Description
Honeywell R7247C1001 Product Description
1. Product Overview
The Honeywell R7247C1001 is a specialized flame amplifier with dynamic self – check capabilities, engineered to meet the safety – critical and performance – demanding requirements within industrial combustion and heating systems. This device serves as a crucial link between the flame detector and the overall control system, playing a fundamental role in ensuring the safe and efficient operation of combustion processes. It is designed to accurately respond to the signals from flame detectors, providing reliable indication of the presence of a flame. Although it has been discontinued as of April 8, 2022, its significance in legacy systems cannot be understated.
2. Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | R7247C1001 |
| Manufacturer | Honeywell |
| Product Category | Flame Amplifier with Dynamic Self – Check |
| Dimensions | 263 mm x 58 mm x 28 mm |
| Weight | 0.43 kg |
| Country of Origin | United States of America |
| Approval | Canadian Standards Association: Certified (File No. LR 1620, Guide No. 140 – A – 2) |
| Flame Failure Response Time | 2 – 4 seconds |
| Compatible Primary Safety Controls | R4140, BC7000, R4075C, D, E, R4138C, D, FSP5075 |
| Compatible Flame Sensors | Gas, Oil, Coal: Ultraviolet Flame Sensor C7012E, F |
| Solid – State Plug – In Unit Function | Responds to flame detector signal and indicates presence of flame |
| Use with Flame Amplifier Modules | FSP5075A1, FSP5075A3 |
Honeywell R7247C1001
3. Product Introduction
The R7247C1001 is a solid – state plug – in unit, which simplifies its installation within control panels. Its design focuses on providing a rapid and accurate response to the signals received from flame detectors. When a flame is present, the device amplifies the detector’s signal, relaying it to the appropriate flame safeguard controls. This ensures that the combustion system can continue its operation safely. In the event of a flame failure, the R7247C1001 is designed to respond within 2 – 4 seconds, triggering safety mechanisms to prevent potential hazards such as gas build – up in case of an extinguished gas flame.
The module’s dynamic self – check feature is a key aspect of its design. It continuously monitors its own internal components and functionality. This self – diagnostic ability helps to identify any potential malfunctions within the amplifier itself, ensuring that it remains reliable over time. By detecting issues early, it can prevent false alarms or, more critically, failures to detect a real flame or flame loss situation.
4. Core Advantages and Technical Highlights
4.1 Rapid Flame Detection and Response
The R7247C1001 is engineered for quick response times. With a flame failure response time of 2 – 4 seconds, it can swiftly detect when a flame has been extinguished. This rapid response is crucial in preventing the release of unburned fuel, which could lead to dangerous situations in industrial combustion setups, such as in boilers, furnaces, or industrial burners. The fast detection also enables the prompt activation of safety shutdown systems, minimizing the risk of accidents.
4.2 Dynamic Self – Check Functionality
The built – in dynamic self – check feature is a significant advantage. It constantly verifies the integrity of its internal circuits and components. This self – diagnostic process helps to maintain the reliability of the flame amplifier over its operational life. By proactively identifying and alerting to potential issues, it reduces the likelihood of unexpected failures, which could disrupt industrial processes and pose safety risks. This feature is especially valuable in industrial environments where continuous and reliable operation is essential.
4.3 Compatibility with Multiple Systems
The R7247C1001 is designed to be highly compatible with a range of primary safety controls, including R4140, BC7000, R4075C, D, E, R4138C, D, and FSP5075. It can also work in tandem with specific flame sensor models like the ultraviolet flame sensor C7012E, F, which are commonly used for detecting flames in gas, oil, and coal – fired systems. Additionally, it is compatible with flame amplifier modules such as FSP5075A1 and FSP5075A3. This wide compatibility allows for seamless integration into various industrial combustion control systems, regardless of the specific configuration or brand of other components.
4.4 Certified Safety Compliance
The R7247C1001 has been certified by the Canadian Standards Association (File No. LR 1620, Guide No. 140 – A – 2). This certification attests to its compliance with strict safety and performance standards. In industrial applications, where safety is of utmost importance, this certification gives users confidence in the product’s ability to operate safely and effectively within their combustion systems. It also helps industrial facilities meet regulatory requirements related to the safe operation of their equipment.
