INSTALLATION AND USER GUIDE
Contents
1. gm ome oy p E 3 oe EN 75 gm 1 i I 1 1 li il uy Ch d Lm c pL en t BA 3 t he y d il CW io increase R DERDHRH RELAY DEADMA PRESS OUTPUT INPUT INPUT FDPM MKII PDM Wiring PCB 8080x136 rev F ASSY SBHT1S6 rev Wire Connection Board The input circled in red PULSE INPUT is NOT used for DPM installations NOTE If one 4 20mA Differential pressure sensor is being used connect its wiring terminations to the DIFF PRESS terminal block location If two 4 20mA Single Ended pressure sensors are being used connect the High Pressure sensor wiring terminations to the HIGH PRESS terminal block location and the Low Pressure sensor wiring terminations to the LOW PRESS terminal block location If a single O 5V Differential pressure sensor is being used including a piston type gage connect its wiring terminations to O 5V PRESS INPUT If a 5V switch type device is being used including a piston type gage connect its wiring terminations to 5V DEADMAN INPUT The PULSE INPUT is not used on the DPM device e Deadman The Deadman relay of the DPM system is designed to be wired in series loop configuration with the existing deadman switch of the refueling vehicle This Relay Output is a simple open closed switch which may be set up in either a Normally Open N O or Normally Closed N C configuration however it is highly recommended2. o OPE Pago A Parker Hannifin Corporation Velcon Filtration Division 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com DPM Installation and User Manual parker TF 1 GENERAL DESCRIPTION Velcon s Differential Pressure Module DPM is designed as a simple pressure monitoring system which will halt a fueling operation in the event of monitor filter differential overpressure as outlined in JIG Bulletin No 58 The built in Programmable Logic Controller PLC receives input from system pressure sensors and activates the vehicle deadman switch in the event that the system differential pressure exceeds 22psid This indicates that the filters have reached the end of their useful life or more critically the filters have become loaded with a contaminant slug If the differential pressure exceeds the set limit mandated in the API EI 1550 specification the vehicle must be taken out of service and the filters changed Signal inputs to the DPM can be from variety of devices to include piston type gages equipped with either a O 5V variable or 5V limit signals two single ended 4 20mA pressure transducers one differential 4 20mA pressure transducer one 0 5V differential pressure transducer The DPM operates on 12 24 VDC input power to ensure easy installation and safe operation in the intended operating environment In the
3. opened CAREFULLY disconnect the wiring harness connector from the Printed Circuit Board inside the enclosure by gently prying the ends of the connector up using the 4mm Allen key as shown Do not pull on the wire strip Parker Hannifin Corporation Velcon Filtration Division Page 16 of 27 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com DPM Installation and User Manual parker ROM s ES i 0000200000060 e Once the wiring harness has been disconnected the DPM lid can be carefully set aside e Using an appropriate socket head cap screw or equivalent fasten the DPM bottom enclosure to the designated location A 1 4 20 X 1 5 long socket head cap screw works well for fastening the enclosure to a 1 8 thick plate 2 1 5 ROUTE CABLING Once the DPM bottom enclosure has been securely mounted route and secure cabling from power pressure sensor s and the deadman circuit to the wiring board in the enclosure It is best practice to leave a small service loop of cable for each of the inputs at the bottom of the enclosure since there is very little room within the enclosure to store the service loops Parker Hannifin Corporation Velcon Filtration Division Page 17 of 27 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com DPM Installation and User Manual ST ioco p NS AT E a r of amp ececeeoaseevovn
4. CRITCAL WARNING Q POWER ON RESET OPERATE OVERRIDE i o D e o WG EMI NE el Cisal 41 1104 Parker Hannifin Corporation Velcon Filtration Division 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com DPM Installation and User Manual Parker 1 9 SAFETY CONVENTIONS Caution In this document this symbol expresses the need for extreme caution when performing the documented procedure Failure to do so may cause harm to the user or the permanently damage the DPM unit Important This symbol expresses an important point or step in a procedure Stop and read carefully before continuing Note This symbol expresses an important point to take note of for future reference 1 10 OPERATING PRECAUTIONS The DPM has been certified for Class 1 Zone 2 Group 3D operating environments This implies that only under ABNORMAL circumstances will an explosive mixture of air and fuel vapors and an ignition source exist If a situation arises that will result in an explosive mixture of air and fuel vapors in the DPM s operating environment during the installation or maintenance of the DPM or at any other time power to the DPM must be de energized to avoid the risk of igniting the potentially explosive atmosphere It is not the intention of Velcon Filters LLC to have the DPM unit operate in conditions where there is a NORMALY occurring explosive mixt
