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GESTRA LRGT 16-1, Инструкция по установке и эксплуатации

Установочный инструкциям по эксплуатации Flowserve LRGT 16-1 доступен для загрузки бесплатно с нашего веб-сайта. Этот руководство содержит все необходимые инструкции для установки и использования продукта. Скачайте его сейчас с {веб-сайта} для получения подробной информации о продукте.

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Contents  

Page

Electrical connection

LRGT 16-1, LRGT 16-2, LRGT 17-1 .......................................................................................................15

Connection of conductivity transmitter ..................................................................................................15

Connecting LRGT 16-1, LRGT 16-2, LRGT 17-1 .....................................................................................16

Key .......................................................................................................................................................16

Wiring diagram for conductivity transmitter LRGT 16-1, LRGT 17-1 .......................................................17

Wiring diagram for conductivity transmitter LRGT 16-2 .........................................................................17

Safety power supply unit for LRGT 16-1, LRGT 16-2, LRGT 17-1 ...........................................................18

Tools .....................................................................................................................................................18

Factory settings

 ..................................................................................................................................18

Commissioning procedure

Switch on mains voltage and open the terminal box ..............................................................................19

Establishing the measuring range and actual value output ....................................................................19

Checking the setting of temperature coefficient T

K ....................................................................................................................20

Operation

Correcting the measured value ..............................................................................................................21

Adjusting the cell constant ....................................................................................................................21

Function test .........................................................................................................................................22

LED indicator ........................................................................................................................................22

Fault indications and troubleshooting

Indications, diagnosis and remedies ......................................................................................................23

Checking the electronic circuit board  ...................................................................................................25

Replacing the electronic circuit board  ...................................................................................................25

Maintenance

Safety note ............................................................................................................................................26

Cleaning the measuring electrode .........................................................................................................26

Removing and disposing of the conductivity transmitter

Removing and disposing of conductivity transmitters LRGT 16-1, LRGT 16-2, LRGT 17-1 ......................27

continued

Содержание LRGT 16-1

Страница 1: ... 16 1 LRGT 16 2 LRGT 17 1 Installation Operating Instructions 818726 06 Conductivity Transmitter LRGT 16 1 Conductivity Transmitter LRGT 16 2 Conductivity Transmitter LRGT 17 1 GESTRA Steam Systems EN English ...

Страница 2: ...irective and EMC Electromagnetic Compatibility 6 ATEX Atmosphère Explosible 6 UL cUL CSA approval 6 Notes on the Declaration of Conformity Manufacturer s Declaration 6 Technical data LRGT 16 1 LRGT 16 2 LRGT 17 1 7 Scope of supply 9 Name plate marking 9 Installation Dimensions of LRGT 16 1 LRGT 16 2 LRGT 17 1 10 Key 11 Tools 11 Installation Mounting the conductivity transmitter 12 Installation exa...

Страница 3: ...ge and open the terminal box 19 Establishing the measuring range and actual value output 19 Checking the setting of temperature coefficient TK 20 Operation Correcting the measured value 21 Adjusting the cell constant 21 Function test 22 LED indicator 22 Fault indications and troubleshooting Indications diagnosis and remedies 23 Checking the electronic circuit board 25 Replacing the electronic circ...

Страница 4: ... the measuring electrode and the measuring tube which is then used as measuring voltage UU LRGT 16 2 The conductivity electrode consists of two current and two voltage electrodes The current electrodes direct the measuring current UI into the fluid at a fixed frequency thereby creating a potential gradi ent between these electrodes This potential gradient is then picked up by the voltage electrode...

Страница 5: ...it for the ingress of acids alkalis or seawater EN 12952 7 EN 12953 6 TRD 604 page 1 Attention The name plate specifies the technical features of the equipment Do not commission or operate any item of equipment that does not bear its own specific name plate Safety note Danger Steam or hot water can escape when the conductivity transmitter is loosened This presents a risk of severe scalding all ove...

Страница 6: ...with European Directives please refer to our Declaration of Conformity or our Manufacturer s Declaration The current Declaration of Conformity Manufacturer s Declaration is available at www gestra com documents or can be requested from us Approval for Marine Use Conductivity transmitter LRGT 16 1 is certified for marine use EU Pressure Equipment Directive 2014 68 EU The conductivity control monito...

Страница 7: ...00 1000 mm for marine applications max 400 mm LRGT 16 1 180 300 380 500 600 800 1000 mm Temperature sensor Resistance thermometer Pt 1000 Electronic circuit board Supply voltage 24 V DC 20 Power consumption 4 5 W Fuse Electronic thermal fuse Tmax 85 C hysteresis 2 K Cycle of measurement 1 sec Temperature compensation Linear Tk adjustable via code switch 0 per C 1 6 3 0 per C in increments of 0 1 T...

