aggressive chemicals further extend its use in mining and oil refineries, enhancing process efficiency and safety.
Technical Specifications of the Qdos 120
The Qdos 120 offers precise flow rates of 0.1-2000 ml/min and pressures up to 7 bar. It is compatible with a wide range of chemicals and features multiple power options.
2.1 Flow Rate and Pressure Capabilities
The Watson Marlow Qdos 120 pump delivers precise flow rates ranging from 0.1 to 2000 ml/min, ensuring high accuracy for metering applications. It operates at pressures up to 7 bar, making it suitable for demanding environments. The pump’s advanced design allows for consistent performance across its flow range, maintaining stability even in challenging conditions. This versatility makes it ideal for applications requiring precise chemical dosing, such as water treatment, chemical processing, and laboratory settings. Refer to the manual for detailed flow and pressure specifications to optimize performance for specific tasks. Its robust construction ensures long-term reliability in industrial and municipal operations.
2.2 Compatibility with Chemicals and Materials
The Watson Marlow Qdos 120 pump is designed to handle a wide range of chemicals and materials, ensuring compatibility with aggressive or corrosive substances. The pumphead and hoses are constructed from durable, chemically resistant materials, such as Santoprene® and PTFE, which provide excellent resistance to abrasion and chemical attack. It is suitable for use with acids, bases, and other industrial chemicals, making it a reliable choice for water treatment, chemical processing, and laboratory applications. Consult the manual for a detailed list of compatible chemicals and materials to ensure safe and optimal operation. This compatibility ensures the pump performs effectively across various industrial environments.
2.3 Dimensions and Weight of the Pump
The Watson Marlow Qdos 120 pump is compact and lightweight, designed for easy installation and space-saving operation. Its dimensions are tailored to fit into various industrial and laboratory settings. The pump weighs approximately 12 kg, making it portable and easy to handle. The compact design ensures minimal footprint, allowing for flexible placement in tight spaces. The pump’s overall dimensions are optimized for convenience, with a robust construction that ensures durability. For precise measurements, refer to the Qdos 120 manual, which provides detailed specifications. This lightweight yet sturdy design makes the Qdos 120 a practical solution for diverse applications, ensuring efficient performance without compromising on portability.
2.4 Power Requirements and Connectivity
The Watson Marlow Qdos 120 pump operates on a standard voltage range of 100-240V AC, ensuring compatibility with global power systems. It features low power consumption, making it energy-efficient for continuous operation. The pump is equipped with advanced connectivity options, including PROFIBUS communication, enabling seamless integration with industrial control systems. Additional connectivity options allow for remote monitoring and control, enhancing operational flexibility. The pump’s design prioritizes safety and efficiency, with built-in protections against power surges. For detailed specifications, refer to the Qdos 120 manual, which outlines voltage requirements, connectivity protocols, and safety measures. This ensures reliable performance across various industrial and laboratory environments.
Installation and Setup
The Watson Marlow Qdos 120 ensures a straightforward installation process. Begin with unpacking and initial setup, followed by connecting to control systems. Install the pumphead and hoses carefully, adhering to the manual’s guidelines for optimal performance and safety.
3.1 Unpacking and Initial Setup
When unpacking the Watson Marlow Qdos 120, carefully inspect the pump and accessories for damage. Ensure all components, such as the pumphead, hoses, and control module, are included. Refer to the manual for a detailed list of parts. Begin by reading the safety precautions and understanding the symbols used. Familiarize yourself with the pump’s controls and connections. Before powering on, ensure the environment meets the specified conditions, such as proper ventilation and temperature range. Follow the manual’s guidelines for initial setup to prevent damage and ensure optimal performance. This step is critical for a smooth and safe operation.
3.2 Connecting the Pump to a Control System
Connecting the Watson Marlow Qdos 120 to a control system ensures precise automation and monitoring. Refer to the manual for specific wiring diagrams and communication protocols. Power off the pump before connecting any cables to avoid damage. Use compatible communication cables, such as PROFIBUS, to integrate the pump with your control system. Ensure all connections are secure and meet the system’s requirements. Follow the manual’s guidance for configuring communication settings and testing the connection. Proper integration allows for remote operation, flow rate adjustment, and real-time monitoring. Always verify compatibility and refer to the Qdos 120 manual for detailed instructions to ensure a seamless setup.
3.3 Installing the Pumphead and Hose
Proper installation of the pumphead and hose is crucial for optimal performance and safety. Refer to the manual for detailed steps. Begin by preparing the pumphead and ensuring the pump is powered off. Align the pumphead with the motor shaft, securing it firmly with the provided mounting hardware. Tighten the screws evenly to avoid misalignment. Next, attach the hose to the pumphead, ensuring no twists or kinks that could restrict flow. Secure the hose clamps tightly but avoid over-tightening, which might damage the hose. Consult the manual for specific torque values and alignment instructions to prevent installation errors.