5. SENSOR 4 20 or 0 5V OR SINGLE ENDED T SENSORS 4 20mA only DEADMAN TERMINAL CONNECTIONS ON REFUELING VEHICLE Wiring Schematic with Minimum Required Inputs For proper operation power a deadman switch circuit and ONLY ONE of the sensor input options are required as shown NOTE Either pressure transducers or piston type pressure switches may be used with the DPM STOP although each DPM is calibrated specifically for the transducers being used Transducers of a different range MUST NOT be substituted for the transducer range that the DPM was IMPORTANT originally calibrated for This will render the DPM inaccurate Velcon is available to assist in the selection of these types of instruments that are widely available Velcon also offers both differential pressure transducers as well as single ended pressure transducers which are easily installed in standard 1 4 NPT fittings available on most fuel dispensing systems Both of these sensors are available with Class 1 Div 1 or Class 1 Zone 2 Group 3D standard ratings When selecting pressure transducers it is important to match them to the fueling systems maximum rated pressure and filter change out pressure Example If your refueling system is rated for 15 PSI change out with a 150 PSI static pressure you will likely choose a pressure transducer rated for 0 25 PSI range with a 150 PSI static pressure rating which will yield the maximum accuracy for a
6. DPM Installation and User Manual parker ioco DPM DIFFERENTIAL PRESSURE MODULE EU IEC nA op is T5 Gc C 211 3 G Class 1 Zone 2 3D pending e TEN CAL VVA RNIN POWER ON RESET mii FERATE OVSE RIDE Differential Pressure Switch that Interrupts Refueling in the Event of Monitor Differential Overpressure per JIG Bulletin No 58 INSTALLATION AND USER GUIDE Revision 3 0 DPM Installation and User Manual Darker A WARNING USER RESPONSIBILITY FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS DESCRIBED HEREIN OR RELATED ITEMS CAN CAUSE DEATH PERSONAL INJURY AND PROPERTY DAMAGE This document and other information from Parker Hannifin Corporation its subsidiaries and authorized distributors provide product or system options for further investigation by users having technical expertise The user through its own analysis and testing is solely responsible for making the final selection of the system and components and assuring that all performance endurance maintenance safety and warning requirements of the application are met The user must analyze all aspects of the application follow applicable industry standards and follow the information concerning the product in the current product catalog and in any other materials provided from Parker or its subsidiaries or authorized distributors To the extent that Parker or its subsidiaries or authorized distributors
7. 2 1 6 DETERMINE PROPER POWER AND SENSOR POLARITY It is extremely important to ensure that power is off and that all polarity has been verified before attempting to make any wiring connections to the DPM Reversing polarity on any of these connections may result in unit damage or failure Follow these guidelines to determine proper polarity for each e INPUT POWER Red normally designates V 12 or 24 volts while black or green normally designates ground Determine the polarity of your power cable using a multimeter before attempting to make any connection and mark if needed PRESSURE SENSOR 4 20mA output pressure sensors are normally used in a Loop configuration meaning that they are connected between source power V and signal as in the diagram below Sensors provided by Velcon Single Ended or Differential will always come prewired with a black and red lead which will correspond directly to the wiring terminal colors printed on the wiring board terminal block If using a pre existing pressure sensor refer to the manufacturer s pressure sensor manual for proper wiring configuration Parker Hannifin Corporation Velcon Filtration Division Page 18 of 27 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com EXC OUT DPM Installation and User Manual Parker TF DPM UNIT DIFFERENTIAL PRESSURE SENSOR COM DIFF PRESS e LLI oe Typical Wiring of a 4 2
8. U gt gt 2 2 1 2 DETERMINE MODULE INSTALLATION LOCATION Select an area which best suits the location of the DPM Module taking into consideration the following criteria IMPORTANT Install strictly within regional and local fire codes for installation of equipment on aircraft fueling vehicles This may require installing the DPM Module within the cab when being installed on a refueling truck e Install preferably out of direct sunlight and weather Although this is not necessary following this guideline will help to increase the longevity of the unit e Install in an area which is easily viewed and accessible by operators during a refueling operation e Install in an area which will minimize cable runs i e close to power and pressure sensors e Install in an area which will minimize exposure to fuel spillage e f installing Velcon provided Pressure Sensors install as near as possible to the inlet and outlet of the filter vessel see diagram below e lf installing Velcon provided Pressure Sensors install in areas which will minimize the vertical difference between the inlet and outlet of the sensors The more vertical distance put between the inlet and outlet the more error that will occur as a result of the additional weight of the column of fuel between the two sensors Parker Hannifin Corporation Velcon Filtration Division Page 13 of 27 1210 Garden of the Gods Road Colorado Springs Color
