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Need help?Do you have a question about the V-GREAT VG-6647 and is the answer not in the manual?
Details physical dimensions of the detector and its base for installation.
Provides step-by-step instructions for physically mounting the detector.
Outlines wiring requirements and connections for the detector loop.
Explains how to set the unique address for the detector using a programmer.
Describes the process of the control panel registering the detector on the line.
Explains how to simulate fire conditions to test the detector's alarm function.
Details how to reset the detector after testing via the control panel.
Troubleshooting steps for detector faults reported on the control panel.
Addresses frequent false alarms and potential causes like dirt or circuit issues.
Guidance on resolving address-related faults, typically via programmer.
The VG-6647 Digital Multi-sense Detector is an advanced addressable device designed for comprehensive fire detection. It integrates both an optical smoke sensor and a thermistor temperature sensor, allowing it to detect fires through two independent systems while occupying only a single address point on the fire alarm loop. This multi-sensing capability enhances its reliability and reduces the likelihood of false alarms by cross-referencing different fire indicators.
One of the key features of the VG-6647 is its advanced embedded Microcontroller Unit (MCU). This sophisticated processing unit enables the detector to perform complex algorithms for signal analysis and environmental adaptation. A significant benefit of the embedded MCU is its drift compensation capability. Over time, environmental factors such as dust accumulation or changes in ambient conditions can affect the sensitivity of smoke detectors. The drift compensation feature intelligently adjusts the detector's sensitivity thresholds to account for these gradual changes, ensuring consistent and accurate performance throughout its operational life without requiring frequent manual adjustments. This adaptability makes the detector highly suitable for a wide range of environments, maintaining optimal performance even as conditions evolve.
For visual indication, the VG-6647 is equipped with twin 360° visible LEDs. These LEDs are driven directly by the control panel, providing clear and immediate status feedback from any angle. During normal operation, the LEDs can indicate polling, confirming that the detector is communicating correctly with the control panel. In an alarm condition, the LEDs will emit a steady red light, making it easy to quickly identify the activated detector within a large installation. This omnidirectional visibility is crucial for rapid incident response and troubleshooting.
Installation and maintenance of the VG-6647 are designed to be straightforward. The detector supports manual addressing via a dedicated handheld programmer. This allows installers to easily assign a unique address to each detector before or during installation, simplifying the commissioning process. The ability to manually set addresses ensures flexibility and reduces potential conflicts in larger systems. The pleasing appearance of the detector also contributes to its ease of integration into various architectural settings.
The VG-6647 offers two distinct temperature response modes: A1R and A2. These modes allow the detector to be configured for different fire scenarios and environmental conditions, ensuring optimal heat detection performance. The "R" suffix in A1R signifies a rate-of-rise characteristic, meaning the detector can respond rapidly to sudden increases in air temperature, even if the absolute temperature has not yet reached a high threshold. This feature is particularly valuable in situations where fast-developing fires might produce a rapid temperature increase before significant smoke is generated. The specific temperature response mode can be set via the control panel, providing flexibility to tailor the detector's behavior to the specific requirements of the protected area.
The detector is designed to comply with stringent European standards, specifically EN 54-5 for heat detectors and EN 54-7 for smoke detectors. This compliance ensures that the VG-6647 meets high benchmarks for performance, reliability, and safety in fire detection systems. Its robust design and adherence to these standards provide assurance of its effectiveness in critical applications.
For ongoing maintenance and troubleshooting, the manual provides clear guidance. Regular testing is recommended after installation and during routine maintenance. The registration process involves the fire alarm control panel checking if the detector's address matches the registered address, ensuring proper system integration. Fire condition testing can be performed using hot air generators and/or smoke generators to verify that the detector alarms normally and that the control panel displays the correct address. After testing, the detector can be reset through the control panel.
The manual also addresses common fault-finding scenarios. If the detector frequently alarms without an actual fire, it suggests checking for dirt in the chamber, which might require cleaning, or investigating potential circuit issues. An "Address Fault" indicates an incorrectly set address, which can be rectified using the VG-6537 Digital Programmer. These maintenance features help ensure the long-term reliability and accurate operation of the detector, minimizing downtime and false alarms.
In summary, the VG-6647 Digital Multi-sense Detector is a versatile and intelligent fire detection device that combines advanced sensing technologies with user-friendly installation and maintenance features. Its multi-sensing capability, drift compensation, clear visual indicators, flexible addressing, and compliance with international standards make it a robust solution for modern fire alarm systems.
General| Output Type | Relay |
|---|---|
| Type | PIR Motion Sensor |
| Detection Range | 12 meters |
| Detection Angle | 110 degrees |
| Operating Temperature | -10°C to +50°C |