Operating the Qdos 120
Operating the Qdos 120 involves starting the pump, setting metering modes, and monitoring flow rates. Refer to the manual for detailed guidance on optimizing performance and using the flow chart effectively.
4.1 Starting the Pump for the First Time
Starting the Qdos 120 for the first time involves unpacking, initial setup, and ensuring all components are correctly installed. Refer to the manual for detailed steps on pumphead installation and hose connections. Power on the pump and ensure it is connected to a control system if required. Conduct a safety check to avoid contact with moving parts. Initialize the pump by following the startup procedure outlined in the manual. This includes setting the flow rate and mode of operation. Consult the manual for troubleshooting any initial issues and ensure proper calibration for accurate metering. Always follow safety guidelines to ensure smooth operation.
4.2 Setting Up Metering and Control Modes
Setting up metering and control modes on the Qdos 120 involves configuring the pump for precise flow rate control. Manual mode allows direct operation via the keypad, while remote mode enables control through external signals or systems. Use the menu to select the desired mode and adjust parameters such as flow rate and dose volume. The pump also supports automatic control using predefined settings or external inputs. Ensure accurate calibration by following the manual’s guidelines. Utilize the Qdos Flow Chart for optimization and monitoring. Proper setup ensures reliable and efficient chemical dosing, meeting specific application requirements. Always refer to the manual for detailed instructions and troubleshooting tips.
4.3 Monitoring and Adjusting Flow Rates
Monitoring and adjusting flow rates on the Qdos 120 is straightforward, thanks to its intuitive interface. The pump’s display allows real-time tracking of flow rates, enabling precise adjustments. Use the keypad to increase or decrease flow rates, or set specific values for consistent dosing. For enhanced control, connect the pump to a control system. Adjustments can also be made remotely, ensuring flexibility in operation. Regular monitoring ensures optimal performance and prevents deviations from set parameters. Refer to the manual for guidance on flow rate calibration and troubleshooting. Proper adjustment ensures accurate chemical delivery, meeting application demands effectively. Use the Qdos Flow Chart for further optimization of flow rate settings.
4.4 Using the Qdos Flow Chart for Optimization
The Qdos Flow Chart is a valuable tool for optimizing pump performance. It helps determine the ideal flow rate and pressure settings for specific applications. By referencing the chart, users can ensure accurate and consistent chemical delivery. The chart simplifies the process of selecting the correct pumphead and tube configuration. It also provides guidance on achieving the desired flow rate while maintaining system efficiency. Regular use of the Qdos Flow Chart ensures optimal pump operation, reducing downtime and improving overall productivity. This resource is particularly useful for fine-tuning settings and troubleshooting flow-related issues. Refer to the manual for detailed instructions on interpreting and applying the Qdos Flow Chart effectively.
Maintenance and Troubleshooting
Regular maintenance ensures optimal performance. Replace pumpheads and hoses as specified. Address common issues like blockages or sensor malfunctions promptly. Refer to the manual for detailed troubleshooting guides.
5.1 Scheduled Maintenance Procedures
Regular maintenance is crucial for the Watson Marlow Qdos 120 to ensure optimal performance. Schedule checks every 3-6 months, including pumphead and hose inspections. Replace hoses annually or as needed. Clean the pumphead to prevent chemical buildup. Lubricate moving parts as specified. Refer to the manual for detailed procedures and guidelines to maintain efficiency and accuracy. Proper maintenance extends product lifespan and ensures reliable operation.
5.2 Replacing the Pumphead and Hose
To replace the pumphead and hose on the Watson Marlow Qdos 120, ensure the pump is powered off and disconnected from the control system. Refer to pages 130 and 138 of the manual for specific instructions. Remove the old pumphead by releasing the retaining clips and disconnecting the hose. Install the new pumphead, ensuring proper alignment and secure it. Reconnect the hose, making sure it is tightly fitted. Consult the manual for detailed steps to avoid errors. Regular replacement of these components ensures optimal performance and extends the pump’s lifespan. Always follow safety guidelines during replacement to prevent damage or injury.
5.3 Troubleshooting Common Issues
Common issues with the Watson Marlow Qdos 120 include low flow rates, pump not starting, or tube wear. Check for blockages in the tubing or connections if flow rates are low. Ensure the pump is properly powered and connected to the control system. Inspect the tube for signs of wear or damage, as this can affect performance. Refer to the manual for detailed troubleshooting steps. If the pump does not start, verify power supply and control signals. For tube wear, consider replacing it with a compatible material. Regular maintenance, such as tube replacement, can prevent many issues. Always follow safety guidelines when troubleshooting.