9. notwithstanding that such Seller products may have been designed only for use in or may only be useful in such other patented products or such patented equipment assembly piping spool circuit combinations method or process or in the manufacturing or testing thereof and that Seller products may have been purchased and sold for such use Seller expressly reserves all its rights under such patent claims PROPRIETARY RIGHTS The prints drawings or specifications of Seller attached hereto or hereafter furnished by Seller to Buyer in connection with the obtaining or the performance of this Agreement are the property of the Seller and represent a proprietary article with respect to which Seller retains all United States or foreign letters patent trademarks or copyrights including exclusive rights of use manufacture and sale Possession by Buyer of such prints drawings or specifications does not convey any permission to manufacture use or sell any goods shown thereon and such information is disclosed to Buyer on a confidential basis COMPLIANCE WITH LAWS AND REGULATIONS Buyer agrees to indemnify and hold Seller harmless against all losses claims causes of action penalties and liabilities arising out of Buyer s failure to comply with all applicable federal state and local laws ordinances regulations rules and orders TERMINATION If Buyer fails to comply with any of the provisions hereto or becomes the subject of a proceeding under state or
10. monitoring device it will need the following minimum inputs to operate correctly 1 Power Power will be in the form of 12 24VDC with a minimum of 300mA of current 2 Pressure Signal The pressure signal can be taken from a number of various off the shelf pressure transducers on the market today which are capable of outputting a 4 20mA O 5VDC or a 5VDC limit signal Note Each DPM is factory configured for the specific pressure sensors that are intended to be used This configuration cannot be changed in the field Therefore if pressure sensor s are to be changed or replaced they must be replaced with sensors which match the range and output of the original sensors exactly Velcon can recommend and supply pressure transducers as needed 3 Deadman Switch The deadman switch can be wired in series with the DPM module in either a normally closed N C or normally open N O circuit configuration The N C configuration ensures operation integrity in the event of a loose or severed wire connection Parker Hannifin Corporation Velcon Filtration Division Page 10 of 27 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com DPM Installation and User Manual parker ioco WARNING DPM 7 MODULE Pe RESET PISTON PISTON EE rene TYPE TYPE 5V OUTPUT SWITCH 0 or 5V 0 5V DIFFERENTIAL
11. point with increased pressure preventing the system from shutting down CURRENT METER y FUEL INLET TO FILTER VESSEL CRITICAL WARNING w PN e POWERON DPM i SNC RESET aa OPERATE XS OVERRIDE PRESSURE TRANSDUCER FROM FILTER VESSEL RESTRICTER VALVE 2 1 9 SYSTEM CALIBRATION The calibration of system components is as follow e DPM Module The DPM Module does not require calibration e Differential and Single Ended pressure transducers One year intervals per manufacturers suggested guidelines It is the responsibility of the equipment installation operation and user personnel to arrange for calibration of this equipment at manufacturer suggested intervals Velcon assumes no responsibility for equipment calibration Parker Hannifin Corporation Velcon Filtration Division Page 22 of 27 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com NOILVTIVLSNI Z DPM Installation and User Manual ST ioco 3 OPERATION 3 2 CRITICAL ALERTS Alerts The purpose of the DPM is to immediately halt a fueling operation in the event of monitor differential overpressure as outlined in JIG Bulletin No 58 Therefore the DPM is pre programmed to shut the fueling operation down at 22 psid or above and lock the system in the shutdown condition until filters are replaced and pressure returns to normal When a system
12. standard off the shelf pressure transducer Parker Hannifin Corporation Velcon Filtration Division Page 11 of 27 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com If your system is rated for a change out pressure of 15 PSI but you use a transducer with 0 150 PSI range some accuracy will be lost with the larger range Velcon P N 764X001 Differential 4 20mA Output 0 25 psid Range NPTF No Rating Velcon P N 764X008 Differential 4 20mA Output 0 2 Bar Range NPTF Class 1 Division 1 Rating Velcon P N 764X021 Single Ended Two required 4 20mA Output 0 100 psid Range NPTM Class 1 Division 1 Rating Pressure Transducers Available from Velcon Differential and Single Ended Transducers shown here as Class 1 Zone 2 and Class 1 Division 1 Standard Classification Ratings Parker Hannifin Corporation Velcon Filtration Division 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com Page 12 of 27 DPM Installation and User Manual Parker 2 INSTALLATION 2 1 DPM MODULE MOUNTING INSTRUCTIONS 2 1 1 TOOLS NEEDED The following is a list of tools that may be needed for a typical DPM refueling vehicle installation e Drill e Drill bits as outlined in 2 1 4 below e Taps as outlined in 2 1 4 below e Wire strippers cutters e Digital multimeter with DC voltage and mA current functions N Z
