MRI-5251B / MRI-5251RB Flame Detector User Manual, introduces the features and characteristics of the product, including voltage range, monitoring current, working humidity range, ambient temperature range, height, diameter, weight, installation precautions, wiring guidance, testing, detector usage instructions, etc.
This guide explains how to install the 5251RB fire detector, including mounting the detector in its base, connecting the wiring according to national electrical codes, and labeling wires to avoid errors. It emphasizes compliance with NFPA 72 for optimal performance.
The manual also covers testing procedures after installation, periodic maintenance, and the detector's operating specifications such as voltage range, current draw, temperature limits, dimensions, and weight. This manual is written in Chinese.
| Operating voltage | 15 to 32 VDC |
|---|---|
| Operating current | 150 µA @ 24 VDC |
| Temperature range | -4 to 100°F (-20°C to 38°C) |
| Dimensions | 51 mm diameter with base |
| Weight | 5.2 oz (147 g) |
The detector operates on 15 to 32 VDC and draws 150 µA at 24 VDC.
It can function from –4 °F to 100 °F (–20 °C to 38 °C).