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25/11/2019 

LEAK INDICATING UNIT 

LAE 3-8

 

- 5 - 

2.3 Qualification 

The personnel must be capable of independently recognizing and 
avoiding potential risks based on their qualifications. 

Companies commissioning leak detectors or indicating units should 
have completed respective training with SGB, through SGB, or its au-
thorized representative. 

National guidelines must be adhered to.  

For Germany: Technical service qualification for assembly, commis-
sioning, and maintenance of leak detection systems. 

 

 

2.4  Personal Protective Equipment (PPE)

 

Personal protective equipment must be worn during work. 

-  Wear necessary protective equipment for the relevant work 

-  Note and comply with existing PPE signs 

 

Entry in the "Safety Book" 

 

 

Wear HV vest 

 

 

Wear safety footwear 

 

 

Wear hard hat 

 

 

Wear gloves – where necessary 

 

 

Wear safety goggles – where necessary 

 

2.5 Fundamental 

Hazards 

DANGER: 

From electric current 

When working on an open indicating unit, disconnect it from the pow-
er supply. 

WARNING! 

Danger to hu-
mans and the 

environment in 

the case of in-

adequate quali-

fication 

Safety 

Содержание LAE 3-8

Страница 1: ...Documentation Indicating unit LAE 3 8 for VLX A Ex Read instructions prior to commencing any work As of 11 2019 Art No 605 622...

Страница 2: ...ral Data 3 2 Electrical Data 3 3 Field of Application 4 Design and Function 8 4 1 Design 4 2 Displays and Controls 4 3 Alarm 5 Mounting the System 11 5 1 Basic Instructions 5 2 Mounting the Indicating...

Страница 3: ...ry CAUTION Potentially hazardous situation which if not avoided could result in minor or moderate injury Information Highlights useful tips recommendations and information 1 3 Limitation of Liability...

Страница 4: ...w the leak detector Conditions from Chap 3 3 Field of Application must be adhered to The power supply cannot be disconnected Any claims arising from misuse are excluded 2 2 Obligation of the Operating...

Страница 5: ...assembly commis sioning and maintenance of leak detection systems 2 4 Personal Protective Equipment PPE Personal protective equipment must be worn during work Wear necessary protective equipment for...

Страница 6: ...Data Power supply 100 to 240 V AC 50 60 Hz Power input 44 W Terminals60 27 61 28 62 Potential free outputs max 1 5 A for 220 V DC 250 V AC 3 3 Field of Application 3 3 1 General use The indicating uni...

Страница 7: ...LX A Ex type tools can be mounted within the Ex area and are electrically connected to the indicating unit mounted outside the Ex area A tool is connected to one indicating unit board at a time The in...

Страница 8: ...al strip power supply VLX A Ex 1 8 31 3 Terminal strip signal circuit VLX A Ex 1 8 31 4 Terminal strip potential free contacts for alarm forwarding 1 8 31 5 Terminal strip 24 volt for alarm forwarding...

Страница 9: ...5 11 2019 LEAK INDICATING UNIT LAE 3 8 9 Exterior view with 139 1 Keypad for board 1 139 2 Keypad for board 2 139 8 Keypad for board 8 69 1 Joint buzzer alarm Design and Function 139 1 139 2 139 8 69...

Страница 10: ...Function Turn off audible alarm signal Briefly press the Mute button once the acoustic signal turns off and the red LED flashes No function 4 3 Alarm In the event of an alarm acknowledge the audible...

Страница 11: ...Chap 7 5 3 Electrical Cables Mains connection LAE and power supply for VLX A Ex tool 5 wire 1 5 mm2 without ferrule or with ferrule without plastic collar Potential free relay contacts 6 wire 1 5 mm2...

Страница 12: ...n in the case of alarm and power failure 60 62 As above but contacts closed 63 23 64 24 Channel 2 no function 63 65 As above no function 66 25 67 26 Channel 3 no function 66 68 As above no function 4...

Страница 13: ...for serial data transfer 1 8 24 3 Fuse F3 100 mA fuse for switching power supply 141 Terminal strip for keypad 1 8 31 1 Terminal strip mains power supply 230 V AC 31 2 Terminal strip mains power suppl...

Страница 14: ...24 V DC 71 Sound off switch 1 8 86 Indicating unit 87 Leak detector 1 8 139 Keypad 1 8 51 51 51 51 52 52 52 52 53 53 53 53 53 53 53 53 54 54 54 54 54 54 54 54 11 11 11 11 60 60 60 L1 L1 N N PE 60 7 7...

Страница 15: ...Installation Example 86 Indicating unit LAE 3 8 87 Tool VLX A Ex 1 8 96 1 Buzzer 24 V DC Mounting 87 86 87 Ex 230 V AC 50 Hz Ex Ex Ex Ex pot frei 51 52 pot frei 51 52 1 8 51 52 51 52 54 53 54 53 VLX...

Страница 16: ...Operation indicator lights up 6 Determination of the audible alarm for the individual connected channels For this purpose establish the alarm status at the re spective connected devices probes or ser...

Страница 17: ...25 11 2019 LEAK INDICATING UNIT LAE 3 8 17 7 Dimensions and Drilling Pattern Dimensions and Drilling Pattern 295 400 260 360 7 8...

Страница 18: ...n shall lose its validity Number short title Satisfied regulations 2014 30 EU EMC Directive EN 61000 6 3 2007 A1 2011 EN 61000 6 2 2005 EN 61000 3 2 2014 EN 61000 3 3 2013 2014 35 EU Low voltage Direc...

Страница 19: ...25 11 2019 LEAK INDICATING UNIT LAE 3 8 19 10 T V Nord certification Certification...

Страница 20: ...019 20 Text Text Legal notice SGB GmbH Hofstr 10 57076 Siegen Germany Phone 49 271 48964 0 E mail sgb sgb de Web www sgb de Photos and sketches are not binding for the scope of delivery Subject to cha...

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