13. that it be configured as a Normally Closed configuration A N C configuration ensures the integrity of the Deadman circuit so that in the event of a loose or severed wire connection the fueling operation will be shut down until the circuit is resored See Section 1 9 for relay voltage and current handling specifications of the deadman relay Parker Hannifin Corporation Velcon Filtration Division Page 20 of 27 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com NOILVTIVLSNI c DPM Installation and User Manual Parker F Deadman Terminal Connections on DPM Module Deadman Terminal Connections on Refueling Vehicle Deadman Circuit Connection An example of a Normally Closed Series or Loop Deadman wiring configuration 2 1 8 TEST FUNCTIONALITY Once the DPM has been properly installed it can be tested for functionality using the following steps e Engage power to the refueling vehicle and verify that the DPM powers up properly e Using a restrictor valve on the outlet side of the fuel filter vessel flow fuel through the system and slowly increase the differential pressure across the filter vessel by closing the restrictor valve Verify that the DPM shuts the system flow down when the piston gage reaches 22 psid e f the system is does not shut down at 22 psid disconnect one terminal wire from the pressure transducer and insert a current meter as shown below R
14. 0mA Output Pressure Sensor 2 1 8 MAKE FINAL WIRING CONNECTIONS Once all wiring and polarity has been positively determined complete the following wiring steps IMPORTANT Disengage main power to truck BEFORE attempting to make any wiring connections Failure to do this may result in unit damage or failure Route each cable through an appropriate cable gland close to its respective wiring terminal and tighten the cable gland enough to create a seal but being careful not to crush the cable Once all cables are routed through the cable glands loop the excess cables appropriately and make the connections When connecting wires to the terminal block ensure that the wire ends are properly twisted so that stray wire strands do not bridge to neighboring terminals Also ensure that each wire is properly and fully seated within its respective terminal and tightened securely For standard installations VOLTAGE INPUT DEADMAN RELAY OUT N C and one of DIFF PRESS LOW PRESS and HGH PRESS 5V DEADMAN IN or 5V DIFF PRESS IN will be used The RELAY OUTPUT for using a Deadman switch will be described below Insert cable gland plugs provided in any unused cable glands Parker Hannifin Corporation Velcon Filtration Division Page 19 of 27 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com NOILVTIVLSNI Revision 3 0 DPM Installation and User Manual Darker LS
15. ROSE IN NO EVENT SHALL SELLER BE LIABLE FOR SPECIAL INCIDENTAL CONSEQUENTIAL OR EXEMPLARY DAMAGES Any cause of action that Buyer may have against Seller and which may arise under this contract must be commenced within one year after the cause of action has accrued PRICE Unless otherwise specified price includes domestic packaging and transportation to the specified FOB point Buyer will pay any additional transportation charges Prices do not include any federal state or local taxes assessments or import duties applicable to the sale ownership production transportation or use of goods sold Any such tax or duties shall be separately itemized on Seller s invoice and paid by Buyer or in lieu thereof Buyer shall furnish Seller with a valid tax exemption certificate In the event Seller is required to pay any such tax or assessments Buyer shall reimburse Seller upon demand plus interest on such amount at the rate of ten percent 10 per annum from the date paid by Seller Seller shall be under no obligation to contest the validity of any such tax or assessments or to prosecute any claims or refunds or returns Any personal property taxes or similar taxes or assessments against the goods or on account of materials segregated for the Buyer and being held by the Seller at Buyer s request shall be paid by Buyer SHIPMENTS AND PACKAGING Unless otherwise agreed in writing all shipments shall be FOB Seller s plant or plants and title passed to B
16. acement the purchaser will be responsible for all transportation and labor costs In no event shall Velcon be liable for indirect consequential or special damages No change in this warranty shall be binding upon Velcon unless in writing and signed on its behalf by its CEO All orders sales and contracts are subject to Velcon s standard conditions of sale in effect at the time of our acceptance Parker Hannifin Corporation Velcon Filtration Division Page 27 of 27 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com DPM Installation and User Manual parker ioco MOUNTING TEMPLATE 1 TO 1 SCALE REMOVE PAGE AND USE TO MOUNT THE DPM UNIT 17 64 6 6 CLEARANCE HOLES 1 4 20UNC or M xi 433 C11 0mm 5 91 C140mm
17. ado 80907 USA www velcon com DPM Installation and User Manual Parker F LOW PRESSURE SIDE TO AIRCRAFT OUTLET TX CM FILTER VESSEL M creme N lt f mum st 2 LER gt c Re 2 HIGH PRESSURE SIDE LI FROM HYDRANT Vessel Configuration with Corresponding Differential Pressure Transducer LOW PRESSURE SIDE OUTLET TO AIRCRAFT 8 CRITCAL WARNING 8 POWER ON FILTER VESSEL pre OPERATE OVERRIDE ENM H periere ien m den iE 1 J HIGH PRESSURE SIDE INLET 0 amp FROM HYDRANT Vessel Configuration with Corresponding Single Ended Pressure Transducers Parker Hannifin Corporation Velcon Filtration Division Page 14 of 27 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com When using single ended pressure transducers it is sometimes most convenient to T o
