Installation guide 762 VITO Interface
Contents
1. 762 VITO MTT interface Instrument label VITO interface Tag plate optional M20x1 5 cable entry 118 mm 4 10 16 Label VITO probe External grounding Flange optional terminal Adjusting pipe G 1 2 300 mm 11 13 16 2700 mm Z 3 9 16 th Overall len Position highest element _ gt co r e Position reference element go D S S o Su UT cm o 2 Q d GC Rm E z as ERE N T 9 ElElo E Position lowest element E Elols i gloj E ov oy d oY S Anchor lug 15 mm 9 16 64D 764C 7621 162Z l Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 28 Appendix B Dimensional drawing sensitive length water sensor A 765 485 mm 1 7 2 16 B 765 985 mm 3 2 12 16 C 765 1985 mm 6 6 2 16 762 VITO MTT interface Tag plate optional M20x1 5 cable entry Label VITO probe Flange optional Adjusting pipe G 1 2 Anchor lug 5 mm 3 16 Instrument label VITO interface Appendix VITO 765 Water probe 146 mm 5 12 16 space needed to remove cover 124 mm T1499 90 mm 3 8 16 55 mm 2 3 16 im 2 6 16 200 mm 7 14 16 4 10 16 118 mm External grounding terminal 300 mm 11 13 16 Overall length Position reference element water se2. 768C 7621 X 762Z l Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 32 Appendix Appendix F Dimensional drawing 361 MPT temperature probe 146 mm 5 12 16 space needed to remove cover 124 mm 4 14 16 762 VITO MRT interface X Instrument label VITO interface amp Tag plate optional M20x1 5 cable entry 118 mm 4 10 16 Label VITO probe External grounding Flange optional terminal Adjusting pipe G 1 2 255 mm 10 2700 mm 2 3 9 16 Overall leng Position highest element BENE E K o 4 Position lowest element n E E L e 2 628 5 mm z Anchor lug 615 mm 9 16 1 2 16 961 D 961 C T621 162Z Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 33 Appendix G Dimensional drawing 365 Combi probe 146 mm 5 12 16 water sensor element USA 365 485 mm 1 7 2 16 1000 mm 3 3 6 16 USB 365 985 mm 3 Z 12 16 1350 mm 4 5 2 16 USC 365 1985 mm 6 6 2 16 2350 mm 7 8 8 16 A e 762 CEPS interface 3 EF y Instrument label CEPS interface E Tag plate optional S i E E M20x1 5 cable entry E S 3 5 Label VITO probe External grounding Flange optional terminal Adjusting pipe G 1 2 2700 mm 2 3 9 16 4 Position hig
3. threading is clean if needed clean the threading with an old tooth brush and apply anti seize Caution Do not damage the thread of the cover Before closing inspect clean and lightly grease with anti seize When closing turn cover counter clockwise till thread clicks in place then turn clockwise until cover is fully closed Make sure the cable gland is water tight use Teflon tape or a suitable pipe sealant if needed Use of a self fusing silicone tape such as rescue Tape or a suitable pipe sealant is recommended to protect the cable gland from the environment 2 5 1 2 Refer to figure 7b Version with optional IP adapter Clean the threads on the temperature probe and lower IP adapter 3a removing any old grease anti seize dirt etc Apply a light smooth layer of the Agip TOP 2000 grease over the temperature probe threads Turn the remaining nut 1 for appr 25 mm 1 onthe adjusting pipe and place the remaining lock washer 2 on top of the nut Bolt the lower IP adapter 3a to the temperature probe Tighten the adapter to the probe to achieve positive sealing between the two parts Tightening the adapter to the probe will compress squared ring located inside of the adapter Note Make sure not to over tighten the connection and or damage the ring Looking through the opening on the adapter top side you will be able to see when the sealing ring gets oval shape while the probe has p
4. 23 kg 50 Ib for 76x probes Position the gasket on the tank nozzle Caution Static Electricity Danger Make sure the probe is properly bonded before inserting the probe into the tank If needed use an electric cable with alligator clamps to ground the probe to the tank nozzle before installation Wait at least 30 minutes after the last tank movement Slowly feed the temperature probe into the tank be careful not to damage the corrugated stainless steel tube when lowering the probe into the tank by making sure it does not rub over the tank nozzle Secure flange 2 on the roof well nozzle and make ground connection across the flanges Lock the VITO probe by means of lock washer 3 and lock nut 4 Place the instrument label 5 and secure it by nut 6 Go to section 2 5 Installation 762 VITO Interface Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 11 Mechanical installation 2 4 Removing VITO temperature probe on cryogenic tank Warning Open the vent screw when removing the VITO temperature probe from a cryogenic tank This must be done to prevent the hose of the VITO temperature probe to shrink in an uncontrolled matter which can harm persons In cryogenic applications a vacuum can be created in the stainless steel hose of the VITO temperature probe When removing the VITO temperature probe and there is such a vacuum inside the hose there can become a d
5. MPT water amp temperature probe Installation preparations Dip tape Before installation can be started it is recommended Rant to verify the installation height and probe length Measure the distance refer to figure 5 roof nozzle well nozzle tank bottom Note If the commissioning takes place directly after installation also measure the product a Read level and the amount of water in the tank at the place of the probe These measurements will be used with the Product commissioning s Unroll the probe at a suitable place s Make sure the probe is completely stretched s Measure along the probe starting from the bottom side and mark the measured Figure 5 Checking overall length nozzle height at the threaded top side and water level adjusting pipe Read Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 10 Mechanical installation Installation Refer to figures 2 and 4 Remove optional lower IP adapter 7 nuts 3 pc instrument label s 5 and lock washers 2 pc from the adjusting pipe 1 Screw the flange 2 with G threaded hole on the adjusting pipe till the marked position Note Take care not to damage the flying leads when shifting the flange over the flying leads Use a suitable pipe sealant on the adjusting pipe for sealing threaded part of the flange Hook up anchor weight s if applicable Maximum weight 9 kg 20 Ib for 365 probe and
