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Installation and Operating Instructions
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1. MULTIPOINT 11 nn h DREXELBROOK ENG CO GE 6 FAILSAFE REL 1 9 3 n M n RELAY 2 CAL SWITCH Gr zw 9 5 DELAY D I C i eine Y 7 p SETPOINT B E y 2 9 DIFF pH SETPO N 20 F D I Cr E SETPOINT B 7 21 y L 22 A POWER I ae 2 R o RELAY 1 C J 24 HI RELAY 2 WO 7 RELAY 3 D XXXVAC MODEL NO 406 3 3 001 Figure 4 2 Setpoint Relay E Rotate the adjustment slowly back and forth about this point observing the travel required between relay pull in and relay drop out Repeat for each channel The pointer should travel less than 1 turn to operate the relay If so the instrument 1s working properly F If the instrument does not function properly consult the factory service department for assistance 21 506 3000 Series Multipoint Level Controller 4 2 Relay Circuit Checkout Selected Fail Safe HLFS HLFS LLFS LLFS Tank Level Below Trip Point Above Trip Point Below Trip Point Above Trip Point Troubleshooting Use the f
2. DREXEI evel Measurement For Assistance Call 1 800 527 6297 Outside North America 215 674 1234 Installation and Operating Instructions oeries 506 3000 Multipoint II Level Controller using 406 3000 Electronics 215 674 1234 Outside North America 1 800 553 9092 US and Canada www drexelbrook com drexelbrook service ametek com AMETEK Drexelbrook makes no warranty of any kind with regard to the material contained in this manual including but not limited to implied warranties or fitness for a particular purpose Drexelbrook shall not be liable for errors contained herein or for incidental or consequential damages in connection with the performance or use of material Copyright 2007 AMETEK Drexelbrook EDO 01 07 108 506 3000 LM series 506 3000 Multipoint Il Level Controller using 406 3000 Electronics AMETEK DREXELBROOK An ISO 9001 Certified Company 205 Keith Valley Road Horsham 19044 US Sales 1 800 553 9092 24 Hour Service 1 800 527 6297 International 215 674 1234 Fax 215 674 2731 E mail drexelbrook info Q9 ametek com Web www drexelbrook com EDO 01 07 108 T f 506 3000 LM able of Contents SECTION 1 INEIRODUCTION uo uuu u u u u s ua 1 El mGemneralibesor IipI onu uuu TM 1 Models AVallaDlQ uuu i assasnaesapeyatupasususqanskuquyuyauntusuiyBuqhuaquwspabauapauhossqchiyusqstshasshupaaumtanap 2 SECTION 2 INSTABLATION uyu ai 3 eu packin
3. Shipping Point and the Buyer shall pay all freight transportation shipping duties fees handling insurance storage demurrage or similar charges from Shipping Point Delivery of goods to common carrier shall constitute delivery and passing of title to the Buyer and all risk of loss or damage in transit shall be borne by Buyer Any claims or losses for damage or destruction after such delivery shall be the responsibility of Buyer Seller reserves the right to make delivery in installments which shall be separately invoiced and paid for when due without regard to subsequent deliveries Delay in delivery of any installment shall not relieve Buyer of its obligation to accept remaining deliveries Acknowledged shipping dates are approximate only and based on prompt receipt of all necessary information from Buyer and Buyer s compliance with terms of payment TAXES All sales excise and similar taxes which Seller may be required to pay or collect with respect to the goods and or services covered by any Order shall be for the account of the Buyer except as otherwise provided by law or unless specifically stated otherwise by Seller in writing TERMINATION AND HOLD ORDERS No Order may be terminated by Buyer except upon written request by Buyer and approval by Seller and if said request is approved by Seller under the following conditions 1 Buyer agrees to accept delivery of all of the units completed by Seller through the workday on which
4. IN INCHES 506 3000 Series Multipoint Il Level Controller 406 3XXX 007 Figure 2 2b Mounting of Remote Unit with NEMA 4X Housing 506 3000 Series Multipoint Level Controller TYPICAL SENSING Installation ALL CONNECTIONS SEALED ELEMENT GASKETS IN PLACE Y CONDULET PACKING GLAND 0 HOLD HERE j ASSEMBLY WHEN TURNING DREXELBROOK DREXELBROOK DO NOT amp CONDULET DISTURB Y HOLD HERE TO WRONG INSTALL OR REMOVE PROBE C FROM VESSEL K CONDUIT 4 BREATHER 5 DRAIN SEE GROUNDING NOTE BELOW WRONG WRONG WRONG WRONG T CORRECT NOZZLE DIAMETER CORRECT bi TOO SMALL LENGTH TOO LONG ROD CUSTOMER STYLE Z SUPPLIED DIP gt Pay SENSOR TUBE x a N FLEXIBLE DAMAGE AMAGE CABLE TYPE OCCURS OCCURS SENSOR FLEXIBLE HERE HERE CABLE TYPE
5. NA 506 3X0X 4 700 2 57 Not RECOMMENDED NA NA 506 3X0X 5 700 5 54 33 3 175 5 489 2 NA RANGE pF 175 900 2500 3575 Table 3 1 Calibration Step 1 Find the span range value pF for your Span Range Value pF Selection Table 506 3000 Series Multipoint Level Controller Calibration 3 1 SpanSelection Step 2 Set the span range switches using Table 3 2 cont Dip Switch Settings for Dip Switch Settings for 406 3X3X Transmitters 406 3X0X Transmitters SWITCH SWITCH 1 2 H3 4 SPAN 1 2 3 4 SPAN On Off Off Off 250 On 175 Off Off Off 1800 Off 900 On Off Off 1550 On Off 1075 Off Off Off 3500 Off 2500 On Off Off 3150 On 2675 Off On Off 4800 Off 3400 On Off 5050 On On 8575 Off Off On 16500 11500 On Off On 16750 11675 Off On On 17800 Off 12400 18050 On Off 12575 Off Off On 20000 Off 14000 On Off 20250 On Off On 14175 Off On 21300 Off On On 14900 On On On 21550 On 15075 Table 3 2 Span Range Switch Selection Tables 17 506 3000 Series Multipoint Il Level Controller 3 2 Calibration Procedure Calibration Before applying power to the electronic unit check the wiring connections See section 2 3 Figure 3 2 shows the fai
6. Y HUB CONDULE SENSOR INTEGRALLY um ACH EU O 2 r y TRANSMITTER CONDULET ERRE ES 3 4 NPT 2 i MOUNT I NG ALL DIMENSIONS I NSERT ION c IN INCHES MM LENGTH p Figure 2 1 Mounting of Integral Unit with Explosionproof Housing 406 3XXX 009 Installation SATEVO NOI LO3NNOJ YAMOd 2 V 3 I1ZZON ISNIVOV 3193108a Yer ad el 2 5 NI OSIY SAO TAG aa 3 Slo SSv 152 GN 739 HO DATO yc sg Sei Oe SII JOOHdNOISO ldX3 02 6 29 k lt 21 SEET YWAN C 150 le SNOI 1d0 ONT 1135 39NVH H3Hl10 335 3900591 doose 3900 39052 440054111 49009 91 15100521 39005 44006 4 JdOOE 398 1 44062 90 59 11135 39NVH 2 VO HOSNdaS PRQ M 8 OS 9482 mer WT e cm 2 991 500 ASNY d 506 3000 Series Multipoint Level Controller eS a