18. all be conclusively deemed to conform to the terms and specifications of this Agreement and shall constitute an irrevocable acceptance of the goods Any use by Buyer of the goods other than solely for test purposes or any alteration of the goods by Buyer without Seller s prior written consent shall be conclusive and binding evidence that the goods conform to the terms and specifications of this Agreement If Buyer accepts or is deemed to have accepted the goods as herein above provided Buyer shall not be entitled to revoke acceptance thereof at a subsequent time In the event Buyer timely rejects the goods in accordance with the terms of this Agreement Buyer shall hold the goods without charge to Seller for a reasonable time until Seller gives instructions to Buyer with respect to the goods Should Buyer sell or dispose of the goods without Seller s written approval such sale or disposition shall constitute an unequivocal acceptance of the goods notwithstanding any prior rejections of the goods CANCELLATIONS Once an order has entered the Velcon manufacturing process or for stock items if already picked and packed it cannot be cancelled without receiving written authorization by Velcon Management Cancelled orders will be subject to a cancellation fee the amount will be based on the value of the work completed but will not be less than 20 of the original order value Please also note that some manufactured products will have a cancellation fee of
19. arranty shall be of no force or effect unless set forth in this Agreement The laws of the State of Colorado shall govern the formation performance and construction of the Agreement The Velcon Warranty SYSTEMS AND ELECTRICAL COMPONENTS Velcon does not warrant that the systems and electrical components of their products the Electronics conform to any specification Velcon warrants title to the Electronics and further warrants that the Electronics are free from defective material and workmanship when such products are installed and operated in accordance with its instructions These warranties shall terminate one year from date of invoice Velcon s Electronics warranty does not extend to articles such as pumps motors electrical components etc manufactured by others This responsibility rests entirely with the manufacturer of these articles The Electronics warranty is exclusive and is in lieu of all other warranties express implied or statutory including the warranties of merchantability and fitness for a particular purpose Except in the respect to patent matters the exclusive liability of Velcon arising out of the sale and supply of its Electronics products the use of its Electronics products and any related services thereto whether a claim is made based on warranty negligence or otherwise shall be at Velcon s option to correct the defect replace the product or repay the purchase price In the event of correction or repl
20. e to a contaminant slug which may cause a collapse or rupture in a filter or monitor Parker Hannifin Corporation Velcon Filtration Division 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com DPM Installation and User Manual E M ioco The two modes of fuel dispenser shutdown which are built in to the DPM are summarized as follows SYSTEM OVERPRESSURE For system overpressure due to filters having reached the end of their useful life the system pressure must be at or above 22 psid for 3 or more consecutive seconds before a shutdown will occur This time delay serves to filter out any system pressure bounce or noise that may occur e FILTER MONITOR RUPTURE The filter monitor rupture watchdog feature is set up to trigger a shutdown in the event that the differential pressure rises above 50 psid for 0 2 or more seconds 1 1 VISUAL OUTPUTS INDICATORS e Daylight Readable Red Critical Indicator e Daylight Readable Green Power On Indicator 1 2 ALARM TRIGGERS 1 2 1 CRITICAL ALARM RED INDICATOR LIGHT e 22 psid or 1 5 Bar e External Switch Relay Deadman 1 2 2 KEYED RESET OVERRIDE MOMENTARY SWITCH e Reset key position is used to unlock the system after pressure returns to normal This is to be done by a designated supervisor following a filter change out once an overpressure condition is encountered e Override key position is used to override the shutdown feature for pu
21. esume fuel flow as described above and verify that there is current flow in mA through the transducer The exact current mA that corresponds to a shutdown of 22 psid will vary greatly depending upon the specific transducer range being used For example a transducer rated for 0 25 psid and with an output of 4 20 mA will trip the shutdown relay at approximately 18 05 mA Contact Velcon for the exact current shutdown point of the sensor s being used e OVERRIDE JIG Bulletin No 58 requires a system shutdown override feature which allows the full range of the pressure transducers to be tested The DPM provides this override feature through the key switch Note that because the key switch has a momentary actuator it must be held in position throughout the testing procedure To use this feature create a differential pressure rise as described above while engaging the OVERRIDE key Parker Hannifin Corporation Velcon Filtration Division Page 21 of 27 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com NOILVTIVLSNI c DPM Installation and User Manual parker ioco position Verify that the pressure transducers rise above the 22 psid trip point by measuring current or voltage output In the example above a sensor with a 4 20 mA output and a 0 25 psid range will trip the shutdown relay at approximately 18 05mA Using the SHUTDOWN feature however the sensors output should bypass the 18 05mA shutdown