6. gauge direct connection up to 6 Pt 100 elements or with the VITO MRT interface The environmental conditions for the VITO interfaces amp probes are Ambient temperature VITO Interface 40 to 60 C 40 to 140 F Relative humidity VITO Interface 0 100 Ingress protection VITO Interface IP 65 Operating temperature probes 764 low temp version 200 to 70 C 328 to 158 F 764 767 standard version 55 to 135 C 67 to 275 F 764 high temp version 55 to 200 C 67 to 392 F 764 very high temp version 55 to 250 C 67 to 482 F 765 766 768 365 probe Oto 100 C 32 to 212 F MRT probe 50 to 200 C 58 to 392 F 361 low temp version 200 to 50 C 328 to 122 F 361 standard version 50 to 120 C 58 to 248 F 361 high temp version 50 to 200 C 58 to 392 F 361 very high temp version 20 to 250 C 4 to 482 F 365 standard version 20 to 120 C 4 to 248 F Note Water measurement performance depends on the phase of water and constitution Operation pressure probes 5 bar 500 kPa 72 psi 76x probes 6 bar 600 kPa 87 psi 36x probes Caution The 762 VITO Interface is an instrument with intrinsically safe output input circuits Modification to the instrument may only be carried out by trained personnel which is authorized by Honeywell Enraf Failure to adhere to this will invalidate the approval certificate Honeywell Enra
7. 5 mm 1 onthe adjusting pipe and place the remaining lock washer 2 on top of the nut Unpack the VITO Interface preferable on the tank e Apply Teflon tape or a suitable pipe sealant on the first 20 mm 3 4 of the adjusting pipe Remove the cover from the VITO Interface enclosure s Feed the flying leads through the lower opening of the VITO Interface enclosure Note With 762 CEPS Interface and 365 Combi probe it may be required to remove the front temperature module to feed the flying leads into the 762 CEPS enclosure refer to section 3 2 3 and figure 10 Caution Make sure the probe wiring is not damaged when mounting the VITO enclosure on the threaded pipe Figure 7a Installation VITO Interface standard version e Turn the VITO Interface onto the VITO probe s adjusting pipe The VITO Interface will fit for appr 12 to 15 mm 14 to 5 5 onto the adjusting pipe e Prevent the VITO Interface from turning by fastening lock nut 1 with lock washer 2 Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 13 Notes Mechanical installation When the electrical installation is carried out at a later stage the cover of the VITO Interface enclosure can be closed after verifying there is no wire or cable in the gap between the shield and the enclosure Make sure the cover
8. A Interface 762 v Te t be S EE c RE tpa ee 4012 112 12 2 E 1 2 1 E K A TTA EES KL SSK EEE E ZT Z 9 gt ee o 5 a a a a z z z o o o o Highest element Lowest element e w c g 2 a gt Zlols S lS IF lo e In le o x lo ly 8 fa foe j joe jo foe joe j joe jo jo a jae o e jeje fe fe fe le je fe je Je fe je je e gt 2 o g z 555 8 S IS IE s 2 a je la l fe e 3 a S S a O jo 512151515 2 CB o e s cg s Sat s y O gt 16 g c Q o mie Ba R R R R R9 R8 R7 R6 R5 R4 R3 R2 R1 13 12 11 10 MRT with Spot Element Figure 14 MRT probe connected to 762 VITO MRT Note Non used MRT elements connections should be left open Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 25 Electrical installation Caution With RTD s first connect one of the common wires of each RTD to GND REFO GND REF 1 GND REF2 A vito MRT amp amp Interface 762 OO o VT VVV0V01C0CO0 OTT 2 1 2 1 Temperature connections uz hbc uLccprcrcrcrcck uj c WU C CWE k ba yo L 8 o a oc a z z z o o o o e o o N i y o u S u amp u amp E Gl 4 s El o o aj l z z o o o RTD3 RTD2 RTD1 highest lowest Figure 15 Three separated RTD s connected to 762 VITO MRT Note Non used RTD s elements connectio
9. Installation guide 762 VITO Interfaces amp VITO MTT LT MRT and MPT probes June 2014 Part no 4416 648 Rev 9 CE Honeywell Enraf P O Box 812 2600 AV Delft Netherlands Honeywell Enraf Tel 31 15 2701100 Fax 31 15 2701111 E mail hfs tac support honeywell com Website www honeywellenraf com Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 1 Table of Contents Table of Contents i E 3 1 Salty ue sie e FN YG TN 1 1 Safety aspects of the VITO Interfaces amp probes 1 2 Personal safety cccccecceeeeeceseeeeeeeeeeeteeeeeeeee dd 1 3 Safety Conventions ei nU eura etri irae rte dope DN CY ARLENE DT 2 Mechanical installation 6 2 1 Recommended tools 5 etcetera tene 6 2 2 Mechanical installation of 764 767 361 MRT temperature probe 6 2 21 Installation in a vertical thermowvell sess 6 2 2 2 Installation directly in the tank suspended from roof nozzle 8 2 3 Mechanical installation of 765 766 768 365 VITO water and temp probe 9 2 4 Removing VITO temperature probe on cryogenic Lank ee eee eee e e 12 2 5 Installation 762 VITO lnteiare eee eee eee 2 5 1 Installation 762 VITO Interface directly on VITO probe MRT E 2 5 1 1 Standard version without optional IP adapter 2 5 1 2 Version with optional IP ad
