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Underpressure leak detector

VL – H9

Z – 65.22 - 110

Documentation VL-H9

ICHERUNGS

ERÄTE

AU GMBH

Hofstraße 10

57076 Siegen

Art. No.: 601 602
Status: 01/2005

Summary of Contents for VL-H9

Page 1: ...Underpressure leak detector VL H9 Z 65 22 110 Documentation VL H9 SICHERUNGSGER TEBAU GMBH Hofstra e 10 57076 Siegen Art No 601 602 Status 01 2005...

Page 2: ...n of the Vacuum Leak Detector VL H9 1 Safety Instructions 4 pages 2 Technical Description of SGB 30 pages 3 Technical Data 1 page 4 Worksheet AB 820 500 Installation of Screwed Connections 2 pages 5 G...

Page 3: ...d sections 3 and 4 have been rewritten and section 5 has been added 1 Chose a mounting place where the ventilation in the housing by convection between the flange plate be distant to the housing and t...

Page 4: ...idered as having zone 1 conditions attach a warning sign if necessary B The exhaust ends in zone 1 e g remote fill chamber or collection space An explosion protection device1 must be provided at the e...

Page 5: ...the line connection has to be installed profesionally Not used entrances shall be closed with suitable Ex d approved plug 6 To section 8 1 General Notes 3 to 5 has been added to this section 3 To cle...

Page 6: ...documentation as follows For removal the following points must be observed in particular Make sure the unit is free of gas before and during removal see also section 4 above Seal any openings gas tig...

Page 7: ...type VL H9 MV design with solenoid valve 11 4 3 Functional description of type VL H9 LS design with leakage probe 11 5 Design of the leak detector 11 6 Installation instructions 12 6 1 General instru...

Page 8: ...the trip values of the pressure switch 27 8 3 3 1 Checking with interstitial space 27 8 3 3 2 Short duration test with intermediate receptacle 28 8 3 4 Checking of the pump suction head 29 8 3 5 Leak...

Page 9: ...rms that the suitability of the interstitial space for connection of a leak detector VL H9 has been checked 3 1 2 Interstitial spaces double walled steel to 3 1 1 or equivalent design double walled pl...

Page 10: ...iquids to be stored Inflammable liquids incompatible with water hazard classes AI AII AIII and B and explosive steam air mixtures corresponding to gas group IIA or IIB and to temperature code T1 to T3...

Page 11: ...hereas for underground tanks a min density p 1kg dm has generally to be assumed 3 4 2 Flat bottom tanks Tanks to DIN 4119 with a suction line reaching to the deepest point of the interstitial space 3...

Page 12: ...r by measuring the litres taking account of the tank geometry The alarm is ensured when the following conditions are complied with V1 Volume of the interstitial space at filling height h1 V0 Total vol...

Page 13: ...letely installed in potentially explosive locations VL H9 Ex Ex Ex Network VL H9 Ex Application Leak detector type Leak detector for tanks to 3 1 and 3 4 1 3 4 4 consisting of operation unit installed...

Page 14: ...utside potentially explosive locations VL H9 A Ex with VL H9 ZME Ex Ex Network VL H9 A Ex VL H9 A Ex VL H9 A Ex VL H9 ZME 5 5 5 5 Connection of another leak detector not explosion proof Application Le...

Page 15: ...ector for tanks to 3 1 and 3 4 1 3 4 4 consisting of operation unit installed in potentially explosive locations signalling unit installed outside potentially explosive locations leakage probe VL H9 A...

Page 16: ...ses to the trip value Alarm On an optical and acoustic alarm is activated 5 When the pressure drops to the trip value Alarm Stop the alarm is cancelled e g functional check 6 If leakage occurs and liq...

Page 17: ...gives an optical and acoustic signal when a leak is detected 5 Design of the leak detector The leak detector VL H9 is available in various versions see paragraph 3 5 which are listed as follows VL H9...

Page 18: ...f potentially explosive locations 2 The leak detector VL H9 Ex can be installed outdoors In this case it should be shielded from direct sunlight 3 In order to protect the leak detector from excessive...

Page 19: ...mm ends with green colour rings 7 Connection lines must be installed with a continuous drop of a minimum of 4 If this is not possible a compression proof condensate trap must be provided for at each l...

Page 20: ...tions has been installed on the building outside 3 The leak detector VL H9 Ex the central signalling unit VLH9 ZME and the signalling unit VL H9 ME are designed for an electrical supply of 230V 50Hz T...

Page 21: ...e electrical connection line between operation unit and central signalling unit 1 Requirements of the line The line must be of the double insulated type Colour of the outer sheath grey other colours e...

Page 22: ...entral signalling unit VL H9 ZME in order to obtain a central alarm and pump running indication 2 Such connection presupposes that the leak detector has a potential free contact that opens in the case...

Page 23: ...sheath blue intrinsically safe circuit No of wires 2 the wires should be distinguishable Max specific resistance 25 Cross section 0 75 1 5 mm 2 The connection line between the leakage probe and the si...

Page 24: ...cle e g 10 l gas bottle must be connected to the suction socket on the tank by means of a PVC hose with an internal diameter of 6 mm minimum By means of the vacuum generated leak detection liquid is p...