22. event that the 22psid limit is exceeded the DPM will initiate an alarm sequence triggering the deadman circuit thereby automatically disabling the fueling equipment and halting the flow of fuel Once the filters have been changed and system pressure has returned to normal a keyed switch is used to reset the system which will resume normal fueling operation The DPM is also equipped with a keyed override which is used to disable the deadman circuit for purposes of testing full range sensor operation Note that the DPM module can be easily and quickly upgraded to an FDPM MKII a CORRECTED differential pressure monitoring system Contact Velcon for further information USE OF 4 20Ma PRESSURE SENSORS AND FILTER RUPTURE MONITORING FEATURE In addition to providing inputs from piston type pressure gauges as do other differential pressure monitoring systems currently on the market Velcon s DPM will accept 4 20mA output signals from a variety of standard off the shelf pressure transducers in both single ended and differential pressure configurations Besides lower cost one advantage to using these types of sensors is that not only will the DPM system shut a fueling dispenser down when system pressure reaches or exceeds 22 psid but as an additional safety measure a watchdog feature is also built in to trigger a shutdown in the event of a filter monitor rupture This feature takes advantage of a sudden spike followed by a drop in pressure du
23. federal law for relief of debtors or makes an assignment for the benefit of creditors Seller shall have the right to hold Buyer in default and in addition to any other rights it may have may cancel this Agreement in whole or in part EFFECT OF INVALIDITY The invalidity in whole or in part of any provision hereto shall not affect the validity of any other provisions CREDIT Seller reserves the right at any time to alter or suspend credit or to change credit terms provided herein when in its sole opinion the financial condition of the Buyer so warrants In such case in addition to any other remedies herein or by law provided cash payment or satisfactory security from Buyer may be required by Seller before shipment or Seller may at its option defer further shipments to Buyer until Buyer reestablishes satisfactory credit cancels the unshipped portion with a twenty five percent 25 cancellation fee of the order without any liability for failure to ship or makes shipments to Buyer on a prepayment basis Payments made by trade acceptances notes securities postdated checks etc are unacceptable unless first approved in writing by Seller REMEDIES The rights and remedies provided Seller herein shall be cumulative and in addition to any other rights and remedies provided by law or equity Seller s failure to insist upon strict performance of any provision of the Agreement shall not be deemed to be a waiver of Seller s right or remedies no
24. ff of the piston gage as shown below C CRITICAL WARNING P e POWER CIN WEN LL TO FILTER VESSEL SINGLE ENDED PRESSURE i TRANSDUCERS FROM FILTER VESSEL 4 FUEL OUTLET q DPM Installation using Single Ended Pressure Transducers Coupled into High and Low Pressure Sides of a Piston Type Gauge Parker Hannifin Corporation Velcon Filtration Division Page 15 of 27 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com DPM Installation and User Manual Darker 2 1 3 DRILL TAP MODULE MOUNTING HOLES Once the installation location has been selected for the DPM Module mark the location of the mounting holes using the 1 1 template on the back page example template below Drill tap the holes as follows If itis intended to tap the mounting holes a typical tap size would be 1 4 20 UNC or M6X1 f it is intended to drill through holes a typical drill size would be 17 64 or 6 6 mm clearance holes 217 64 6 6 CLEARANCE HLILES 1 4 20UNC or M6xl NOILVTIVLSNI c 4 33 110mm NOT TO SCALE USE MOUNTING TEMPLATE IN THE 5 5 BACK OF THE MANUAL 140mm 2 1 4 PREPARE AND INSTALL THE DPM ENCLOSURE The mounting holes for the DPM are accessible only from the inside of the enclosure therefore the following steps will need to be taken to access them e Disengage the lid of the DPM Module using the 4mm Allen key provided e
25. hts in the manufacture use or disposition of any goods supplied hereunder provided Buyer shall promptly notify Seller of any suit instituted against it and to the full extent of its ability to do so shall permit Seller to defend the same or make settlement in respect thereto In the event the goods furnished hereunder are produced under special specifications of Buyer no liability under this paragraph shall arise against Seller In like manner Buyer agrees to save Seller harmless from patent infringements resulting from Seller s compliance with designs and or specifications not originating with Seller now or hereafter forming a part of this Agreement or with specific written instructions given by Buyer for the purpose of directing the manner in which Seller shall perform this Agreement USE OF PRODUCTS Seller grants no license or right expressly or by implication estoppel or otherwise beyond the right of the Buyer to use the specified goods in the form delivered by Seller Further Seller s products are offered for sale and are sold subject in every case to the condition that such sale does not convey any license expressly or by implication estoppel or otherwise under any patent claim with respect to which Seller could grant licenses covering any other product or any completed equipment or any assembly piping spool circuit combination method or process in which or in the manufacturing or testing of which any such Seller products are used