10. VITO probe External L E grounding ba Flange optional terminal E Adjusting pipe G 1 2 5 e e 2700 mm 2 3 9 16 Overall leng lt Position highest element 1000 mm 3 3 6 16 Position reference element g amp TO G gr o RB ac es am E a a EJE E _ ositon west element E Elis ET H E SYS sy TA Anchor lug 15 mm 9 16 767D 767C 7621 7162Z l Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 31 Appendix E Dimensional drawing VITO 768 Combi probe 146 mm 5 12 16 sensitive length Position reference space needed to remove cover water sensor element A 76 485 mm 1 7 2 16 1000 mm 3 3 6 16 B 76 985 mm 3 2 12 16 1500 mm 4 11 1 16 C 76 1985 mm 6 6 2 16 2500 mm 8 2 7 16 8 762 VITO LT interface 3 F Instrument label VITO interface E E Tag plate optional E M20x1 5 cable enty ES L Label VITO probe External grounding Flange optional terminal Adjusting pipe G 1 2 300 mm 11 13 16 2700 mm Z 3 9 16 lt t Position highest element Overall length lt Position reference element Position lowest element Position reference element s HE 5 DHL amp JE T S E Anchor lug 85 mm 3 16 17 6 16 i c 68D
11. angerous situation for those persons removing the probe To prevent this the VITO probes for cryogenic temperature measurement have an additional coupling with a vent screw The vent screw is located below the coupling with the adjusting pipe Just lift the VITO temperature probe till the vent screw can be reached and remove the vent screw before completely retracting the VITO temperature probe Refer to figure 6 Vent screw Figure 6 Vent screw Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 12 Mechanical installation 2 5 Installation 762 VITO Interface The VITO interface is typically installed directly on top of the VITO probe MRT refer to section 2 5 1 For installations where the VITO interface cannot be installed directly on the VITO probe MRT e g when the adjustment pipe is installed close to a stilling well or other mechanical obstruction it is possible to install the VITO Interface in close proximity of the VITO probe refer to section 2 5 2 For VITO MPT probes with six 6 or less Pt100 sensors there is no need for the VITO Interface when used in combination with the 990 series SmartRadar FlexLine refer to section 2 5 3 2 5 1 Installation 762 VITO Interface directly on VITO probe MRT 2 5 1 1 Standard version without optional IP adapter Refer to figure 7a s Turnthe remaining nut 1 for appr 2
12. apter eee eee ee 2 5 2 Installation of VITO Interface in close proximity of VITO probe MRT 16 2 5 3 Installation of VITO MPT probe in combination with SmartRadar FlexLine 16 3 Electrical installatiori euin tnt 3 1 Bonding of the VITO Interface E 3 2 VITO Interface wiring to tank level gauge eee eee eee 18 3 2 4 Cable requirements ceccceecesceeeceeeeeeeececeaeeeaeeseneceaeeeaeeseaeeseeseeeseeeeeeeees 18 3 2 2 Supply data communication connection for 361 VITO MPT probe 76x VITO probes and MRT aeu iniret n ree a ec rtg ete cda e ever dv eres 19 3 2 3 Supply data communication connection for 365 VITO MPT probe 19 33 Sensor CONNECHONS uii inii eta dyw n trt Y CYW NW e te t roi ee 21 Appendix A Dimensional drawing VITO 764 Temperature probe 28 Appendix B Dimensional drawing VITO 765 Water probe eee eee 29 Appendix C Dimensional drawing VITO 766 Combi probe 90 Appendix D Dimensional drawing VITO 767 Temperature probe 31 Appendix E Dimensional drawing VITO 768 Combi probe 32 Appendix F Dimensional drawing 361 MPT temperature probe 33 Appendix G Dimensional drawing 365 Combi probe 34 Appendix H Related documents vai iicet erre erre deter er er brennen 35 Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 2 Preface Preface This installation guide is intende
13. ation The shielding must be connected to ground at both ends of the cable 3 2 2 Supply data communication connection for 361 VITO MPT probe 76x VITO probes and MRT Refer to figure 9 3 2 3 Remove the cover from the VITO Interface enclosure if not already a removed Remove the black plastic shield from the VITO Interface converter block Insert the gauge wire into the cable gland on the left hand side of the VITO Interface enclosure Connect the twisted pair of gauge wire 2l Eses Soe Ly to the terminals on the lower left hand C 2 side of the converter block YV Ho pin 1 2 ae pin 2 1 1 Re install the black plastic shield Figure 9 Connection of twisted pair For gauge wiring Supply data communication connection for 365 VITO MPT probe When a 365 MPT temperature and water probe is used the VITO Interface contains two modules One for the spot temperature elements at the front and one for the capacitive water probe at the rear Both modules need to be connected with a separate supply data communication cable Refer to figure 10 Remove the cover from the VITO Interface enclosure if not already removed Remove the black plastic shield from the VITO Interface converter block 1 Disconnect yellow green ground wire 3 Remove front temperature module by loosening the two hex screws marked 2 and store at a safe place Insert
14. d for technicians involved in the mechanical and electrical installation of the Honeywell Enraf series 76x and 36x temperature and or water probes and the 762 VITO Interface There are three 762 VITO Interface versions VITO MTT 16 elements gt only to be used in combination with 764 765 766 probe VITO LT 9 elements gt only to be used in combination with 767 768 probe VITO MRT max 14 elements gt only to be used in combination with RTD MRT 36x MPT probe Note The 361 VITO MPT probe up to 6 Pt 100 elements can be directly connected to the 990 SmartRadar FlexLine without the need of a 762 VITO MRT Interface The technician must have basic technical skills and knowledge of safety regulations and explosion proof equipment in hazardous areas EC declaration of conformity Refer to the EC declaration of conformity shipped with the instrument Note The connection to the instrument must be made with shielded cable The shielding must be grounded in the cable gland on both ends of the cable Legal aspects The mechanical and electrical installation shall only be carried out by trained personnel with knowledge of the requirements for installation of explosion proof equipment in hazardous areas The information in this installation guide is the copyright property of Enraf B V Netherlands Enraf B V disclaims any responsibility for personal injury or damage to equipment caused by Deviation from any of the prescribed procedu