7. 3 3 3 4 4 4 4 lt lt lt q on on on on SEE MANUAL FOR OTHER RANGE SETTING OPTIONS X 270 0101 092 E J Figure 8 1 Span Selection Settings 15 506 3000 Series Multipoint Level Controller 3 1 SpanSelection cont sensing element using Table 3 1 506 3X3X 00X SYSTEM CHASSIS NUMBER 406 3X3X 00X For use with conductive liquids such as acid caustic beer or any substance containing water System Sensing Element Number of Feet max from Bottom Model Model of Sensing Element to Highest Trip Point 506 3X3X 1 700 1 22 4 6 20 20 506 3X3X 2 700 1 24 4 20 20 506 3X0X 7 700 2 27 1 1 6 15 5 20 20 NA 506 3X3X 6 700 2 87 0 1 0 7 1 8 2 9 10 506 3X3X 4 700 2 57 0 9 5 2 13 7 18 20 NA 506 3X3X 8 700 5 18 1 2 7 3 19 25 90 105 506 3X3X 5 700 5 54 6 6 36 4 94 124 449 519 RANGE pF 250 1300 3500 5050 16500 21550 506 3 0 00 5 5 CHASSIS NUMBER 406 3 0 00 For use with insulating liquids such as vegetable oil gasoline all hydrocarbons asphalt etc This table assumes dielectric constant 2 all hydrocarbons and assumes vessel I D 60 inches System Sensing Element Number of Feet max from Bottom Model Model of Sensing Element to Highest Trip Point 506 3X0X 1 700 1 22 20 0 506 3X0X 2 700 1 24 14 8 20 0 506 3000 7 700 2 27 RECOMMENDED NA NA 506 3X0X 6 700 2 37 Not RECOMMENDED
8. 30 Vdc Inductive Load Operating Temperature 40 F to 140 F 40 to 60 C Ambient Temperature Effect on Operating Point 1 per 54 F 30 Sensitivity 2 on all ranges Operating Point Range 0 200 feet depending on sensing element Range selection includes four selectors in a dip switch with 16 combination ranges available Fail safe Field selectable high level fail safe HLFS or low level fail safe LLFS for each relay Connecting Cable Remote Units only 3 terminal coaxial up to 150 feet 45 7m For greater lengths consult factory Rated at 160 F 70 standard to 450 F 230 C optional Housing 5 inch integral explosionproof standard 5 inch remote explosionproof optional Nema 4X remote housing optional Drexelcote corrosion resistant optional 35 506 3000 Series Multipoint Level Controller Specifications 5 2 Sensing Element The following sensing elements are most often recom Specifications mended for use with the 506 3000 Series Multipoint II They are specified according to the application require ments The sensing element model 1s 1ndicated by the last digit of the system number For identification the last two digits of the sensing element model number are tagged on the mounting gland or flange of the sensing element This listing does not include all of the sensing elements available for use with the Multipoint II If you have additional qu
9. 527 6297 Drexelbrook Engineering Company is located at 205 Keith Valley Road Horsham PA 19044 To help us solve your problem quickly please have as much of the following information as possible when you call Instrument Model P O Date Insertion Length Application Material being measured Temperature Pressure Agitation Brief description of the problem Checkout procedures that failed Do not return equipment without first contacting the factory for a return authorization number Any equipment being returned must include the following information 1n addition to the above Reason for Return Return Authorization Person to contact at your company Ship To address If available please also include the original P O number and the original Drexelbrook order number To keep the paperwork in order you must include a pur chase order with returned equipment even though it may be coming back for warranty repair You will not be charged if the equipment is covered under warranty Please return your equipment with freight charges pre paid We regret that we cannot accept collect shipments Drexelbrook usually has exchange units available for faster turnaround of repair orders If you prefer your own unit repaired rather than exchanged please mark clearly on the return unit Do Not Exchange Spare instruments are generally in factory stock If the application 1s critical a spare chassis should be kept on
10. LACKS SENSOR VENT in LINE HOLES PROBE PROBE MAY FILL INSULATED CONTACTS FLEX STREAM AVOID WALL SUPPORT SIDE OF PIPE INSIDE BUILDUP BUSHINGS PART 713 FLEXIBLE NOTE BOTTOM ANCHOR CUSTOMER SUPPLIED PART 727 XX X MOUNTING BRACKET MUST PROVIDE 0 0 OHMS CONTINUITY TO VESSEL STRUCTURE N SLUDGE CUSTOMER AVOID PLASTIC 11 SUPPLIED x WILL CLOG FITTINGS TEFLON TAPE SUPPORT PIPE AND CERTAIN SUPPORT GASKETS BRACKET Figure 2 3 Installation Guidelines 506 3000 Series Multipoint Level Controller Installation 2 2 2 Non metallic Tanks Using a Ground Reference SHIELD When installing the sensing element in a non metallic tank use a Drexelbrook sensing element with a factory installed ground reference See Figure 2 4 If necessary a site fabricated ground reference can be used See Figure 2 5 An optimal ground reference provides a large surface area and should be relatively close and parallel to the sensing element Operating a Multipoint II control without a proper ground reference will result in drift and poor performance A ground reference 15 not the same as an earth ground derived from a driven ground rod A ground reference 1s a return path to the transmitter The Multipoint II sends a radio frequency signal down the metal rod of the sensing element This signal then seeks a return path to the transmitter The path usually is from the sensing element to the met
11. SHIELD OUTER WRAP NES RED PAD PROBE NO yg CENTER WIRE WIRE SENSOR SDE BLACK BLUE ROU D OF XMTR HE AV Yr RE e DES COAX TO N 270 0101 093 wt P SENSOR CABLE GROUND WIRE D CONNECTION RED SCREW 15 NOT D INSULATE THIS CENTER G USE ELECTRICAL TAPE WIRE SENSOR Figure 2 7 Two Terminal Sensing Element Wiring 13 506 3000 Series Multipoint Level Controller Installation 2 3 3 Relay Wiring The relays are wired 1n various positions depending on the fail safe state of the channel and the selected relay operation Typical relay wiring 1s Relay 1 used for high level Relay 2 used for differential Relay 3 used for low level Failsafe 1s defined as the condition the vessel that will de energize the relay When level exceeds a setpoint set to HLFS the relay will de energize and the green LED 1s not ht When level falls below a setpoint set to LLFS the relay will de energize and the green LED is not ht Figure 2 8 shows the relay wiring for the different relay conditions Relay 1 1s shown Terminal numbers change with relays Call 1 800 527 6297 for service assistance Relay 1 1s shown Terminal numbers change Selected Tank LED Relay for Re