Страница 8: ...accordance with the guidelines of Germanischer Lloyd GL 33254 06 HH Technical data LRGT 16 1 LRGT 16 2 LRGT 17 1 LRGT 16 1 LRGT 17 1 Measuring ranges µS cm at 25 C Current output mA µS cm 4 mA corresponds to 20 mA corresponds to 100 3000 100 3000 5000 5000 7000 7000 10000 10000 Selected via code switch Maximum load for actual value output 750 ohm Conversion µS cm in ppm parts per million 1 µS cm 0...

Страница 9: ... 06 HH GL 0525 24 V DC Pmax Tmax LRGT 16 1 0 5 12000µS cm OUT 4 20 mA 750 4 5 W 0 25 6000ppm Leitfähigkeitstransmitter Conductivity Transmitter Transmetteur de mesure de conductibilité Münchener Str 77 D 28215 Bremen Betriebsanleitung beachten See installation instructions Voir instructions de montage Tamb 70 C 158 F PN40 G1 1 4571 IP65 32 bar 464psi 238 C 460 F TÜV WÜL xx 003 xx 017 0525 24 V DC ...

Страница 10: ...ensions of LRGT 16 1 LRGT 16 2 LRGT 17 1 Fig 3 LRGT 16 2 A 9 1 b 68 173 336 28 1 GESTRA LRGT 16 1 GESTRA Steam Systems 173 b 68 336 28 9 1 mm LRGT 1 1 LRGT 16 2 200 180 300 300 400 380 500 500 600 600 800 800 1000 1000 G1 A ISO 228 1 4 6 3 2 6 RA 3 2 0 5 40 G1 A ISO 228 RA 12 5 Fig 4 G1 A ISO 228 5 5 3 7 7 8 ...

Страница 11: ... Use only the supplied sealing ring 33 x 39 form D DIN 7603 1 4301 bright annealed Do not lag the terminal box along with the rest of the boiler Do not insulate the electrode thread with hemp or PTFE tape Do not apply conductive paste or grease to the electrode thread The specified torques must be strictly observed continued Key 1 Measuring length and installed length 2 Measuring tube 3 Sealing ri...

Страница 12: ...not subject measuring electrodes to physical shocks Do not bend electrode rods when mounting Mounting the conductivity transmitter 1 Check seating surfaces Fig 4 2 Place the supplied sealing ring 3 onto the seating surface of the threaded coupling or flange 3 Apply a light smear of heat resistant silicone grease e g WINIX 2150 to the electrode thread 5 4 Screw the conductivity transmitter into the...

Страница 13: ...36 G 1 A ISO 228 R LRGT 16 1 LRGT 17 1 R 30 mm LRGT 16 2 R 60 mm Conductivity monitoring and continuous boiler blowdown direct installation of conductivity trans mitter via T type connector and connection of a continuous blowdown valve Fig 7 LRGT 16 1 LRGT 16 2 LRGT 17 1 R LRGT 16 1 LRGT 17 1 R 30 mm LRGT 16 2 R 60 mm 250 NW LW NB R GESTRA Steam Systems GESTRA Steam Systems GESTRA LRGT GESTRA LRGT...

Страница 14: ...LRGT 17 1 G 1 A ISO 228 Key 0 Boiler drum a Sealing ring 33 x 39 form D DIN 7603 1 4301 bright annealed b T type connector provided on boiler DN 50 c Shut off valve GAV d Continuous blowdown valve BAE e Level pot f Cover screws cross recess head screws M4 g Housing cover h EMC cable gland M 20 x 1 5 i Fixing nut for terminal box j Code switch k LED 1 green l LED 2 red m Terminal lugs for electrode...

Страница 15: ... without cover plate f g h ON 1 2 3 4 5 6 7 8 9 0 p i Toggle switch white j l k n o m h A self locking fixing nut i connects the terminal box to the electrode part Before establishing the electrical connection you can therefore rotate the terminal box max 180 into the desired direction cable outlet Connection of conductivity transmitter ...

Страница 16: ...lar insert s with the sealing ring t onto the cable 6 Bend braided screen r outwards at right angles 90 7 Fold the braided screen r towards the outer sheath i e by 180 in total 8 Push the lamellar insert s with sealing ring t into the gland body q turn briefly to and fro around the cable axis and snap anti rotation element into place 9 Firmly screw on the cap nut u 10 Connect the individual cables...