15. e used with the 365 MPT temperature and water probe requires a double twisted pair cable The cable to the gauge is fed through the side threaded opening of the VITO Interface Note Local and company requirements must be followed for routing of intrinsically safe wiring Power rating VITO MTT amp VITO LT Interface 15 Vdc nominal 5 5 mA VITO MRT Interface 15 Vdc nominal 7 0 mA Refer to the level gauge manual for details on the wiring in the level gauge 3 2 1 Cable requirements Keep cable length between 762 VITO Interface and associated instrument as short as possible The connection to the instrument must be made with shielded cable Cable requirements are s Single twisted pair and shielded with 361 VITO MPT probe 76x VITO probes and MRT Double twisted pair and shielded with 365 VITO MPT water probe Rma 25 O line C max 1 HF Lmax 15 mH Caution Wiring to 762 VITO Interface shall be protected against EMC influences Note It is reguired to use metallic cable glands to provide good contact between cable shield and VITO Interface enclosure The shield of the cable shall be connected inside the cable gland Note Shielding must be connected externally to the VITO Interface enclosure and Associated instrument or in the cable glands thus never inside the VITO Interface enclosure Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 18 Electrical install
16. e flying leads s Position the gasket on the thermowell nozzle s Slowly unroll the temperature probe while feeding it into the thermowell e As soon as probe s end touches the bottom end of the thermowell adjust the flange 2 to the correct Figure 2 position on the adjusting pipe 1 Note Installation of probe Use a suitable pipe sealant on the adjusting pipe for sealing the threaded part of the flange e Secure the flange 2 on the thermowell flange Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 7 Mechanical installation e Make ground connection across the flanges Lock the VITO probe by means of lock washer 3 and nut 4 e Place the instrument label s 5 and secure them by means of nut 6 e Go to section 2 5 Installation 762 VITO Interface 2 2 2 Installation directly in the tank suspended from roof nozzle When the VITO probe is installed free space suspended from the roof it is recommended to use anchoring weights These weights can be a single weight of 3 kg or a chain of weights total weight max 9 kg for 361 probe and 23 kg for 76x probes For coated tank bottoms special provisions are to be taken to prevent damage of the tank coating One suggestion is to use a single weight and keep the weight and or probe suspended several centimeters above the tank floor This height should be sufficient to accommodate vertical tank roof movement due to bulg
17. ed stainless steel tube when lowering the probe into the tank by making sure it does not rub over the tank nozzle e As soon as the probe s end touches the tank bottom adjust the flange 2 to the correct position on the adjusting pipe 1 Note Use a suitable pipe sealant on adjusting pipe for sealing threaded part of the flange s Secure the flange on the roof nozzle and make a ground connection across the flanges s Lock the VITO probe by means of the lock washer 3 and nut 4 Place the instrument label s 5 and secure them by means of nut 6 s Go to section 2 5 Installation 762 VITO Interface 2 3 Mechanical installation of 765 766 768 365 VITO water and temp probe Install the 765 VITO water probe and the 766 768 VITO and 365 MPT water and temperature probe on 2 or larger roof nozzle The roof nozzle should be at best position to detect water in the tank The roof nozzle counter flange must have a G 72 BSP threaded hole and an earth screw for connection of the probe When the VITO probe is installed free space suspended from the roof it is recommended to use anchoring weights These weights can be a single weight of 3 kg or a chain of weights total weight max 9 kg for 365 probe and 23 kg for 76x probes Refer to figure 4 For coated tank bottoms special provisions are to be taken to prevent damage of the tank coating One suggestion is to use a single weight and keep the weight and or probe suspended seve
18. een signed by all parties Pay attention to the kind of product in the tank If any danger for health wear a gas mask and take all necessary precautions as mentioned on the work permit and safety assessment 1 3 Safety conventions Warnings Cautions and Notes are used throughout this installation guide to bring special matters to the immediate attention of the reader A Warning concerns danger to the safety of the technician or user A Caution draws the attention to an action which may damage the equipment A Note points out a statement deserving more emphasis than the general text but not requiring a Warning or a Caution Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 5 Mechanical installation 2 Mechanical installation The mechanical installation is divided into the following sub chapters s Installation of 764 767 361 MRT temperature probe section 2 2 Installation of 765 water probe 766 768 365 Combi probe section 2 3 s Installation of 762 VITO Interface section 2 5 Caution The VITO Interface and probe may be installed in hazardous areas Before starting installation check whether the actual area of installation complies with the area classification on the applicable approval certificate for your type of VITO Interface Notes The entire installation procedure shall be in accordance with national local and company regulations 2 1 Recom
