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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

Содержание GB9221 Series

Страница 1: ...on 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 ar...

Страница 2: ...42 Fire Broadcasting Host The output power could be 150W 300W 500W 4 GB9221 series fire alarm broadcast amplifiers assemble high quality power transformers internally The static power consumption is l...

Страница 3: ...ower on off 2 volume adjustment LED indicator 3 volume adjustment knob 4 button self test 5 button silence 6 button monitor 7 over temperature fault LED indicator 8 overload fault LED indicator 9 outp...

Страница 4: ...ed cable Pay attention to the order of N L E b Connect the backup power supply that meets the nominal requirements to the Standby Power terminal Pay attention to positive and negative polarity c Power...

Страница 5: ...age machine when the power is turned on under short conditions 4 When the circuit debug finished preset volume should be set after the fire alarm is triggered After the preset volume is set the machin...

Страница 6: ...Over temperature Over temperature because running under heavy load Reduce the output power or use after the temperature drops Over voltage Over voltage because light load Reduce the output amplitude a...

Страница 7: ...48V 5A 15A GB9221 150W 150W 24V 3A 15A Table 1 1 Equipment model and parameter comparison table 11 Attached parts and components No Project Notes 1 Instruction manual 1 2 2 AC fuses 2 DC fuses See tab...