5. Typical Application Scenarios
5.1 Industrial Boilers
In industrial boiler systems, the R7247C1001 is used to monitor the flame of the burners. Boilers are used for various purposes such as generating steam for industrial processes or heating large buildings. The flame amplifier ensures that the burners maintain a stable flame. If the flame is extinguished, perhaps due to a fuel supply issue or a sudden draft, the R7247C1001 quickly detects the loss and triggers the boiler’s safety shutdown system. This prevents the build – up of unburned fuel, which could lead to an explosion.
5.2 Furnaces in Manufacturing
Manufacturing plants often use furnaces for processes like metal melting, heat treatment of materials, or glass manufacturing. The R7247C1001 is integrated into the furnace control systems to monitor the flame. A stable flame is essential for maintaining the precise temperature required for these manufacturing processes. If the flame fails, the R7247C1001 not only shuts down the fuel supply but also alerts operators, allowing them to address the issue promptly and minimize disruptions to the manufacturing process.
5.3 Power Generation Plants
In power generation plants that use combustion – based technologies, such as gas – fired or oil – fired power plants, the R7247C1001 plays a vital role in ensuring the safe operation of the combustion chambers. These plants rely on continuous and stable combustion to generate electricity. The flame amplifier monitors the flames in the combustion chambers, and in case of any flame irregularities or failures, it activates safety procedures. This helps to prevent power outages due to combustion – related issues and ensures the overall reliability of the power generation process.
Honeywell R7247C1001
6. Installation, Commissioning and Maintenance Instructions
6.1 Installation Preparation
Select a suitable location within the control panel for mounting the R7247C1001. Ensure that the location is free from excessive heat, moisture, and strong electromagnetic interference. Since it is a solid – state device, it is sensitive to environmental factors that could affect its performance.
Check the integrity of the module and all its components, including the enclosure, connectors, and circuit board, before installation. Look for any signs of physical damage or corrosion that could impact its functionality.
Prepare the wiring according to the specified gauge and length requirements. The wiring should be properly insulated to ensure safe and reliable signal transmission between the flame detector, the R7247C1001, and the associated safety controls.
Gather the necessary tools, such as screwdrivers, wire strippers, and crimping tools, for the installation process.
6.2 Commissioning
Mount the R7247C1001 in the control panel using the appropriate mounting hardware. Ensure that it is securely fastened to prevent vibrations that could cause loose connections.
Connect the power supply cables to the module, following the wiring diagram provided in the product manual. Make sure the power supply voltage is within the specified range.
Connect the signal wires from the flame detector to the input terminals of the R7247C1001. Also, connect the output wires to the relevant flame safeguard controls. Label all the wires clearly for easy identification during maintenance.
Power on the system and perform a series of tests. Use a test flame source to simulate a normal flame condition and verify that the R7247C1001 correctly detects the flame and relays the signal to the safeguard controls. Then, simulate a flame failure condition and ensure that the module responds within the specified 2 – 4 – second time frame and activates the safety shutdown mechanisms.
6.3 Maintenance
Regularly inspect the R7247C1001 for any signs of physical damage, such as cracks in the enclosure, loose connectors, or corrosion on the circuit board. If any damage is detected, replace the module immediately.
Clean the module periodically to remove any dust or debris that may have accumulated. Use a soft, dry brush or a compressed air canister to gently clean the enclosure and the connectors, taking care not to damage the components.
Check the integrity of the wiring connections regularly. Ensure that the wires are not frayed, loose, or corroded. If any issues are found, repair or replace the wires as needed.
Monitor the performance of the module over time. Use the diagnostic capabilities of the associated control system to check for any faults or abnormal behavior. If a fault is detected, follow the troubleshooting procedures provided in the product manual to identify and resolve the issue. However, since the product is discontinued, sourcing replacement parts may be challenging, and in some cases, upgrading to a more modern equivalent may be considered.
7. Service and Guarantee Commitment
When the R7247C1001 was in production, Honeywell typically offered a 12 – month warranty, providing customers with assurance against manufacturing defects. In case of any product failures within the warranty period, Honeywell’s technical support team was available to offer prompt assistance, including troubleshooting and, if required, arranging for the repair or replacement of the module, subject to the terms and conditions of the warranty.
Customers could access comprehensive installation and operation manuals on Honeywell’s official website. These manuals provided detailed, step – by – step instructions for installation, commissioning, and maintenance of the R7247C1001. However, due to its discontinued status, while the existing documentation remains valuable, there will be no further updates or support from Honeywell in terms of new features or compatibility enhancements. In the case of legacy systems still using the R7247C1001, users may need to rely on third – party maintenance services or explore alternative flame amplifier solutions that can be retrofitted into their existing setups.