19. f Installation guide 762 VITO interfaces amp VITO probes Page 4 Safety Warning Improper installation of cable glands conduits or stopping plugs will invalidate the safety approval of the 762 VITO Interface For electrical data see certificate 1 2 Personal safety The technician must have basic technical skills to be able to safely install the equipment When a probe is installed ina hazardous area the technician must work in accordance with the local requirements for electrical equipment in hazardous areas Warning In hazardous areas it is compulsory to use personal protection and safety gear such as hard hat fire resistive overall safety shoes safety glasses and working gloves When tank is in operation Avoid possible generation of static electricity Use non sparking tools and explosion proof testers Do not install the VITO probe until at least 30 min after the last movement to wait for the decay of the static electricity of the product stored in the tank Make sure the VITO probe is properly bounded before inserting into the tank Do not rub the surface of the VITO Interface and probe with a cloth to avoid the build up of electro static charges These may cause sparks and explosions in hazardous areas if a combustible gas mixture is present Make sure no dangerous quantities of combustible gas mixtures are present in the working area Never start working before the work permit has b
20. ge 21 Electrical installation Connect VITO probe wiring as indicated in figure 12 or figure 13 MRT as indicated in figure 14 2 or 3 separate RTD s as indicated in figure 15 361 MPT probe as indicated in figure 16 365 MPT probe as indicated in figure 12 water probe connection at rear module and figure 16 multiple spot connection at front module Note VITO MTT amp VITO LT There is only an orange wire with VITO probes which have a thermocouple spot at the probe s bottom below the Pt100 reference resistor That orange wire must be connected to the orange blue connector of the interface unit When there is no orange wire from the temperature probe then connect one of the blue wires to the orange blue connector of the interface unit Double check the wiring and use tie wrap as stress relief refer to figures 12 13 14 and 16 Verify there is no wire or cable in the gap between the shield and the enclosure Caution Do not damage the thread of the cover Before closing inspect clean and lightly grease with anti seize When closing turn the cover counter clockwise till the thread clicks in place then turn clockwise until cover is fully closed Make sure the cover threading is clean if needed clean the threading with an old tooth brush and apply anti seize Re install the VITO interface cover Next step is the connection of the wiring to the associated gauge and configurati
21. hest element Overall length 4 Position lowest element 6 2 16 Position lowest element water sensor Anchor lug 5 mm 3 16 635 mm a pat a7 7621 sed OE ic Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 34 Appendix Appendix H Related documents Installation guide 854 Advanced Technology Gauge Installation guide 854 XTG Level Gauge Installation guide 877 FDI Field Display amp Interface Installation guide 973 SmartRadar LT Installation guide 971 SmartRadar LTi Installation guide 970 SmartRadar ATi Installation guide SmartRadar FlexLine Instruction manual VITO Service Manual SmartRadar FlexLine Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 35 Honeywell Enraf Honeywell Enraf Delftechpark 39 2628 XJ Delft Tel 31 15 2701 100 E mail hfs tac support honeywell com Website www honeywellenraf com P O Box 812 2600 AV Delft Netherlands We at Honeywell Enraf are committed to excellence Your Honeywell Enraf distributor Information in this publication is subject to change without notice Enraf is a registered trade mark Enraf B V Netherlands Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 36
22. ing of the tank caused by hydrostatic pressure exerted by the liquid stored in the tank Install the temperature probe from a 2 or larger seize roof nozzle The roof nozzle counter flange must have G 4 BSP threaded hole and an earth screw for connection of the probe Caution When anchor weights are attached maximum static load is 9 kg 20 Ib for 361 probe when Honeywell Enraf anchor weight p n 0815524 is used only use 3 weights 23 kg 50 Ib for 76x probes Refer to figures 2 and 3 s Remove optional lower IP adapter 7 nuts 3 pc instrument label s and lock washers 2 pc from the adjusting pipe 1 Screw the flange 2 with G threaded hole on the adjusting pipe Note Take care not to damage flying leads when shifting the flange over the flying leads e Position the gasket on the tank nozzle e Attach anchor weights to the temperature sensors lug at lower end Caution Static Electricity Danger Make sure the probe is properly bonded before inserting the probe into the tank If needed use an electric cable with alligator clamps to ground the probe to the tank nozzle Wait at least 30 minutes after the last tank movement Figure 3 Use of anchor weights Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 8 Mechanical installation s Slowly feed the temperature probe into the tank be careful not to damage the corrugat