12. Seller receives the written termination request 2 Buyer agrees to pay to Seller all direct costs and expenses applicable to the portion of the Order that is incomplete WARRANTY A Hardware Seller warrants its goods against defects in materials and workmanship under normal use and service for one 1 year from the date of invoice B Software and Firmware Unless otherwise specified Seller warrants for a period of one 1 year from date of invoice that standard software or firmware when used with Seller specified hardware shall perform in accordance with Seller s published specifications Seller makes no representation or warranty expressed or implied that the operation of the software or firmware shall be uninterrupted or error free or that functions contained therein shall meet or satisfy the Buyer s intended use or requirements C Services Seller warrants that services including engineering and custom application whether provided on a fixed cost or time and material basis shall be performed in accordance with generally accepted industry practices D Remedies Seller s liability under this section is restricted to replacing repairing or issuing credit at Seller s option for any returned goods and only under the following conditions 1 Seller must be promptly notified in writing as soon as possible after the defects have been noted by the Buyer but not later than 1 year from date of invoice from Seller 2 The defective
13. be used as a ground reference Use only if the process material is greter than 1000 uMHOS cm such as acids and caustic E SUBMERGED METAL STRUCTURE Use any constantly submerged metal object such as pumps agitators or thermowells METAL FLANGE A submerged metal flange or orifice plate can be used Use only if the process material is greater thatn 1000 uMHOS Cm such as acids and Caustic Customer Fabricated Ground References 506 3000 Series Multipoint Il Level Controller Installation 2 3 Wiring 2 3 1 Electronics Ensure that all wiring electrical fittings and conduit connections conform to your local electrical codes for the location and environment of use CAUTION If the Multipoint II 15 located in a hazard ous environment do not open the enclosure cover or make break any electrical connec tions without first disconnecting electrical power at the source Refer to Figure 2 6 and use the following steps to wire the Multipoint II unit a b Ensure that the power to the wiring 15 off Remove the cover Make all electrical connections to the electronics per the wiring diagram in Figure 2 6 using 12 28 gauge wiring All connections are made to the terminal strip Review Checklist Wiring correct Proper input voltage used Proper output connections Replace cover prior to restoring power if in hazardous area Turn power on 506 3000 Series Multipoint Level Controller I
14. hand 99 506 3000 Series Multipoint Level Controller Troubleshooting 4 7 Field Service Trained field servicemen are available on a time plus expense basis to assist 1n start ups diagnosing difficult application problems or in plant training of personnel Contact the service department for further details 4 8 Customer Training Periodically Drexelbrook 1nstrument training seminars for customers are held at the factory These sessions are guided by Drexelbrook engineers and specialists and provide detailed information on all aspects of level mea surement including theory and practice of instrument operation For more information about these valuable workshops write to Drexelbrook Engineering attention Communications Training Group or call direct 215 674 1234 506 3000 Series Multipoint Level Controller Specifications SECTION 5 Power Requirements SPECIFICATIONS 95 145 Vac 50 60 Hz 205 255 Vac 50 60 Hz 5 1 Electronic Maximum power 3 5 watts Specifications Level Output NOTE Two point unit 2 DPDT relays The differential 406 3XX2 one with 0 120 second time delay once set remains one with adjustable differential constant even when the setpoint 1s moved Three point unit 3 DPDT relays 406 one with 0 120 second time delay one with adjustable differential one standard on off Contact Ratings DPDT 250 Vac 5A Resistive Load 30 Vdc 5A Resistive Load 250 Vac 2A Inductive Load
15. unit or housings If a vertical run of conduit 1s necessary install a drip loop and breather drain to purge any accumulated moisture If extreme wash downs are expected or flooding is possible consult the factory for special coax and housing sealing instructions 2 2 1 Installation These items should be taken into consideration when of the mounting the sensing element See Figure 2 3 Sensing Element If the vessel is agitated the sensing element may require support Consult the factory at 1 800 527 6297 for rod style probes insulated support bushings are available for flexible cable style sensing elements flexible bottom anchors are available t is not recommended to mount the sensing element inside a pipe sensing element should be installed parallel to the wall of the tank or as vertical as practical e Take care that the sensor is not scratched or cut when inserting it into the tank Ensure that there are no obstructions or agitator blades in the way of the sensor 506 3000 Series Multipoint Level Controller Installation 5 POWER amp RELAY CONNECTIONS 6 750 171 5 6 097 154 9 1 097 27 9 TRANSMITTER IN 5
16. Figure 8 7 Relay 2 Diff Cal Switch with Deadband 14 A two point Multipoint II controller with adjustable differential 15 now calibrated If your system has three points continue with step 15 506 3000 Series Multipoint Il Level Controller Calibration 3 2 Calibration 15 Raise or lower the material to the level where Relay 3 Procedure will change state cont 16 Adjust the Setpoint pot for Relay 3 turning clockwise until the LED changes state See Figure 3 8 TYPICAL USE SETPOINT RELAY HIGH ALARM HLFS SETPOINT RELAY 2 PUMP START HIGH POINT DEAD BAND SETPOINT RELAY 2 PUMP STOP LOW POINT SETPOINT RELAY 3 LOW ALARM LLFS Figure 3 8 Three point Relay Calibration 17 Calibration 1s now complete Test the entire set up by raising or lowering the material level through all of the setpoints to ensure proper operation 18 It 1s recommended to use a 401 6 81 calibrator sec tion 3 3 to record calibration data 23 506 3000 Series Multipoint Level Controller Calibration 3 3 Secondary In some applications it 1s difficult or even impossible to Calibration completely fill empty or change the level in a vessel In Standard such a case 1t 1s desirable to have a secondary calibration standard such as the Drexelbrook model 401 6 81 C Box NOTE Capacitance Box level simulator which can be used to If the level cannot be simulate the capacitance of an empty or full vessel The moved call the f