26. n the label located on the lid of the unit Not listed Contact Velcon Filtration Division Toll Free 800 531 0180 Parker Hannifin Corporation Velcon Filtration Division 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com Page 24 of 27 DNILOOHS 3ia4nO8ul Revision 3 0 DPM Installation and User Manual Terms and Conditions On Manufactured Products EXCLUSIVE LIMITED WARRANTY THE PRODUCTS SOLD HEREUNDER SHALL BE OF A MERCHANTABLE QUALITY AND SHALL CONFORM TO SELLER S CURRENT STANDARD SPECIFICATIONS OR SUCH OTHER SPECIFICATIONS AS SHALL HAVE BEEN MADE EXPRESSLY A PART OF THIS CONTRACT SELLER MAKES NO OTHER WARRANTY EXPRESS OR IMPLIED OF FITNESS FOR A PARTICULAR USE PURPOSE OR OTHERWISE WHETHER USED SINGLY OR IN COMBINATION WITH OTHER PRODUCTS OR IN ANY PROCESS LIMITATION OF LIABLITIY Defective or nonconforming products shall be repaired or replaced by Seller without additional charge or in lieu thereof at Seller s option Seller may refund the purchase price upon return of the products at Seller s expense NOTWITHSTANDING THE ABOVE AND REGARDLESS OF THE CIRCUMSTANCES SELLER S TOTAL LIABILITY TO BUYER FOR ANY AND ALL CLAIMS LOSSES OR DAMAGES ARISING OUT OF ANY CAUSE WHATSOEVER WHETHER BASED IN CONTRACT NEGLIGENCE OR OTHER TORT STRICT LIABILITY BREACH OF WARRANTY OR OTHERWISE SHALL IN NO EVENT EXCEED THE PURCHASE PRICE OF THE PRODUCTS IN RESPECT TO WHICH SUCH CAUSE A
27. ososesesesesesesesesesesesee 5 Deadmoan SWIA Relay 6 Mechanical Requirements eseeoeoeososososososososososososcsososososososososososososososososososososososososesosesesee 6 Overall Dimens IONS 7 Safety Conventions siririn snenia naan Na EET EENE EET 8 Operating PreCOUHONS eE OEE EE Eea 8 Package aP 9 WSOC CU SIMON E 9 system reguUremerntS seisin 10 2 1 DPM Module Mounting INStructions ccscccccccsccsccccsccsccecsccsccecsccsccecscceccecssceccecscceccecesceccscess 13 2L TOO INCCUC Ol x 13 2 1 2 Determine Module Installation Location eeeeeseesessseeseeee ennemis 13 2 1 3 Drill Tap Module Mounting Holes eese nennen a nnns 16 2 1 4 Prepare and Install th DPM EnCcIOSUVIG s cvs soos eu esas oe a ea 16 21 5 ROBUS os Dit radii 17 2 1 6 Determine Proper Power and Sensor 18 2 1 8 Make Final Wiring Connections 19 218 TeSt FUNCHONA 21 AMMO el ON 22 3 2 S IERI TL THI p n 23 4 IROUBLESHOOTINQ
28. provide component or system options based upon data or specifications provided by the user the user is responsible for determining that such data and specifications are suitable and sufficient for all applications and reasonably foreseeable uses of the components or systems NOILV83dO DNILOOHS 719 531 5855 Toll Free 800 531 0180 Fax 719 531 5690 vfsales velcon com www velcon com Parker Hannifin Corporation Velcon Filtration Division 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com DPM Installation and User Manual Parker F TABLE OF CONTENTS 1 GENERAL DESCRIP HON wcisitescevinacstancneccvanscwas sanandessawavdgecawatesesanesessenecetsnsaseensnne t 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 Visual Outputs IndicatorS 000000000000000000000000s00sso0seoseesseossoossossesseossooseosecoseossooseosseoseosseoseesse 5 TYIOGOIS TOT DT ETT 5 1 2 1 Critical Alarm Red INDICATOR LIGHT eeeseeeeeen ennemi nennen nnn nnns 5 1 2 2 Keyed Reset Override Momentary Switch eese nenne nennen nennen 5 l or t T 5 Safety Compliance 0000000000000000000000000200s000seoseossooseosseoseosseossosssoseosseoseosseoseesseossooseosseossosseo 5 Electrical Input Requirements eseseseseseseseseseseseseseseseseseseseseseseseseseseseseses
29. r a waiver by Seller of any subsequent default by the Buyer in performance of or a waiver by Seller of any subsequent default by the Buyer in performance of or compliance with any of the terms of this Agreement Parker Hannifin Corporation Velcon Filtration Division Page 26 of 27 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com Revision 3 0 DPM Installation and User Manual ASSIGNMENT Buyer may not assign this Agreement or any portion thereof without the express prior written consent of Seller Subject always to the foregoing this Agreement insures to the benefit of and is binding upon the heirs legatees personal representatives successors and assigns of the parties hereto in no event shall assignment relieve Buyer of liability for performance of the obligations imposed by this Agreement ENTIRE AGREEMENT This Agreement shall constitute the entire understanding of the parties with reference to the subject matter hereof and it is agreed that there are no understandings promises representations or agreements whether oral or written heretofore entered into between Seller and Buyer which have any force or effect This Agreement may be amended only by a writing signed by the parties No agent employee or representative of Seller has any authority to bind Seller to any affirmation promise or representation or warrant concerning the goods and any such affirmation promise representation or w