23. mended tools Following tools are recommended for installation of the VITO Interface and probe e Spanners size 32 mm 1 4 16 and 36 mm 1 7 16 Allen keys size 4 mm 5 32 and 2 5 mm 3 32 Pair of wire cutters Flat head screw driver 2 3 mm 2 16 Wire stripper Teflon tape pipe sealant Tie wraps 2 2 Mechanical installation of 764 767 361 MRT temperature probe The 764 767 361 MRT temperature probe can be installed in two ways in an open or closed vertical thermowell or s directly in the tank using anchor weights 2 2 1 Installation in a vertical thermowell Minimal a 2 thermowell must be used The thermowell flange must be provided with a G BSP threaded opening and an earth screw for connection of the probe Preferably the thermowell should be perforated holes or slots However closed thermowells are a must for pressurized applications and are recommended for applications where aggressive products are stored Although it is not recommended closed thermowells can be liquid filled for better heat transfer between the stored product and VITO probe Normal lube oil can be used but also glycol Care must be taken when the tank contains edible products in order to prevent product contamination in the event of thermowell failure Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 6 Notes Mechanical installation We do not recommend using liquid filled therm
24. ns should be left open Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 26 Electrical installation Caution For grounding reasons first connect the black wires towards the level gauge VITO interface is powered by the level gauge connect his A viro MRT TO A Interface 762 v Temperature probe Ss as SS Sls SiS SS as SIS Sls G connections 2 112 1 2 112 1 2 412 1 2 112 1 2 1 TITITITITITITITI GEELEPnDEEFFSEEEREREDE S eo ro 5 a aed at a z z z 7 o o o O o Is IN l o 9 o ko lo Is t Highest element Lowest element Lu jor ha YE l gt G S jo le je jae jo je x ele i IS amp S e Ie js a e e e 9 3 Black g ls 2 I le e ls Jo ls Jz le l 6 z e g 2 g le jx Z Is l2 2 S 2 1g e m 9 jo Jo ja Z O S lS S 2 BIZ je 2 5 S o IS le i 2 95 E S EE e oO m A a m na a Tm LJ n L L Lj R14 R13 R12 R11 RIO RI R8 R7 RB RS R4 R3 R2 AI MPT Multiple Spot Pt100 Figure 16 MPT Multiple Spot Pt100 connected to 762 VITO MRT Note Non used MPT elements connections should be left open Honeywell Enraf installation guide 762 VITO interfaces amp VITO probes Page 27 Appendix Appendix A Dimensional drawing VITO 764 Temperature probe 146 mm 5 12 16 space needed to remove cover 124 mm 4 14 16
25. nsor D Honeywell Enraf nstallation guide 762 VITO interfaces amp VITO probes Page 29 Appendix Appendix C Dimensional drawing VITO 766 Combi probe 146 mm 5 12 16 e sensitive length Position reference space needed to remove cover water sensor element A 76 485 mm 1 7 2 16 1000 mm 3 3 6 16 B 76 985 mm 3 Z 12 16 1500 mm 4 11 1 16 C 76 1985 mm 6 6 2 16 2500 mm 8 2 7 16 o 762 VITO MTT interface 5 Sx Instrument label VITO interface b E Tag plate optional is G L 2 i E M20x1 5 cable entry M S g k Label VITO probe External grounding Flange optional terminal Adjusting pipe G 1 2 300 mm 11 13 16 2700 mm Z 3 9 16 lt t Position highest element Overall length lt Position reference element Position lowest element Position reference element amp o 5 3 5 HL amp HE 38 a uo o 35 mm BL Anchor lug 85 mm 3 16 con ETIE 66D 766C 7621 762Z l Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 30 Appendix D Dimensional drawing VITO 767 Temperature probe 146 mm 5 12 16 space needed to remove cover 124 mm 4 14 16 762 VITO LT interface Instrument label VITO interface 2 6 16 200 mm 7 14 16 En L Tag plate optional eo 4i ce M20x1 5 cable entry B S OL e a Label
26. on of the temperature option Please refer to the related manuals for detailed instructions Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 22 Electrical installation Caution For grounding reasons first connect the brown wires towards the level gauge VITO interface is powered by the level gauge connect this A VITO 762 wire first dy A INTERFACE Temperature probe connections red ho red HQO brown N 2 brown Qe yellow P orange b Water probe connections 6 KSA D Figure 12 Sensor connections 764 765 766 probe to 762 VITO MTT Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 23 Electrical installation Caution For grounding reasons first connect the brown wires towards the level gauge VITO interface is powered by the level gauge anea tia A vro LT Aw Interface 762 J rr ue Water probe connections Figure 13 Sensor connections 767 768 probe to 762 VITO LT Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 24 Electrical installation Caution For grounding reasons first connect the black wires towards the level gauge VITO interface is powered by the level gauge Nu A vito wrt S
27. owells in tanks with heated products Due to the heating at the lower end the liquid may circulate in the well which results in a temperature mismatch We do not recommend using liquid filled thermowells on floating roof tanks Due to ambient temperature influence at the higher end the liquid may circulate in the well which results in a temperature mismatch ES While using liquid filled thermowells take care that the liquid can expand when heated without creating an over pressure in the thermowell It is recommended to use a vent opening or an expansion pipe under the flange refer to figure 1 or any other suitable 5 method to prevent excessive pressures Thermowell wan vent opening Thermowell with expansion pipe Figure 1 Vent opening and expansion pipe When the VITO probe is installed in a thermowell the weight of the probe combined with the mechanically limited movement of the probe is sufficient to warrant proper operation Caution Water ingression must be prevented in thermowell When freezing water becomes ice which can damage 764 767 361 MRT temperature probe Refer to figure 2 s Remove optional lower IP adapter 7 nuts 3 pc instrument label s and lock washers 2 pc from the adjusting pipe 1 Screw the flange 2 with G threaded hole on the adjusting pipe Note Take care not to damage the flying leads when shifting the flange 2 over th