17. LAY 2 DIFF CAL 1 REL 2 USED SETPOINT L R 0 My g T H E N DIFF N lt gt r m J POWER l RELAY 2 MODEL NO 406 31X2 001 Figure 3 4 Setpoint Relay 1 and Delay Pot Calibration 8 Then adjust the Setpoint Relay 1 pot turn clockwise until the LED just changes state The setpoint 1s now SETPOINT 1 TIME DELAY POT SETPOINT ADJUST POT RELAY 1 9 Relay 1 has a time delay option If time delay is used turn the Delay pot of Setpoint 1 clockwise to increase the delay 0 120 second range The fully clockwise position 2 3 turn produces a 120 second time delay The delay interval begins upon recovery from alarm 10 Raise or lower the material to the low setpoint of Relay 2 See Figure 3 5 pao LN EN Ne SENSING 1 SETPOINI I AY 1 RELAY 2 HIGH POINT RENC SETPO AY 2 LOW Figure 8 5 D 521 Setpoint Relay 2 d a 506 3000 Series Multipoint Il Level Controller Calibration 3 2 Calibration Procedure cont 11 Make sure the Relay 2 Diff Cal switch 1s off and the 12 Setpoint pot of Relay 2 1s in the full CCW position Then adjust the Setpoint pot of Relay 2 until the LED changes state NOTE At this point calibration 1s comp
18. LER S GOODS OR SERVICES WHETHER ORAL WRITTEN EXPRESS IMPLIED STATUTORY OTHERWISE INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR PURPOSE ARE EXCLUDED AMETEK DREXELBROOK INTELLECTUAL PROPERTY Seller s sale of goods or provision of related documentation or other materials to Buyer shall not transfer any intellectual property rights to Buyer unless Seller specifically agrees to do so in writing Seller shall retain ownership of all applicable patents trademarks copyrights and other intellectual property rights Buyer shall not use copy or transfer any such items in violation of Seller s intellectual property rights or applicable law or for any purposes other than that for which the items were furnished Seller shall defend any lawsuit brought against the Buyer based on a claim that the design or construction of the goods sold hereunder by Seller infringe any United States or Canadian Patent Copyright or Mask Work Registration provided that Buyer promptly notifies Seller of such claim in writing and further provided that at Seller s expense 1 Buyer gives Seller the sole right to defend or control the defense of the suit or proceeding including settlement and 2 Buyer provides all necessary information and assistance for that defense In the event of a charge of infringement Seller s obligation under the agreement shall be fulfilled if Seller at its option and expense either i settles suc
19. S OF BUYER S CUSTOMERS DAMAGES OTHER SPECIAL PROXIMATE INCIDENTAL INDIRECT EXEMPLARY OR CONSEQUENTIAL DAMAGES Any action against Seller must be brought within eighteen 18 months after the cause of action accrues These disclaimers and limitations of liability shall apply regardless of the form of action whether in contract tort or otherwise and further shall extend to the benefit of Sellers vendors appointed distributors and other authorized resellers as third party beneficiaries PROHIBITION FOR HAZARDOUS USE Goods sold hereunder generally are not intended for application in and shall not be used by Buyer in the construction or operation of a nuclear installation or in connection with the use or handling of nuclear material or for any hazardous activity or critical application where failure of a single component could cause substantial harm to persons or property unless the goods have been specifically approved for such a use or application Seller disclaims all liability for loss or damage resulting from such unauthorized use and Buyer shall defend indemnify and hold harmless the Seller against any such liability whether as a result of breach of contract warranty tort regardless of the degree of fault or negligence strict liability or otherwise EXPORT CONTROL Buyer shall comply with all export control laws and regulations of the United States and all sales hereunder are subject to those laws and regulations
20. Seller shall not be named as shipper or exporter of record for any goods sold hereunder unless specifically agreed to in writing by Seller At Sellers request Buyer shall furnish Seller with end use and end user information to determine export license applicability Buyer warrants in accordance with U S Export Law that goods sold hereunder shall not be destined for facilities or activities involving nuclear chemical or biological weapons or related missile delivery systems in named prohibited regions or countries GOVERNING LAW Seller intends to comply with all laws applicable to its performance under any order All matters relating to interpretation and effect of these terms and any authorized changes modifications or amendments thereto shall be governed by the laws of the Commonwealth of Pennsylvania No government contract regulations or clauses shall apply to the goods or services this agreement or act to bind Seller unless specifically agreed to by Seller in writing NON WAIVER BY SELLER Waiver by Seller of a breach of any of these terms and conditions shall not be construed as a waiver of any other breach SEVERABILITY AND ENTIRE AGREEMENT If any provision of these terms and conditions is unenforceable the remaining terms shall nonetheless continue in full force and effect This writing together with any other terms and conditions Seller specifically agrees to in writing constitutes the entire terms and conditions of sale between B
21. actory following procedure permits calibration of an instrument service department at without changing the level 1n the vessel 1 800 527 6297 or fax them at 215 443 5117 Start by setting up the instrument as described under with the following infor Calibration section 3 2 steps 1 6 Then do the following mation sensor and chassis model A If it is an integral system disconnect the white coax number wire from chassis and go to step B If it is a remote e sensor insertion length system disconnect the coax center shield and ground material being measured wires from the sensing element Be sure the wires do type of vessel not short to anything desired activation levels B Connect the calibration standard to the Instrument in parallel with existing cable connections ground cen ter wire and shield See Figure 3 10 Also refer to the 401 6 8 Capacitance Box Manual for more information C Follow the calibration instructions section 3 2 steps 7 17 Instead of raising or lowering level adjust the calibrator to generate the appropriate number of picofarads for each setpoint D The calibrator can be used to record the number of picofarads for each setpoint on a system that was previously calibrated by emptying and filling the tank E Record the calibration data and save 1t When replacing a malfunctioning electronic unit the replacement chassis can be calibrated on the bench by the preceding method and then ins
