Related Manuals for Seikom Electronic NLSW 75-AEx
Summary of Contents for Seikom Electronic NLSW 75-AEx
- Page 1 User Manual NLSW®75-A Ex (Gg) & Sensor F3.x Ex 24 V AC, 24 V DC, 230 V AC Version 1.0...
- Page 2 User Manual NLSW®75-A Ex (Gg) & Sensor F3.x Ex The person installing the devices as well as the system operator are obligated to ensure the satisfaction of the mandatory national ex-legislation. Electrostatic charges on plastic parts and wires must be avoided. The devices must be protected from any damage.
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Page 3: Table Of Contents
User Manual NLSW®75-A Ex (Gg) & Sensor F3.x Ex CONTENT 1. PREAMBLE ........................4 1.1 Safety Instructions ........................4 2. GENERAL INFORMATION ON EXPLOSION PROTECTION ............. 4 2.1 Electrical specifications for Ex-i ....................5 2.2 Intrinsically safe parameters ....................5 2.3 Sensor Properties for Series F3.x Ex .................. -
Page 4: Preamble
Please read the entire operating instructions to ensure the full operational capability of the devices and your own safety before starting their installation. If questions arise you may contact the manufacturer SEIKOM Electronic GmbH & Co.KG directly. The directions, contained in these operating instructions, must be followed. -
Page 5: Electrical Specifications For Ex-I
User Manual NLSW®75-A Ex (Gg) & Sensor F3.x Ex Electrical specifications for Ex-i When installing, please note that the Z- barriers BZE804 and BZE805 have different values. If the barriers are swapped, the airflow monitor NLSW®75-A Ex will not work properly. Intrinsically safe parameters Type Value... -
Page 6: Sensor Properties For Series F3.X Ex
User Manual NLSW®75-A Ex (Gg) & Sensor F3.x Ex Sensor Properties for Series F3.x Ex Type F3 Ex F3.1 Ex F3.2 Ex F3.3 Ex Article-No. 50276Ex/50 50276Ex/130 50276Ex/165 50276Ex/300 Approx. Immersion depth 50 mm 130 mm 165 mm 300 mm Permissible 0°C …... -
Page 7: Dimensions Of The Air Flow Sensors F3.X Ex
User Manual NLSW®75-A Ex (Gg) & Sensor F3.x Ex Dimensions of the air flow sensors F3.x Ex 2.5.1 F3 Ex 2.5.2 F3.1 Ex 2.5.3 F3.2 Ex 2.6 Temperature class The sensors are suitable for use with temperature class T4. +49 2058 2044 • info@seikom-electronic.com • www.seikom-electronic.com Page 7... -
Page 8: General Requirements
User Manual NLSW®75-A Ex (Gg) & Sensor F3.x Ex General requirements 2.7.1 Intended use Safe use can only be ensured if the devices are used according to the specifications of the operating instructions provided in this document. Moreover, the legal and safety requirements specific to the individual use must be satisfied. - Page 9 User Manual NLSW®75-A Ex (Gg) & Sensor F3.x Ex The products can only be operated in ordinary industrial atmosphere. The manufacturer must be contacted if the atmosphere contains aggressive components. In case of adverse ambient conditions, the sensors need to be protected accordingly. Usage of the devices is only permissible when they are fully mounted and connected in an intact condition.
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Page 10: Installation Conditions Of The Air Flow Sensors F3.X Ex
User Manual NLSW®75-A Ex (Gg) & Sensor F3.x Ex Installation conditions of the air flow sensors F3.x Ex Please consider the following points while mounting the air flow sensors to avoid any malfunction: The tip of the sensor should be placed in the centre of the tube. The gaseous medium must fully flow through the drilled hole located within the tip section of the sensor. -
Page 11: Maintenance And Service
User Manual NLSW®75-A Ex (Gg) & Sensor F3.x Ex MAINTENANCE AND SERVICE Definitions Definitions according to IEC 60079-17: Maintenance and repair: A combination of activities, carried out to maintain an object in a certain condition or to regain this condition, which satisfies the requirements of the relevant specifications and ensures the ability to perform the demanded functions. -
Page 12: Troubleshooting
User Manual NLSW®75-A Ex (Gg) & Sensor F3.x Ex TROUBLESHOOTING Products used in areas exposed to explosion hazards cannot be altered or modified. Repair of the product can only be performed by qualified and authorised personnel which has received specialised education in this field. Problem Cause Solution... -
Page 13: General Description Nlsw®75-A Ex
User Manual NLSW®75-A Ex (Gg) & Sensor F3.x Ex GENERAL DESCRIPTION NLSW®75-A EX With this air flow monitor, you can depict air flows via an externally connected display or realize a min-max-control via a limiting value transmitter. The monitor also has a continuously adjustable change-over contact. -
Page 14: Installation Of The Air Flow Monitors Nlsw®75-A Ex
User Manual NLSW®75-A Ex (Gg) & Sensor F3.x Ex INSTALLATION OF THE AIR FLOW MONITORS NLSW®75-A EX The air flow monitors of the series NLSW®75-A Ex must be mounted together with the safety barriers, outside of the area exposed to an explosion hazard. The protection class IP20 of the housing must be considered. - Page 15 User Manual NLSW®75-A Ex (Gg) & Sensor F3.x Ex For the start-up the following approach is recommended: Install the air flow sensor and monitor according to the instructions. Connect analog measuring equipment. Set potentiometer “Reinforcement” to minimum sensitivity (left stop). Switch Supply voltage;...
- Page 16 User Manual NLSW®75-A Ex (Gg) & Sensor F3.x Ex 11. EU DECLARATION OF CONFORMITY +49 2058 2044 • info@seikom-electronic.com • www.seikom-electronic.com Page 16...
- Page 17 User Manual NLSW®75-A Ex (Gg) & Sensor F3.x Ex +49 2058 2044 • info@seikom-electronic.com • www.seikom-electronic.com Page 17...
- Page 18 Wachsendes Netz lokaler Vertriebshändler online verfügbar www.seikom-electronic.com Unser Produktportfolio Strömung Temperatur Druck Luftqualität und CO Zener Barrieren Universal Transmitter +49 2058 2044 info@seikom-electronic.com www.seikom-electronic.com SEIKOM-Electronic GmbH & Co. KG Fortunastraße 20 42489 Wülfrath +49 2058 2044 • info@seikom-electronic.com • www.seikom-electronic.com Page 18...
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