28. r cable in the gap between the shield and the enclosure Make sure the cover threading is clean if needed clean the threading with an old tooth brush and apply Agip TOP 2000 grease Caution Do not damage the thread of the cover Before closing inspect clean and lightly grease with Agip TOP 2000 grease When closing turn cover counter clockwise till thread clicks in place then turn clockwise until cover is fully closed Notes Make sure the cable gland is water tight use Teflon tape or a suitable pipe sealant if needed Use of a self fusing silicone tape such as rescue Tape or a suitable pipe sealant is recommended to protect the cable gland from the environment Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 15 Mechanical installation 2 5 2 Installation of VITO Interface in close proximity of VITO probe MRT In some cases there is not sufficient space to install the VITO interface on top of the VITO probe MRT In these cases a preferable flexible metal conduit is advised although also a set of matching coupling and unions can be considered Please contact the factory for detailed advice 2 5 3 Installation of VITO MPT probe in combination with SmartRadar FlexLine The 361 VITO MPT temperature probes with six 6 or less elements can be directly connected to a 990 SmartRadar FlexLine In this case the FlexLine radar must be equipped with a FII RTD board and
29. r to the associated instrument is switched off before opening the cover of the 762 VITO Interface Failure to do so may cause danger to persons or damage the equipment The cover must be closed before switching on power Caution Make sure that no dangerous quantities of combustible products are present in the working area 3 1 Bonding of the VITO Interface Proper bonding of the VITO Interface to the tank is required Use the external ground terminal on the VITO Interface enclosure refer to figure 8 Caution Safety depends on proper bonding Check the resistance of the ground connection directly after installation The measured ground resistance shall be below the maximum prescribed by local bonding requirements Warning When measuring the resistance use a Suitable explosion proof tester Note Bonding shall be performed according to local explosion proof regulations Figure 8 Bonding of the VITO Interface Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 17 Electrical installation 3 2 VITO Interface wiring to tank level gauge The VITO MTT LT MRT Interface connection to associated Honeywell Enraf instrument is by a single twisted pair cable The single pair provides both intrinsically safe supply to the interface as well as data communication between the interface and the associated gauge The VITO CEPS Interfac
30. ral centimeters above the tank floor This height should be sufficient to accommodate vertical tank roof movement due to bulging of the tank caused by hydrostatic pressure exerted by the liquid stored in the tank Caution When anchor weights are attached maximum static load is 9 kg 20 Ib for 365 probe when Honeywell Enraf anchor weight p n 0815524 is used only use 3 weights 23 kg 50 Ib for 76x probes Note The 765 VITO water probe 766 768 VITO and 365 MPT water and temperature probe cannot be installed in a closed well When the probe is installed in a well i e floating roof tank the well must be open at the lower end at the height of sensitive part of the water probe and the well should have equalization holes or slots Refer to figure 4 When the VITO probe is installed in a well the weight of the probe combined with the mechanically limited movement of the probe is sufficient to warrant proper operation Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page9 Mechanical installation Note There should be at least 50 mm 2 free space between the sensitive part of the water probe and the tank shell or any other large metal part in the tank i e stilling well 7 7 Figure 4 Installation methods for 765 VITO water probe 766 768 VITO and 365
31. res s Execution of activities that are not prescribed Neglect of the general safety precautions for handling tools use of electricity and microwave radiation The contents descriptions and specifications are subject to change without notice Enraf B V accepts no responsibility for any errors that may appear in this installation guide Additional information Please do not hesitate to contact Honeywell Enraf or its representative if you reguire additional information Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 3 Safety 1 Safety 1 1 Safety aspects of the VITO Interfaces amp probes Warning Do not use the instrument for anything else than its intended purpose The housing of the 762 VITO Interfaces amp 764 765 766 767 or 768 temperature and or water bottom probe and MRT probe is intrinsically safe certified by KEMA Netherlands VITO MTT amp VITO LT II 1 2 G EEx ia IIB T4 KEMA 01ATEX1212X VITO MRT ll 1 2 G EEx ia IIB T4 KEMA 04ATEX1225X VITO CEPS Zone 0 1 Exia IIB T4 IECEx KEM 05 0014X The VITO MPT probe is a passive component and can be considered as simple apparatus when used in Intrinsically Safe circuits in accordance with the following EN IEC 60079 11 clause 5 7 NEC National Electrical Code Article 504 Intrinsically Safe Systems 504 2 Definitions Simple Apparatus The VITO MPT probe is Intrinsically Safe and can be used with the FlexLine radar
