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SGB DLR-G, Documentation

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PRESSURE LEAK DETECTOR 

DLR-G ..

                   24/10/2018

 

- 24 - 

5.9 

Installation Examples 

5.9.1  Leak detector DLR-G .., operating mode "C", supplied by a local nitrogen system 

 

01

 

Signal lamp "Alarm", red 

02 

Shut-off cock 

09 

Signal lamp "Operation", green 

14 

Pressure reducer 

29 

Button "Filling" 

45 

Signal lamp "Refilling", yellow 

51 

Test coupling 

57 

Test valve 

69 

Buzzer 

71 

"Mute" button 

88 

Double-walled pipe 

103 

Display 

104 

On-site compressed air system (e.g. air/nitrogen)

 

 

Mounting 

Summary of Contents for DLR-G

Page 1: ...Documentation Pressure Leak Detector DLR G Read instructions prior to commencing any work As of 10 2018 Item no 604 102...

Page 2: ...unction in Case of Leaks 4 4 Overpressure Valve 4 5 Displays and Controls 5 Mounting the System 19 5 1 Basic Instructions 5 2 Leak Detector 5 3 Selection of the Pressure Gas Bottle 5 4 Setting up the...

Page 3: ...posal 12 Appendix 38 12 1 Evaluation of Tightness Inquiry 12 2 Personal Protective Equipment 12 3 Dimensions and Drilling Pattern Plastic Housing 12 4 Dimensions and Drilling Pattern Stainless Steel H...

Page 4: ...ry WARNING Potentially hazardous situation which if not avoided could result in death or serious injury CAUTION Potentially hazardous situation which if not avoided could result in minor or moderate i...

Page 5: ...mission of the functional test report on ini tial commissioning by qualified personnel Stating the serial number of the leak detector is required The obligation of warranty shall cease to exist in cas...

Page 6: ...r conveyed media with a flash point 60 C for Germany 55 C acc to TRGS 509 and 751 only if their explosive va por air mixtures can be assigned to temperature code T1 to T3 and gas group II A or II B an...

Page 7: ...leted re spective training with SGB through SGB or its authorized representa tive National guidelines must be adhered to For Germany Technical service qualification for installation commissioning and...

Page 8: ...por air mixtures Ensure there is no gas present prior to performing work Comply with explosion regulations e g BetrSichV and or directive 1999 92 EC and the laws of the respective member states result...

Page 9: ...plastic housing 40 C to 60 C stainless steel housing Housing protection class IP 30 plastic housing IP 54 stainless steel housing 3 2 Electrical Data Power supply 100 240 V AC optional 24 V DC Power i...

Page 10: ...ial switching values agreed to by SGB and custom ers Special switching values agreed to by SGB and customers 2 The overpressure valve DV1 can be omitted if it can be assured that the pressure in the i...

Page 11: ...feed pressure dy namic pressure pressure due to geodetic height differences pAE Switching value Alarm ON the alarm will be triggered at this pres sure level at the latest pPA Switching value Refillin...

Page 12: ...of metal or plastic in factory or on site construction For Germany Additional requirements may result from the respec tive permits Operating mode C for double walled pipes installed above or un dergro...

Page 13: ...hibited 5 Not permeable e g double walled steel pipe Exists C Inert gas air pressure 6 I Inert gas Does not exist C Inert gas air pressure 6 I Inert gas 5 The leak detector with inert gas can only be...

Page 14: ...reen 23 Signal lamp Filling or Refilling yellow 29 Button Commissioning filling 44 Solenoid valve 69 Buzzer 70 1 Overpressure valve interstitial space 70 2 Overpressure valve supply 71 Mute button 75...

Page 15: ...ted with 44 Solenoid valve 69 Buzzer 70 1 Overpressure valve interstitial space 70 2 Overpressure valve supply 75 Display board 76 Main board 102 Pressure sensor 140 Contact for serial data transfer a...

Page 16: ...onitored with a pressure sensor in the leak detector Any minor leaks lead to a pres sure drop which will be compensated in the operating mode C Depending on the grade of tightness of the entire unit t...

Page 17: ...of the interstitial space 4 5 Displays and Controls 4 5 1 Display Signal lamps Operating Condition Refilling acti vated or re quired Filling activated Alarm condi tion Alarm audible alarm acknowledged...

Page 18: ...Press and hold the mute button about 10 seconds The alarm will be triggered until the button is released This inquiry is only possible if the pressure in the system has exceed ed the Alarm OFF pressu...

Page 19: ...bottle must be protected from falling over at the construction site If nitrogen is used sufficient ventilation must be provided if com missioning operation is performed in enclosed spaces Attach in f...

Page 20: ...bottle 4 Close shut off valve on the pressure reducer 5 5 Pneumatic Connection Lines Requirements Pressure resistance of the metal generally Cu or plastic pipes must at least correspond with the test...

Page 21: ...lock nut Unscrew valve insert and stick next to the connection with ad hesive tape Screw connection to the interstitial space or test valve and fas ten finger tight If necessary further tighten with s...