22. al wall of the tank from the metal wall through the coax ground back to the transmitter The tank wall is part of the return path and 1s called the ground reference When installed 1n a non metallic vessel without a ground reference there is no return path for the sensing element signal resulting 1n poor performance HASTALLOY CAGED GROUND ROD Figure 2 4 Ground Referenced Sensing Elements 506 3000 Series Multipoint Il Level Controller Installation METAL GROUND CLAMP RUN 14 AWG WIRE FROM FABRICATED GROUND TO GREEN SENSOR GROUND SCREW CLAMP ye M PLASTIC A B TANK t m SENSOR D Figure 2 5 A GROUND ROD A ground rod can be fabricated out of any metal compatible with the process Use material that is at least 3 8inch dia such pipe All Thread or tubing The ground rod must be parallel and relatively close to the sensor B GROUND WIRE 1 4 inch or larger dia stainless steel rope that is anchored or weighted can be used C MOUNT SENSOR IN METAL PIPE Mounting the level sensor inside a metal pipe provides an excellent ground reference Use only if the process material is greter than 1000 uMHOS cm such as acids and caustic D METAL PIPING Metal piping that connects to the tank bottom can
23. bilization civil commotion riots embargoes domestic or foreign governmental regulations or orders governmental priorities port congestion acts of the Buyer its agents or employees fires floods strikes lockouts and other labor difficulties shortages of or inability to obtain shipping space or transportation inability to secure fuel supplies or power at current prices or on account of shortages thereof or due to limitations imposed by the extent of availability of Seller s normal manufacturing facilities If a delay excused per the above extends for more than ninety 90 days and the parties have not agreed upon a revised basis for continuing providing the goods or services at the end of the delay including adjustment of the price then Buyer upon thirty 30 days prior written notice to Seller may terminate the Order with respect to the unexecuted portion of the goods or services whereupon Buyer shall promptly pay Seller its reasonable termination charges upon submission of Seller s invoices thereof LIMITATION OF LIABILITY Seller s liability for any claim of any kind except infringement of intellectual property rights shall not exceed the purchase price of any goods or services which give rise to the claim SELLER SHALL IN NO EVENT BE LIABLE FOR BUYER S MANUFACTURING COSTS LOST PROFITS LOSS OF USE OF THE GOODS OH SERVICES COST OF CAPITAL COST OF SUBSTITUTE GOODS FACILITIES SERVICES REPLACEMENT POWER DOWNTIME COSTS CLAIM
24. ch NPT maximum length X insulated metal rod 2400 pE 1000psi 100 F 506 3X00 Y07 70 BAR 38 C 700 2 27 500 psi 300 F 34 BAR 120 C Modest 56 in 13 7mm O D conductive 15 ft 4 7m 34 inch NPT coatings maximum length FEP insulated metal rod 300 pF 375 in 9 5mm O D TFE insulated 1000psi 100 F center rod metal center 506 3X00 Y09 70 BAR 38 C Insulating 1 625 in 41 mm OD 172 inch 78 pF 700 1 26 500 psi 300 F liquids shield NPT j p 34 BAR 149 C 20 ft 6m CO maximum length shield 0 for two point models X 1 for three point models Y 0 for integral mount Y 7 for remote mount Flange mountings available Form 440 0001 001 3 1 2006 TERMS AND CONDITIONS OF SALE GENERAL ALL ORDERS ARE SUBJECT TO THE FOLLOWING TERMS AND CONDITIONS ANY ACCEPTANCE ANY OFFER OF BUYER FOR ANY GOODS SERVICES IS CONDITIONED UPON THESE TERMS AND CONDITIONS AND SELLER OBJECTS TO ANY ADDITIONAL OR DIFFERENT TERMS PROPOSED BY BUYER IN ANY DOCUMENT WHICH SHALL BE BINDING UPON SELLER salesman or other party is authorized to bind the AMETEK DREXELBROOK Division of AMETEK Inc hereinafter Seller by any agreement warranty statement promise or understanding not herein expressed and no modifications shall be binding on Seller unless the same are in writing and signed by an executive officer of Seller or his or her duly authorized representat
25. es ON I INNON HIONJ NOT IH3SNI c SIV jlO0H N V Id S6 rT HC SNS Figure 2 2a Mounting of Remote Unit with Explosionproof Housing 406 3XXX 004 SENSOR TRANSMITTER IN NEMA HOUSING Installation SENSOR CABLE ENTRY PORI Aoa SENSOR 106 9 CABLE AO 125 0 BASE 15 SQUARE p j NEMA TYPE 4 4X 3 d VM NE il 1 ULBOB TYPE 3 CSA TYPE P ENCLOSURE A C POWER amp RELAY FLAMMABILITY AF EING PORTS RATING UL94 5V TEC 529 1 67 MOUNT ING 4 92 125 0 INSERT ION ENGTH 1 00 25 4 1 06 DIA 167 4 24 26 9 MOUNTING SCREW ALL DIMENSIONS HOLES HIDDE BENEATH COVER SCREWS tar PLACES
26. estions about sensing elements contact your local representative or the factory Model Number Process Capacitance Sensin Pressure Applications Sensing Element Standard Materials of DF per 9 PP Dimensions Mounting Construction P P Element Temperature Foot 1000psi 100 F Light or 506 3X00 Y01 70 BAR 38 C non coating ER 34 ine pr insulated 75 pp 700 1 22 500 psi 300 F conductive enot metal rod P 34 BAR 149 C liquids 9 375 9 5mm TFE insulated 1000psi 100 F center rod metal center 506 3 00 02 70 BAR 38 C Insulating 1 66 in 42 mm O D 1 inch rer 700 1 24 500 psi 300 F liquids Concentric shield NPT 34 BAR 149 C 20 ft 6m concentric maximum length shield 78 pF 1000psi 100 F For strength 506 3 00 04 70 BAR 38 C and modest 700 2 57 500 psi 250 F conductive 34 BAR 120 C coatings 84 in 21 3mm O D 20 ft 6m 1 inch NPT maximum length X insulated 350 pF metal rod 10 Longer lengths in 506 3X00 Y05 500 psi 300 F water like 700 5 54 34 BAR 149 C liquids without agitation 093 in 2 4mm O D 400 ft 122m 3 4 inch NPT maximum length PFA insulated cable 1000psi 100 F Best 506 3 00 06 70 BAR 38 C conductive 700 2 37 500 psi 250 F coating 34 BAR 149 C rejection 54 13 7mm O D 12 ft 3 65m 34 in
27. g Mt M e 3 22 MOUNINO E TU 3 2 2 1 Installation of the Sensing Element 3 2 2 2 Non Metallic Tanks Using a Ground Reference 8 oo 10 2 9 1 eee eee rere eee 10 2 3 2 Sensing Element Wiring 12 2 9 9 elay VVIFIFIG kasa sa ten 14 SECTION 3 CALIBBATION 15 Bel SOD aN Cle CON em 15 9 27 Caliban Procede u uuu l m 18 3 3 Secondary Calibration 24 TROUBLESHOOTING Si aaa a 26 41 Electronic Unit CHECK OUR Reto a 26 42 Relay Circuit 28 4 39 Sensing Element Gece kolo u rain tUa rares unida 30 4 4 LU T 32 4 5 Telephone ASSISISTICO ks said uds 33 46 Eq ipment FOU ses iste cp sence wea e ave da etti aviae oed aska aya wamaqa 33 d SENI assises S EE 34 48 Customer TRAINING qoc diei aub usu Pacto tun nutu 34 SECTION 5 SPECIFICATIONS i Ga be aC YE in VE Re Ou a u Du 35 o Electronics SOCCIICATOMS 2 4