Page 25: ...ha l ten un d Ins t a l lati o nsfi rma b en a ch ri ch ti g e n W art u ng D erL e ckanze i ge rmu einma l j hrl i c h vo mSac hku n di g en e i n e s Fa chbetr ieb e s od e rde s B e t re i b e rsa...

Page 26: ...tisches Signal abstellen Sicherung F1 Sicherung F2 Au ensignal 2 5 A flink Pumpe 1 A flink KG KG KG Mains 230V 50Hz Ex Ex VL H9 A Ex DS DS DS ML ML AL AL SL SL FS DIN 6618 2 AH1 AH1 AH2 DS1 DS2 DS Det...

Page 27: ...eeinheit PTB Nr xxxxxxxxxxxxxxxxxxxxx Alarm Bei Aufleuchten eines roten Leuchtmelders Alarm akustischen Alarm abstellen und Installationsfirma benachrichtigen Pumpe Der gelbe Leuchtmelder Pumpe leucht...

Page 28: ...iebsdaten 230V 50 Hz 60W mit Arbeitsger t potentialfreier Kontak t Au ensignal 230V 5A 230V 2 5 A Netz Der gr ne Leuchtm elder Netz mu im mer leuchten Betrieb Der wei e Leuc htmelder B etrieb bereitsc...

Page 29: ...PTB Nr xxxxxxxx xxxxxxxx Nennbetriebs daten 230V 50 Hz 60W mit Arbeits ger t potentialfreier Kontakt Au ensignal 230V 5A 230V 2 5 A Netz Der gr ne Leuchtmelder Netz mu imm er leuchten Betrieb Der wei...

Page 30: ...liary pump is connected to the suction line socket on the tank Never connect it to the testing socket of the leak detector A pressure gauge is connected to the measuring line of the testing socket The...

Page 31: ...cked for functional safety by an expert from a specialist company or by the tank user s expert 2 The extent of the annual check is described in paragraph 8 3 3 It should be ascertained whether the pro...

Page 32: ...he leak detector Now the connecting lines are at atmospheric pressure and the condensate traps can be emptied Measuring line Suction line Shut off cock on the tank closed closed Position of the stop v...

Page 33: ...tion of the pump In this way the trip values of the pressure switch as per table 1 can be checked In the case of the operation unit VL H9 A MV Ex the pump must switch off when the alarm point is reach...

Page 34: ...sed the pressure drops again by means of the vacuum pump of the leak detector In this way the trip values of the pressure switch as per table 1 can be checked Make sure that the pressure changes slowl...

Page 35: ...osition Measuring line Suction line Shut off cock on the tank closed closed Position of the stop valves on the tank when checking the pump head 8 3 5 Leak test mbar mbar 1000 1000 800 800 400 400 600...

Page 36: ...H9 Ex are lead sealed Measuring line Suction line Shut off cock on the tank open sealed open sealed Position of the stop valves on the tank during operation The specialist must record the test results...

Page 37: ...W Pump fuse F1 1 A quick acting or semi time delay External signal fuse F2 2 5 A max 3 A External signal fuse F2 ONLY VL H9 Ex 0 125 A quick acting Solenoid valve fuse F3 0 1 A semi time delay Extern...

Page 38: ...ad of the basic body 3 Olive threaded fitting for plastic and metal pipes 1 Insert the reinforcing sleeve into the end of the pipe 2 Knock in the reinforcing sleeve 3 Push the union nut and the olive...

Page 39: ...und 3 Wire clip clamp tightly using pliers and push onto the joint Screw clip push the clip over the joint and tighten it using a screwdriver care must be taken that the clip is a smooth tight fit 6 T...

Page 40: ...oval of the Building Inspection Authorities dated April 17 1997 Approval no Z 65 22 110 Applicant Sicherungsger tebau GmbH Hofstr 10 D 57076 Siegen Subject of approval Leak detector forming part of a...

Page 41: ...for underpressure systems They are also suitable for single wall DIN containers or single wall containers with general approval by the building inspection authorities which are operated with a leak pr...

Page 42: ...se tanks are equipped with a suitable approved lining 1 3 This general approval confirms the functional safety of the subject of approval in the sense of paragraph 1 1 It does not signify that the com...

Page 43: ...he manufacturer shall carry out in house inspection and testing In the course of such in house inspection and testing every leak detector or its components must be checked By means of such individual...

Page 44: ...e to the liquids to be stored Liquids indicated in the positive list table 2 of DIN 6601 8 as being compatible with the materials as well as other liquids which can be compared to the aforementioned l...

Page 45: ...ermissible tank operating pressure is applied The solenoid valve must be closed during the test The leakage probe of the leak detector unit shall be installed in the lowest position of the interstitia...

Page 46: ...46 von 50 By SGB limited to T3...

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Page 49: ...claration applies to items that are produced according to the documentation technical description and drawing s that are part of this declaration The following regulations were applied to evaluate the...

Page 50: ...ur date of sale Our warranty will be effective only if the customer submits to us the functional report or test report on initial putting into service prepared by a recognised company specialised in w...

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