32. the 762 VITO Interface and SmartRadar FlexLine FII VT board are not required For this type of installation the maximum distance between the FlexLine radar and the VITO MPT probe is 600 cm 236 inch The VITO MPT probe should be ordered with the correct extended flying leads i e 250 cm 98 inch or 600 cm 236 inch Note Although it is not advised the wires can be extended beyond the above specified 600 cm In this case an extra junction box JB is required and preferably the same wire should be used Please contact the factory for detailed advice For protection and shielding of the temperature sensor wiring between VITO MPT probe and SmartRadar FlexLine it is strongly advised to use preferably flexible metal conduit The conduit should be properly bonded to the temperature sensor on one side and the SmartRadar FlexLine on the other side Both connections should be properly sealed and protected against water ingress with for example PTFE tape and self vulcanizing electrical tape on the outside For the connection of the VITO MPT probe wiring to the 990 SmartRadar FlexLine refer to the installation guide SmartRadar FlexLine Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 16 Electrical installation 3 Electrical installation The entire electrical installation shall be in accordance with the International Standard IEC EC 60079 14 Selection and Installation Warning Make sure that all powe
33. the gauge wire into the cable gland on the left hand side of the VITO Interface enclosure Connect one twisted pair of the gauge wire to the terminals on the lower left hand side of the rear water converter block pin 1 pin 2 Re install the black plastic shield on the rear converter block Remove dummy capacitor refer to figure 11 Connect the Coax cable and ground wire from the water probe refer to figure 12 Water probe connections Re install the front temperature module including yellow green ground wire Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 19 Electrical installation Connect the other twisted pair of gauge wire the terminals on the lower left hand side of the front temperature converter block pin 1 pin 2 Re install the black plastic shield on the front converter block Li NNNNNNNNNNNNNNNNNNNNNNNNNNNNNYN mau mm RAMAN N NS S Figure 10 CEPS Interface for 365 MPT temperature and water probe Note The 365 MPT temperature and water probe with the associated CEPS Interface can only be used connected with an 990 SmartRadar FlexLine which contains two FII VT boards Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 20 Electrical installation 3 3 Sensor connections The electronic circuits of the 762 VITO Interfaces are protected against electrical static discharge during transport and s
34. torage by metal jumpers placed on the temperature probe connectors A dummy resistor of 10Q is placed between the red and brown wires VITO MTT amp VITO LT to detect the absence of a temperature probe There is also placed a dummy capacitor on the water probe connectors to detect the absence of a water probe Refer to figure 11 Depending on the type of probe the jumpers and dummy resistor and or the dummy capacitor must be removed Refer to table below Jumpers and dummy Dummy capacitor on Type of probe resistor on temperature water probe probe connectors connectors 764 767 VITO temperature remove do not remove probe 765 VITO water probe do not remove remove 766 768 VITO temperature amp remove remove water probe RTD MRT 361 MPT probe remove n a front module temp front module temp 365 MPT temperature amp remove n a water probe rear module water rear module water do not remove remove dummy capacitor if Figure 11 Location of jumpers and dummy resistor capacitor Cut the temperature and water probe wiring to approximate length Note It is recommended to loop the wires one time and strip each wire approximate 10 12 mm 5 44 14 Use the proper tools for removal of the insulation and make sure the copper core is no carved Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Pa
35. ushed it from the bottom side Secure the lower IP adapter 3a by Figure 7b Installation VITO Interface fastening lock nut 1 with lock with optional IP adapter washer 2 Honeywell Enraf Installation guide 762 VITO interfaces amp VITO probes Page 14 Mechanical installation L Unpack the VITO Interface preferable on the tank s Remove the cover from the VITO Interface enclosure s Clean the inside thread of the upper IP adapter 3b which is already attached to the VITO housing e A Apply a light smooth layer of Agip TOP 2000 grease over the inside threads of the upper IP adapter 3b on the VITO Interface housing and over the outside threads of the lower IP adapter 3a on the probe s Feed the flying leads through the upper IP adapter 3b on the VITO Interface enclosure Note With 762 CEPS Interface and 365 Combi probe it may be required to remove the front temperature module to feed the flying leads into the 762 CEPS enclosure refer to section 3 2 3 and figure 10 Caution Make sure the probe wiring is not damaged when mounting the VITO enclosure on the threaded pipe e Turn the VITO Interface onto the VITO probe s lower IP adapter 3a e Prevent the VITO Interface from turning by tighten the two set screws 4 onthe upper IP adapter e When the electrical installation is carried out at a later stage the cover of the VITO Interface enclosure can be closed after verifying there is no wire o
Download Pdf Manuals
Related Search