28. goods are to be returned to the place of manufacture shipping charges prepaid by the Buyer 3 Sellers inspection shall disclose to its satisfaction that the goods were defective in materials or workmanship at the time of shipment 4 Any warranty service consisting of time travel and expenses related to such services performed other than at Seller s factory shall be at Buyer s expense E Repaired Reconditioned Goods As to out of warranty goods which Seller has repaired or reconditioned Seller warrants for a period of sixty 60 days from date of its invoice only new components replaced in the most recent repair reconditioning F Returns and Adjustments No goods may be returned unless authorized in advance by Seller and then only upon such conditions to which Seller may agree Buyer must obtain an RMA Return Material Authorization number from Seller prior to any return shipment and such RMA number must appear on the shipping label and packing slip Buyer shall be responsible for the returned goods until such time as Seller receives the same at its plant and for all charges for packing inspection shipping transportation or insurance associated with returned goods In the event that credit for returned goods is granted it shall be at the lesser of the then current prices or the original purchase price Claims for shortage or incorrect material must be made within five 5 days after receipt of shipment ALL OTHER WARRANTIES FOR ANY OF SEL
29. h claim ii procures for Buyer the right to continue using such goods 1 replaces or modifies goods to avoid infringement or iv accepts the return of any infringing goods and refunds their purchase price or iv defends against such claim If Buyer furnishes specifications or designs to Seller the obligations of Seller set forth above shall not apply to goods made by Seller using such specifications or designs and Buyer shall defend indemnify and hold Seller harmless against any third party claims for infringement which arise out of Seller s use of specifications or designs furnished by Buyer SOFTWARE LICENSE If goods purchased hereunder include software Software Buyer may use the Software only as part of the goods Buyer may not use copy or transfer any of the Software except as may be permitted under the applicable License Agreement provided with the goods Buyer s right to use copy or transfer the Software shall terminate upon termination of Buyer s right to use the goods PACKAGING WEIGHTS AND DIMENSIONS Buyer specified packing or marking may be subject to additional charges not otherwise included in the price of the goods Published weights and dimensions are estimates or approximate only and are not warranted FORCE MAJEURE Seller shall not be responsible for delays in delivery or any failure to deliver due to causes beyond Seller s control including but not limited to the following items acts of God war terrorism mo
30. ive Verbal orders shall not be executed until written notification has been received and acknowledged by Seller QUOTATIONS Written quotations are valid for thirty 30 days unless otherwise stated Verbal quotations expire the same day they are made PRICES All prices and terms are subject to change without notice Buyer requested changes to its order Orders including those affecting the identity scope and delivery of the goods or services must be documented in writing and are subject to Seller s prior approval and adjustments in price schedule and other affected terms and conditions Orders requiring certified test data in excess of commercial requirements are subject to a special charge ORDER ACCEPTANCE All Orders are subject to final approval and acceptance by Seller at its office located at 205 Keith Valley Road Horsham Pennsylvania 19044 TERMS OF PAYMENT Seller s standard terms of payment for Buyers who qualify for credit are net thirty 30 days from date of invoice All invoices must be paid in United States dollars CREDIT Seller reserves the right at any time to revoke any credit extended to Buyer or otherwise modify terms of payment if Buyer fails to pay for any shipments when due or if in Seller s opinion there is a material adverse change in Buyer s financial condition Seller may at its option cancel any accepted Order if Buyer fails to pay any invoices when due DELIVERY Shipments are F O B place of manufacture
31. lay 2 and Relay 3 Fail Safe Level Output Condition HLFS Below ON Energized Trip Point Non Alarm TF 4 V h HLFS Above OFF De energized 292 252 1 1 Alarm 9 Trip Point 1 4 LLFS Below OFF De energized Trip Point Alarm 13 i 16 i LLFS Above ON Energized Trip Point Non Alarm d 1 1 Figure 2 8 Relay Wiring 506 3000 Series Multipoint Level Controller Calibration SECTION 3 CALIBRATION 3 1 SpanSelection Before calibrating the Multipoint II the proper span range must be selected It 1s important to select the correct range switches to ensure maximum sensitivity repeat ability resolution and ease of calibration Four factors determine the correct span range The type of product that 1s being measured conductive or insulating The sensing element model number The chassis model number The distance in feet from the tip of the sensing element to the maximum trip point Table 3 1 shows the maximum number of feet measured from the sensing element tip to the highest trip point for each range of the instrument The seven most common models are listed JP TA D Co gt lt gt lt p aad pn m1 300pF E 00 0 ae ce 20002 o od Hoop SPD Te 250pF 1300pF 3500pF 16500 175pF 900pF 2500pF 11500pF 2 2 2 2 3
32. lement 1t 1s possible that process material condensation or contami nation has entered the sensing element condulet hous ing and seeped into the packing gland Sometimes this contamination can be cleaned and removed with contact cleaner and dry compressed air heat gun can be used to gently heat the packing gland area to evaporate any moisture Continue with step 5 5 Clean the packing gland and condulet area and measure the resistance again If the resistance reading 1s still less than one megohm the sensing element needs to be rebuilt or replaced Contact the factory Use an analog ohmeter because the ohms volt rating is lower and it therefore provides more current to measure the resistance digital meter does not measure resistance in the same way 506 3000 Series Multipoint Level Controller ANALOG OHMMETER DISCONNECT PROBE CENTER GREEN LEAD GROUND SCREW Bu 1 PACKING GLAND DO NOT DISTURB NC N VESSEL OR TEST PIPE Figure 4 5 Checking the Sensing Element 91 506 3000 Series Multipoint Level Controller Troubleshooting 4 4 Cable Checkout Troubleshoot the cable using the following steps NOTE If there 1s water or other conductive material in the conduit t could cause the instrument to fail If this 15 the case it may not de tected by the following test 1 Disconnect cable at both ends Ensure all terminals are standing clear 2 Meas
