Summary of Contents for SANJIANG GB9221 Series
- Page 1 Please read this instruction manual before installation and use GB9221 series fire alarm broadcast amplifier Instruction manual 【suitable for 150W/300W/500W】 2017/1.0 1 Overview 1） GB9221 series fire alarm broadcast amplifiers are an extension device for...
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Page 2: Main Specifications
Background music broadcast can be directly played by external input source signals (such as CD/MP3 player, tuner, etc.) when there’s no accident event. 2） The display of GB9221 series fire alarm broadcast amplifiers is built-in LED indicator lights.These built-in LED indicator lights can indicate various operating conditions and fault conditions.All the functions can be set up with light touch... - Page 3 GB9221 series instruction manual 12) Electrical strength： no breakdown between AC input&the chassis leakage current＜5mA（AC2000V） 3 Function buttons and Indicator LEDs 1) Front panel（figure 4-1）： POWER AMPLIFIER POWER OUTPUT LEVEL SHORT TEMP MONITOR POWER MUTE TEST VOLUME figure front panel diagram（take 500W as an example）...
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Page 4: Wiring Instructions
GB9221 series instruction manual 4.Music source input/output terminal 4 Appearance Mounting dimensions&Weight Appearance and mounting dimensions （figure5-1）：482.6mm * 345mm * 132.5mm (length*width*height) POWER AMPLIFIER POWER OUTPUT LEVEL SHORT TEMP POWER MONITOR MUTE TEST VOLUME 482.6 Figure 5-1 Appearance and mounting dimensions 2）weight：... -
Page 5: Installation And Debug
GB9221 series instruction manual by the alarm controller or provided by the output module. 3）Output line connection： a) Line output This interface is used to extend power amplifier or transfer audio signal to other audio equipment. When the machine cannot meet the needs of field application, power amplifier can be extended through this interface. -
Page 6: Common Troubleshooting
GB9221 series instruction manual ◆ Overload：When the output power is more than 120% of the rated power and lasts for 2s, the "overload"LED (yellow) will light up, and the "overload" fault occurs.The main circuit will be cut off. Then the alarm sounded. - Page 7 GB9221 series instruction manual GB9221/300W 300W 6mm*30mm GB9221/150W 150W Table 1-1 Equipment model and parameter comparison table 11 Attached parts and components Project Notes Instruction manual 2 AC fuses 2 DC fuses See table1-1 Audio cable Certificate Attached to the...