5.4 Resetting the Pump and System
To reset the Watson Marlow Qdos 120, first power off the pump and wait for 10 seconds before turning it back on. This ensures a complete system reset. Check all connections to ensure they are secure. If issues persist, use the reset function in the control menu. Refer to the manual for specific instructions on accessing the reset option. After resetting, recalibrate the pump if necessary. Always follow safety guidelines when performing a reset. If the pump still does not function correctly, contact Watson Marlow support for assistance. Regular resets can help maintain optimal performance and prevent operational errors.
Safety Guidelines and Compliance
Always follow safety guidelines when operating the Qdos 120. Ensure compliance with international standards and proper disposal of materials. Review the manual for detailed safety precautions.
6.1 Safety Precautions for Operation
Operating the Watson Marlow Qdos 120 requires strict adherence to safety guidelines to ensure operator protection and prevent equipment damage. Avoid contact with moving parts, as indicated by warning symbols on the pump. Always wear protective gear, including gloves and safety glasses, when handling chemicals or performing maintenance. Ensure the pump is installed on a stable, level surface to prevent tipping. Keep loose clothing and long hair tied back to avoid entanglement with rotating components. Refer to the manual for detailed safety instructions and warning labels. Failure to follow these precautions may result in injury or equipment malfunction. Proper training and supervision are essential for safe operation.
6.2 Compliance with International Standards
The Watson Marlow Qdos 120 adheres to rigorous international standards, ensuring reliability and safety across global applications. ATEX certification guarantees its suitability for use in explosive atmospheres, while compliance with IEC and UL standards ensures electrical safety and performance consistency. The pump’s design meets CE marking requirements, confirming adherence to European Union directives. Additionally, it complies with REACH and RoHS regulations, addressing chemical safety and environmental protection. These certifications underscore Watson Marlow’s commitment to producing high-quality, globally compliant products. Users can trust the Qdos 120 for safe and efficient operation in diverse industrial environments. Always verify the manual for specific compliance details relevant to your application.
6.3 Proper Disposal and Environmental Considerations
The Watson Marlow Qdos 120 should be disposed of in accordance with local, national, and international environmental regulations. Recycling is recommended for components like metals and plastics to minimize waste. Proper disposal ensures hazardous materials, such as batteries or electronic components, do not harm the environment. Users must follow guidelines for handling electrical and electronic equipment under the WEEE Directive. Additionally, the pump’s design adheres to RoHS and REACH regulations, reducing environmental impact. Always consult the manual or contact Watson Marlow support for specific disposal instructions. Environmental responsibility is a priority, and proper disposal helps protect ecosystems and conserve resources for future generations.
Downloads and Resources
Access the Qdos 120 manual, datasheets, and technical guides from Watson Marlow’s official website. Download PDF files for detailed instructions, specifications, and troubleshooting. Visit their support page for additional resources.
7.1 Accessing the Qdos 120 Manual PDF
To access the Watson Marlow Qdos 120 manual PDF, visit the official Watson Marlow website. Navigate to the Downloads or Resources section, where you can find the Reference Manual and Instructions for Use. The manual is available in multiple languages, with the original version in English. It includes detailed information on installation, operation, maintenance, and troubleshooting. Additionally, you can download datasheets, technical guides, and pumphead replacement instructions. For convenience, the manual is provided in PDF format, ensuring easy access and readability. Ensure you register or log in if required to access these resources. This comprehensive guide is essential for optimal use of the Qdos 120 pump.
7.2 Downloading Datasheets and Technical Guides
Downloading datasheets and technical guides for the Watson Marlow Qdos 120 is straightforward. Visit the official website and navigate to the Downloads section. Here, you’ll find extensive resources, including the Qdos 120 datasheet, which provides detailed specifications, flow rates, and compatibility information. Technical guides offer in-depth insights into installation, maintenance, and troubleshooting. These documents are available in PDF format, ensuring easy access and printing. Additionally, the Qdos Flow Chart is a valuable tool for optimizing pump performance. By referring to these resources, users can ensure proper setup and operation of the Qdos 120, maximizing its efficiency and longevity. Regularly check for updates to stay informed about the latest features and guidelines.
7.3 Contacting Watson Marlow Support
For assistance with the Watson Marlow Qdos 120, users can contact the dedicated support team. The Watson Marlow website provides a contact form for inquiries, along with regional office details. Technical support is available to address questions about installation, troubleshooting, and maintenance. Additionally, the Qdos 120 manual and datasheets are accessible online, offering comprehensive guidance. For urgent issues, users can reach out via phone or email. The support team ensures timely resolutions, helping users optimize pump performance and address any operational challenges effectively. This resource is invaluable for maximizing the longevity and efficiency of the Qdos 120 in various applications.