33. lete for two setpoints If you want to use the adjustable differential feature deadband proceed to step 12 If you want to calibrate a third setpoint proceed to step 15 Raise the material to the level of the high point of relay 2 See Figure 3 6 SETPOINT RELAY 1 HLFS SETPOINT RELAY 2 HIGH POINT DEADBAND SETPOINT RELAY 2 LOW POINT Figure 3 6 Setpoint Relay 2 with Deadband 21 506 3000 Series Multipoint Level Controller Calibration 3 2 Calibration 13 Turn Relay 2 Diff Cal switch on Then adjust the Diff Procedure pot on relay 2 clockwise CW until the LED changes cont states See Figure 3 7 Turn Relay 2 Diff Cal switch off 7 MULTIPOINT LU DREXELBROOK ENG CO O 7 MODE p I RELAY 2 DIFF CAL E 7 CAL SWITCH gt DELAY D DIL y B x S i SETPOINT e 2 SETPOINT 2 1 E DIFF POI L 3 22 POWER 23 2 1 WO 24 2 RELAY 2 OD e H Crey TO MODE NO 406 3XX3 001
34. lll Dern eto a 35 5 2 Sensing Element Specifications do Rada tees eH E RR ORE ea Rage 36 506 3000 Series Multipoint Level Controller Introduction SECTION 1 INTRODUCTION 1 1 General This manual includes instructions for the Drexelbrook Description Multipoint II 506 3000 Series two and three point Admittance Level Controller The Multipoint II level control 1s a liquid level to relay controller with 2 or 3 1ndependent and non interacting setpoints along a single sensing element There are no moving parts to break or wear out and systems include CoteShield circuitry to ignore the effects of buildup or coatings on the sensing element The 506 3000 Series Multipoint IT consists of a 406 3000 series electronic unit and a 700 Series sensing element The standard control is integrally mounted electronics and sensing element are together For an optional remote configuration where the electronics and sensing element are separated a 380 Series connecting cable is also provided 506 3000 Series Multipoint Level Controller Introduction 1 2 Models System Model Number is 506 3XXX Electronic Unit model Available number 1s 406 3XXX Sensing Element 1s 700 X XX 406 3X X X 0 0 X Multipoint I Power 0 120 Vac 9 240 Vac Phasing 0 insulating material 3 conductive material Relays Housing 2 2 1 No Housing 8 3 4 Remote 5 Standard Finish Explosionproof Co
35. lsafe switches and setpoint relay pots Typical calibration setpoints are Relay 1 used for high level Relay 2 used for differential control Relay 3 used for low level ED 2 MULTIPOINT II Li DREXELBROOK ENG CO O FAILSAFE PE o MODE 9 3 pt RELAY 2 DIFF CAL p owes ae AFE 9 4 SWITCHES 9 5 DELAY y lt TA 6 D ow B Lk SETPOINT REL AY S sero wr B J Plo PESTA 9 DIFF I 7 20 E SETPOINT J 3 22 POWER las RELAY 1 7 S 24 u RELAY 2 O RELAY 3 24 VAC ON MODEL NO 406 31XX 001 J Figure 3 2 Failsafe Switches and Setpoint Relay Pots 506 3000 Series Multipoint Level Controller 3 2 Calibration Procedure cont CAUTION The Delay pot is a 2 3 turn device Do no
36. ndulet 6 Remote 5 Explosionproof Condulet with Drexelcote corrosion resistant coating 7 Remote Nema 4X 8 Integral 5 Standard Finish Explosionproof Condulet with Drexelcote corrosion resistant coating and 3 4 NPT 9 Integral 5 Standard Finish Explosionproof Condulet with 3 4 NPT D Integral 5 Standard Finish Explosionproof Condulet with 1 NPT E Integral 5 Standard Finish Explosionproof Condulet with Drexelcote corrosion resistant coating and 1 NPT 506 3000 Series Multipoint Level Controller Installation SECTION 2 INSTALLATION 2 1 Unpacking Carefully remove the contents of the shipping carton and check each item against the packing list before destroying any packing material If there is any shortage or damage report it immediately to the factory 1 800 527 6297 2 2 Mounting The Multipoint II electronic unit was designed for field mounting but it should be mounted a location as free as possible from vibration corrosive atmospheres and any possibility of mechanical damage For convenience at start up place the 1nstrument a reasonably accessible location See Figure 2 1 for mounting integral units and 2 2a and 2 2b for mounting remote units Ambient tem peratures at the electronic unit should be between 40 F and 140 F 40 C to 60 C Water damage is the leading cause of equipment failure Make sure water and corrosive fumes cannot enter the conduit electronic
37. nstallation F EX AC PWR amp RELAY 2 314 516 7 8 9 10 11 12 SES XMTR A E HOT NEUT GND rH RELAY 3 MULTIPOINT I DREXELBROOK 2 z E A C POWER amp RELAY CONNECTION SIDE WIRE SIZE 12 TO 28 AWG DPDT CONTACTS RATED 5 AMPS 220VAC Figure 2 6 Wiring Multipoint II 11 506 3000 Series Multipoint Level Controller Installation 2 3 2 Sensing Element If the Multipoint II controller has the electronic module Wiring mounted the same housing as the sensor integral Remote mounted mount the sensor 1s prewired at the facto
38. ollowing steps to check out the relay circuits A The relay circuits consist of double pole double throw relay contacts brought out to terminal strips When the relays are operating properly two and three pairs of contacts will be open with high or low level and two or three pairs will be closed with high or low level See Figure 4 3 LED Output ON OFF OFF ON Relay 1 1s shown Terminal numbers change for Relay 2 and Relay Relay 3 Condition Energized Non Alarm EET buy a De energized 292 252 Alarm pose 123 HA De energized Alarm 13 15 16 Li I Al Energized Non Alarm 1 1 LU Figure 4 8 Relay Circuit Operation B Adjust the instrument as described in the electronics checkout section 4 1 506 3000 Series Multipoint Level Controller Troubleshooting 4 2 Relay Circuit C Relay operation may generally be heard as an audible Checkout click when the background noise 1s not too high Use cont one of the methods shown in Figure 4 4 to determine if the relay contacts are switching D Difficulty in calibration can often be traced to 1mproper wiring of the relay terminals to an annunciator or other panel device Check the wiring against the relay chart in Figure 4 3 Be sure to use the diagram for the fail safe 1n which the channel is configured OHM METER AT O r u ss ot see
39. om the probe center wire blue shield outer wrap red and ground heavy wire green terminals at the instrument Leave the power connected Place all Failsafe switches to the HLFS position and the Relay 2 Diff Cal switch to the OFF position B Turn Relay 2 Diff Cal pot fully CCW CAUTION NOTE The Time Delay pot 1s a 2 8 If the instrument has the time delay option turn device Do not turn turn the Time Delay control to the full past its mechanical stops or counterclockwise CCW position no time damage could occur to the delay CONNECT ANY NEEDED PADDING unit CAPACITOR HERE SHIELD RED PAD NO I _ PROBE WIRE BLUE BLACK GROUND GREEN CABLE TO SENSING ELEMENT Figure 4 1 Electronic Unit Checkout 506 3000 Series Multipoint Level Controller Troubleshooting 4 1 Electronic Unit C Attach a 10 100 pF load capacitor between the sensing Checkout element center wire and ground terminals cont D See Figure 4 2 Starting with the Setpoint Relay pot for channel 1 in the full counterclockwise CCW posi tion turn the adjustment slowly clockwise CW until the relay just operates