Page 22: ...ing of the thread 4 Hand tighten union nut 5 Wrench tighten union nut until need for increased force is notice able approx 1 to 2 turns 5 7 Electrical Cables Power connection Suggested cable lflex Cla...

Page 23: ...age free contacts at Refilling off or in current less condition 17 18 closed 18 19 opened Note In operating mode C 17 18 can be used for Refilling required signal 21 22 Occupied with internal sensor 4...

Page 24: ...by a local nitrogen system 01 Signal lamp Alarm red 02 Shut off cock 09 Signal lamp Operation green 14 Pressure reducer 29 Button Filling 45 Signal lamp Refilling yellow 51 Test coupling 57 Test valv...

Page 25: ...arm red 02 Shut off cock 05 Shut off valve 06 Coupling 09 Signal lamp Operation green 14 Pressure reducer 19 Pressure cylinder 25 Cylinder shut off valve 29 Button Filling 45 Signal lamp Refilling yel...

Page 26: ...valve 0 5 A 24 3 Fuse External signal 1 A 29 Button Filling 44 Solenoid valve 45 Signal lamp Refilling yellow 59 2 Relay External signal 59 3 Relay Alarm 59 4 Relay Refilling 69 Buzzer 71 Mute button...

Page 27: ...pressure build up if necessary 4 After completion of the functional check with operating mode I or to change the bottle Close shut off valve on the pressure reducer Close cylinder shut off valve Remov...

Page 28: ...gins with a pres sure from 150 mbar 5 It may be necessary to press the Filling button repeatedly to achieve complete filling of the interstitial space 6 Check all connections for leaks with a foaming...

Page 29: ...aintenance work and functional checks must be performed by trained personnel only12 Once a year to ensure functional and operational safety Test scope according to section 7 3 Compliance with the cond...

Page 30: ...cted in parallel each one of them must be checked for passage 1 Insert measuring gauge into the test coupling The current pres sure in the interstitial space will be displayed 2 Open the test valve fo...

Page 31: ...es Remove the pressure cylinder 7 The test is considered passed if the values specified in section 3 3 have been satisfied 8 Disconnect the measuring gauge 9 Open all shut off cocks in the connection...

Page 32: ...alue of 5 mbar This means the readability is 25 times 5 0 2 This ex tends the test time to 25 hours 3 Disconnect the measuring gauge after the tightness test has been completed 7 3 5 Tightness test as...

Page 33: ...ase of a malfunction only the red signal lamp will light up yellow is off and at the same time the audible signal cannot be acknowledged 8 3 How to Behave 1 Inform the installation company immediately...

Page 34: ...rpressure switch 24 V DC integrated solenoid valve please indicate screw connection Solenoid valve 342208 Solenoid valve 24 V DC without base body for DLR G Pressure sensors 344510 Sensor 10 bar for D...

Page 35: ...ccessories please refer to our website www sgb de e g Installation kits Electrical isolators Manifolds Pressure reducers Flex tube to connect pressure reducer and leak detector Weather protection cove...

Page 36: ...PRESSURE LEAK DETECTOR DLR G 24 10 2018 36 Pressure limiter P version housing with IP 54 Accessories...

Page 37: ...losion atmosphere can carry over Avoid using spark producing tools saws parting grinders etc for disassembly whenever possible Should this be unavoidable howev er comply with EN 1127 or the area must...

Page 38: ...values mean 50 liter pressure cylinder Display from 8 to 10 Pressure cylinder will probably need to be replaced within one year s time 10 liter pressure cylinder Display from 2 to 10 Pressure cylinde...

Page 39: ...24 10 2018 PRESSURE LEAK DETECTOR DLR G 39 12 3 Dimensions and Drilling Pattern Plastic Housing Space needed to remove the housing lid Space needed to open the housing lid Appendix...

Page 40: ...PRESSURE LEAK DETECTOR DLR G 24 10 2018 40 12 4 Dimensions and Drilling Pattern Stainless Steel Housing for Installation Outdoors IP 54 Appendix 1 2 8 5 220 243 268 250 280 345 295...

Page 41: ...12 EN 61 000 6 2 2006 EN 61 000 3 2 2015 EN 61 000 3 3 2014 2014 35 EU Low Voltage Directive EN 60 335 1 2012 EN 61 010 1 2011 EN 60 730 1 2017 2014 34 EU Equipment for Explosive Atmospheres The pneum...

Page 42: ...ion product which is covered by a harmonized standard Harmonized standard EN 13160 1 2 2003 Notified body T V Nord Systems GmbH Co KG CC Tankanla gen Gro e Bahnstra e 31 22525 Hamburg Germany Identifi...

Page 43: ...24 10 2018 PRESSURE LEAK DETECTOR DLR G 43 12 7 Certification T V Nord Appendix...

Page 44: ...4 10 2018 44 Text Legal notice SGB GmbH Hofstr 10 57076 Siegen Germany Phone 49 271 48964 0 Photos and dimension are not binding E mail sgb sgb de for the extent of delivery Subject to Web www sgb de...

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