Страница 17: ... Ground Measuring electrode Toggle switch white 4 20 mA max load 750 Ω 24 V DC Temperature sensor Pt 1000 Wiring diagram for conductivity transmitter LRGT 16 2 Fig 13 Ground 1 2 3 4 5 1 I 2 U U 3 4 5 6 I 1 2 3 5 6 4 1 ON 2 3 4 5 6 7 8 9 10 Toggle switch white Terminal lugs Measuring electrode Temperature sensor Connecting point for functional earth 4 20 mA max load 750 Ω 24 V DC continued Pt 1000 ...

Страница 18: ...tective separa tion The PSU must be equipped with a protective device to DIN EN 61010 1 Tools Screwdriver size 1 Screwdriver size 2 5 fully insulated to VDE 0680 1 Safety power supply unit for LRGT 16 1 LRGT 16 2 LRGT 17 1 Electrical connection Factory settings The conductivity transmitter is supplied with the following factory set default values LRGT 16 1 LRGT 17 1 Measuring range 0 5 µS cm 500 µ...

Страница 19: ... Current output mA µS cm 1 2 3 4 mA corresponds to 20 mA corresponds to OFF OFF OFF 0 5 20 0 5 20 ON OFF OFF 100 100 OFF ON OFF 200 200 ON ON OFF 500 500 Factory settings OFF OFF ON 1000 1000 ON OFF ON 2000 2000 OFF ON ON 6000 6000 ON ON ON 12000 12000 LRGT 16 1 LRGT 17 1 Code switch Measuring range µS cm at 25 C Current output mA µS cm 1 2 3 4 mA corresponds to 20 mA corresponds to OFF OFF OFF 10...

Страница 20: ...there is a difference between the indicated conductivity and the measured comparison value correct the transmitter readings by setting a lower or higher temperature coefficient Continue modifying the Tk setting step by step until the indicated conductivity value matches the measured comparison value Please wait 1 to 2 minutes after each step to allow the measured value to settle Code switch Temper...

Страница 21: ...nt at the transmitter or have a second person perform the adjustment n If adjustment is no longer possible remove the transmitter and clean the measuring surface and or electrodes Note Repeat the cell constant adjustment procedure until the indicated conductivity matches the measured comparison value The cell constant can be reset to its default value To do so set code switches 8 and 9 simultaneou...

Страница 22: ... test OFF Normal operation ON Simulation measuring range limit exceeded The two LEDs in the middle of the electronic circuit board indicate the status of the conductivity transmitter Normal operation Green LED Red LED Current output mA Conductivity 0 to 10 of measuring range lit up proportional to measured value Conductivity 10 to 90 of measuring range lit up lit up proportional to measured value ...

Страница 23: ... measured comparison value Increase temperature coefficient Tk during commissioning Increase cell constant during operation Measuring result cannot be adjusted by changing the cell constant Remove conductivity transmitter and clean measuring surface measuring electrodes The equipment fails to work Error Remedy Power failure Switch on supply voltage Check all electrical connections Faulty electroni...

Страница 24: ...sed Check water level and or installation Green LED flashing 20 Value above set value 100 e g measuring range too small Set a larger measuring range Red and green LEDs are flashing alternately 0 Temperature in terminal box exceeds 85 C Check ambient temperature make sure it does not exceed 70 C Red and green LEDs are flashing alternately 0 5 Open or short circuit in wires to resistance thermometer...

Страница 25: ...for the electronic circuit board and remove the board The circuit board is available as a spare part Order no LRGT 16 1 LRGT 17 1 LRGT 16 2 321320 LRV 1 40 24 V DC 321370 LRV 1 42 24 V DC 6 Install the new electronic circuit board in reverse order to the above Replacing the electronic circuit board In the event of faults that cannot be remedied with the aid of this manual please contact our servic...

Страница 26: ...lacken the locking grub screw 4 unscrew the measuring tube 2 by hand and then clean the electrode rod and measuring surface Fig 2 Safety note Danger Steam or hot water can escape when the conductivity transmitter is loosened This presents a risk of severe scalding all over the body Therefore only dismantle the conductivity transmitter when the boiler pressure is 0 bar The conductivity transmitter ...

Страница 27: ...ble gland 4 Make sure the equipment is not hot or under pressure before dismantling it Dispose of the conductivity transmitter in accordance with statutory waste disposal provisions Maintenance Danger Take care not to bend the electrode rod s and prevent hard physical shocks to the rod s Note After cleaning the electrode rod s the conductivity transmitter should indicate the correct conductivity o...

Страница 28: ... AG Bremen Printed in Germany You can find our authorised agents around the world at www gestra com GESTRA AG Münchener Straße 77 28215 Bremen Germany Telefon 49 421 3503 0 Telefax 49 421 3503 393 E mail info de gestra com Web www gestra de ...

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