40. ry Units When installing a remote mount system you must use the Drexelbrook supplied coaxial cable The cable can be a maximum of 150 feet Termination kits are available to shorten the cable if necessary Following are recommen dations for wiring the sensing elements See Figure 2 7 CAUTION When pulling the cable through the conduit do not use pulling lubricant Pulling lubricant changes the electrical characteristics of the cable remote mount sensing element cable connections are made to the sensing element after it has been installed 1n the vessel with the condulet attached For two terminal sensing elements the shield connection at the condulet must be clipped and insulated so that it cannot short circuit If necessary shorten the coax cable at the sensing ele ment end Termination at the sensing element end 1s less complicated because the sensing element usually does not require termination of the shield wire Always terminate and use the shield pigtail wire at the electronics end 506 3000 Series Multipoint Level Controller Installation a x b CONNECT ANY NEEDED PADDING CAPACITOR HER e
41. s OR 115V LAMP y 2 Dy pem 115 VAC i Figure 4 4 Relay Circuit Wiring 29 506 3000 Series Multipoint Level Controller Troubleshooting 4 3 Sensing Element NOTE Checkout The sensing element is intrinsically safe Therefore when using this product it 1s recommended that all service activity comply with appropriate guidelines 1 Use an analog ohmmeter and set 1t to R x 10K 2 With the process material covering the sensing element check the resistance between the sensing element center and ground terminals by measuring from the sensing element center rod blue screw to ground green screw 3 functional sensing element should measure infinite ohms open circuit e Low resistance may be caused by a crack or pinhole the sensing element insulation or a problem the condulet packing nut area Continue with step 4 4 To determine if the low resistance reading is a result of punctured insulation or a fouled condulet lower the process material below the sensing element and measure the resistance again f the resistance reading changes to infinite when the process material 1s below the sensing element the sens ing element insulation has failed The sensing element needs to be rebuilt or replaced Contact the factory If the resistance reading 1s still less than megohm when the material 1s below the sensing e
42. t turn past its mechani cal stops or damage could occur to the unit Calibration The following steps outline the calibration procedure 1 Select proper fail safe Set fail safe mode for each relay to its appropriate setting high level fail safe HLFS or low level fail safe LLFS ewitch the Relay 2 Diff Cal dip switch to the OFF position Turn the Relay 1 Delay pot fully counterclockwise Turn each Relay Setpoint pot fully counterclockwise This is approximately 32 turns There is no mechan1 cal stop slight clicking may be heard or felt when the pot is fully counterclockwise Also turn the Delay and Relay 2 Diff pots to the full counterclockwise positions Set the Span Range switches to the appropriate posi tion as explained Section 3 1 Turn on power to the Multipoint II controller The red power LED should illuminate Raise the material to the level where the first relay 15 to activate See Figure 3 3 If you cannot raise or lower the level your vessel go to section 3 3 for an alterna tive calibration method O L lt SETPOINT RELAY Figure 3 3 Setpoint Relay 1 19 506 3000 Series Multipoint Level Controller 3 2 Calibration Procedure cont adjusted See Figure 3 4 MULTIPOINT 11 DREXELBROOK ENG CO oo0000000000 FAILSAFE MODE NOT RE
43. talled in the field 506 3000 Series Multipoint Level Controller Calibration MULTIPOINT 11 CONNECT ANY NEEDED PADDING CAPACITOR HERE G SHIELD OUTER WRAP RED PROBE 2 2 2 mi BLUE CENTER WIRE BLUE DISCONNECTED 270 0101 093 2 GREEN GROUND WIRE GREEN GROUND GREEN base POST M WHITE DOT DISCONNECTED IN i RED DOT p x BA CONDULET RED WHITE POST POST Figure 3 10 Secondary Calibration Standard 20 506 3000 Series Multipoint Level Controller Troubleshooting SECTION 4 The Multipoint II 1s a solid state device with no moving TROUBLESHOOTING parts other than its relays and requires no maintenance or adjustments The units are designed to give years of unattended service A spare electronic chassis is recommended for every 10 units so that case of a failed unit a critical application will not be held up while the unit 1s returned to the fac tory for repair Use the following troubleshooting procedures to check out the Multipoint II level control If attempts to locate the difficulty fail notify your local Drexelbrook representa tive or call the factory direct at 1 800 527 6297 Before removing the instrument from service determine whether the malfunction 1s due to a problem with the sensing element or the process conditions 4 1 Electronic Unit Use the following steps to check out the electronic unit Checkout A See Figure 4 1 Disconnect the cable fr
44. ure resistance from center wire to cote shield using an analog ohmeter set to R x 10K scale Resistance should be infinity open circuit GROUND WIRE Er INSTRUMENT END X 22 PROBE END ST CENTER PROBE WIRE neri COTE SHIELD WIRE 3 Short probe and cote shield terminals together at end 4 Measure resistance from probe to cote shield terminals at other end Resistance should be near zero ohms short circuit CX On fU v 5 Repeat steps 1 and 2 for cote shield and ground terminals Resistance should be infinity open circuit CX on E SS I ZUM C m 6 Repeat steps and 4 for cote shield and ground terminals Resistance should be near zero ohms short circuit OO gis f f 2 506 3000 Series Multipoint Level Controller Troubleshooting 4 5 Telephone Assistance 4 6 Equipment Return If you are having difficulty with your Drexelbrook equip ment and attempts to locate the problem have failed notify your local Drexelbrook representative or call the factory toll free 1 800
45. uyer and Seller and supercedes any and all prior discussions and negotiations on its subject matter AMETEK DREXELBROOK An ISO 9001 Certified Company 205 Keith Valley Road Horsham 19044 US Sales 1 800 553 9092 24 Hour Service 1 800 527 6297 International 215 674 1234 Fax 215 674 2731 E mail drexelbrook info ametek com Web www drexelbrook com
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