Gas Sense GS-300.A Operation Manual Download Page 4

General Information

This manual is designed to provide users with simple and precise information. Manufacturer shall not be 
held responsible or liable for any misinterpretation that may result from the reading of this manual. 
Although every effort is made to ensure accuracy, this manual may contain unintentional technical 
inaccuracies.

Please read the following notice carefully before installation and start-up, paying particular attention to 
the end - user safety instructions. This user’s guide should be distributed to every individual involved in 
the start-up, use, maintenance or repair of the product. The information contained in this manual, the data 
and technical drawings are correct as of the date of  publication. For additional information, please 
contact  Invest Electronics Ltd.

Manufacturer reserves the right to modify the technical characteristics of its equipment without notice to 
improve product performance. This user manual and its contents are the inalienable property of Invest 
Electronics Ltd

Safety Warnings

Installation and electric connections should be performed by a qualified professional, according to 
Manufacturer's specifications and to the standards of authorities in the field. Failure to observe these rules 
may result in serious injury. Accuracy, particularly regarding electricity and assembly (couplings, network 
connections) is imperative.

Icons have been placed on the sensor to call attention to general use safety precautions. These labels are 
an integral component of the sensor. The meanings of these labels are described below.

Symbols

Please refer to the instructions.

Caution:

 In the current operating mode, failure to adhere to the instructions preceding this symbol can 

result in a risk of electric shock or death.

This equipment must be grounded

Summary of Contents for GS-300.A

Page 1: ...GS 300 A GS 300 N GAS DETECTORS Operation Manual Revision A 2...

Page 2: ...the express written consent of Invest Electronics is strictly prohibited Due to ongoing research and development the specifications of this product may be changed at any time without notice INVEST ELE...

Page 3: ...Installation and wiring 9 1 Mounting the sensor 9 2 Mechanical mounting 9 3 Electrical connection 9 4 Analogue gas detector GS 300 A 9 5 Addressable gas detector GS 300 N 10 Operating instructions 10...

Page 4: ...facturer reserves the right to modify the technical characteristics of its equipment without notice to improve product performance This user manual and its contents are the inalienable property of Inv...

Page 5: ...ation Limitation of liability Neither Invest Electronics Ltd nor any other affiliated organization shall be held liable under any circumstances for any damage whatsoever including without limitations...

Page 6: ...uring method The following mesuring methods are used 1 Cathalityc sensors for mesurement of explosive gases 2 Electrochemical sensors for toxic gases 3 Infrared sensors for CO2 4 Semiconductor sensors...

Page 7: ...Front view gas detector GS 300 A Front view gas detector GS 300 N...

Page 8: ...Inside view gas detector GS 300 A Inside view gas detector GS 300 N...

Page 9: ...and maintenance Mechanical mounting Gas detector is attached to the wall via 4 mounting screws Sensor opening to be placed downwards Drill 4 holes according to the Drilling diagramme Drilling diagramm...

Page 10: ...must be connected using shielded cable with twisted pair for communication A and B terminals and another pair for the power supply of gas detectors The end of line resistor must be connected in the la...

Page 11: ...e first 30 days after installation During this period it is possible to observe how well the detector is adapting to its new environment If the detector functions properly for 30 continuous days this...

Page 12: ...exterior of the enclosure with a damp cloth Do not use alcohol or ammonia based liquids to clean the detector Servicing We recommend the user to periodically inspect the proper triggering of alarm an...

Page 13: ...el ordering code Detected gas Gas concentration GS 300 A AMM 2000 Ammonia 0 2000 ppm GS 300 A 134A 2000 R 134a 0 2000 ppm GS 300 A 404A 2000 R 404a 0 2000 ppm GS 300 A 407C 2000 R 407c 0 2000 ppm GS 3...

Page 14: ...dering code Detected gas Gas concentration GS 300 N AMM 2000 Ammonia 0 2000 ppm GS 300 N 134A 2000 R 134a 0 2000 ppm GS 300 N 404A 2000 R 404a 0 2000 ppm GS 300 N 407C 2000 R 407c 0 2000 ppm GS 300 N...

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