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1. Safety instructions .....................................................................................................................................................................
1.1. Security basics............................................................................................................................................................................
1.2. Warnings and precautions...............................................................................................................................................
1.3. Considerations............................................................................................................................................................................
1.4. References and symbols....................................................................................................................................................
2. Identity...................................................................................................................................................................................................
2.1. Description of the device.....……………..............................................…………………...………………………….…..…….
2.2. Intended use of the device………………………….…………………...……..........................…………………
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2.3. Reasons for use.............................………………………………..………………………………….........................………..…...…..
2.4. General view....................……………………………………………………………………………….........................………..…..…...
2.4.1. Relay type electronic board.........………………………………….........................…………..…............
2.4.2. Relayless type electronic board...…………………….........................……..............……..…...........
2.5. Label Information.…………………………………………………………………………………..........................…….......……..…
2.6. Technicial Specifications...............................................………………………………........................…………................…
2.7. Technical dimensions...................……………………………………………………….............................…………................…
3. Transport, Storage, Packaging, Warranty and Protection measures......................................
3.1. Transport...………………………………………………………………………………………..........……………………………….....….…
3.2. Storage..........……………………………………………………………………………………………………………......…………...…...….
3.3. Packaging..............……………………………………………………………………………………………………………………...…......
3.4. Warranty conditions.......…………………………………………………………………………………………..............................
3.5. Protection measures.......…………………………………………………………………………………………..............................
4. Control Parameters...................................................................................................................................................................
4.1. Possible malfunctions and solutions..................……………………......................…………........….…………..….....
4.2. Power cut……………...............……………………………………………….......................……......................................................
4.3. Making the Settings……………………………………………………………..........……............................................................
4.4. Installation/Assembly..........……….....………….................………………..…..…................................................................
5. Electrical Connections............................................................................................................................................................
5.1. Connection of GA21 gas alarm detector to GAP30 gas alarm control panel.........................
5.2. Connection of GA21 gas alarm detector to another gas alarm control panel...........…....….
5.3. Multiple connection diagram of GA21 gas alarm detectors...................................................…….......
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