30. re has come loose or broken off from DPM computer module wiring harness The system differential pressure remains at 22 psid or above The system has not been reset using the RESET key switch following the systems return to normal pressure Wire has disengaged from RESET switch The deadman switch is not connected in a proper loop configuration with the DPM s wire connection board Deadman wire has come loose or broken off Pressure transducer s not outputting the correct voltage current Pressure transducer s with a range other than what the DPM was originally calibrated for are being used Pressure transducer s with an output other than what the DPM was originally calibrated for are being used Check power to the DPM unit inspect all wiring and terminal blocks Check and remedy the condition that is causing the high pressure 22 psid or above condition Check all wiring connections to RESET switch Alert the appropriate supervisor to reset the unit Verify that the deadman switch is connected in a loop configuration with the wire connection board as shown in Section 2 1 8 Verify that all wiring is sound and that there are no frayed or loose connections Check the pressure transducer output as shown in Section 2 1 9 and verify that the proper voltage current is being input to the DPM connection board Verify that the sensor s being used with the unit match the output and pressure range indicated o
31. rposes of system test See Section 2 1 9 1 3 WEIGHT 3 55 Ibs 1 61 Kg DPM Module Only 1 4 SAFETY COMPLIANCE e 65 e NEMA 4X e ATEX Directive Class 1 Zone 2 Group EU IEC Ex nA opis IIA T5 Gc C 2113 G 1 5 ELECTRICAL INPUT REQUIREMENTS e Power 12 24VDC only 300mA minimum e Pressure input signals Parker Hannifin Corporation Velcon Filtration Division 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com DPM Installation and User Manual parker F Two single ended 4 20mA transducers regardless of pressure range One differential 4 20mA transducer regardless of pressure range One differential 0 5V transducer regardless of pressure range Piston type gage equipped with a 0 5V electrical output regardless of pressure range Piston type gage equipped with a 5V electrical limit switch calibrated for 22psid O O COLO 9 1 6 DEADMAN SWITCH RELAY 0 250VAC or 5A 30VDC max 1 7 MECHANICAL REQUIREMENTS e Mounting plate preferably out of direct sunlight and weather but not necessary e Mounting hole pattern 4 33 110 mm X 5 51 140 mm See the last page of this manual for the tear out scaled template Parker Hannifin Corporation Velcon Filtration Division 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com DPM Installation and User Manual parker 1 8 OVERALL DIMENSIONS E 160
32. shutdown occurs the red indicator on the face of the unit will illuminate NOTE The DPM has a built in 4 second delay designed to compensate for sensor output bounce Therefore the differential pressure must have reached or exceeded a value of 22 psid for a consecutive period of 4 seconds before a Critical Warning and lockout condition will occur Critical Alert overrides When a Critical Alert has been activated the alert status will remain activated until a supervisor resets the unit using the key switch even if powering down and repowering the unit A critical alert can be deactivated ONLY after system pressure drops below 22 psid NOIIV3dO Under normal operating conditions the deadman control is tied to the DPM so that when a Critical condition is encountered the fueling operation is immediately ceased and a supervisor must be alerted Parker Hannifin Corporation Velcon Filtration Division Page 23 of 27 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com DPM Installation and User Manual Parker F 4 TROUBLESHOOTING Possible Cause Recommended Fix Unit does not power up Critical indicator Red will not turn off and deadman will not disengage Deadman does not shut down flow Flow shuts down at a pressure other than 22 psid Power not connected Vehicle power not engaged Wire harness terminal block not plugged in to Wiring Board Power wi
33. up to 80 of the value of the original order Parker Hannifin Corporation Velcon Filtration Division Page 25 of 27 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com Revision 3 0 DPM Installation and User Manual Velcon EXCUSABLE DELAYS Seller shall not be liable for damages for delays in performance due to circumstances beyond its reasonable control including with limiting the generality of the foregoing any priority system established by any agency of the United States Government fires floods storms and other Acts of God accidents strikes insurrections war acts of terrorism shortage of materials lack of transportation and failure of performance of subcontractors and or suppliers for similar reasons Failure of Seller to perform for these reasons aforesaid shall not be grounds for Buyer s cancellation of its order but the delivery date shall be extended accordingly Buyer s acceptance of late delivery goods shall constitute complete and satisfactory performance by Seller PATENT INDEMNITY If the goods furnished hereunder are specified in this Agreement as being standard commercial supplies of Seller Seller agrees to indemnify Buyer its successors assigns agents and use of its products against loss damage or liability including cost and expenses which may be incurred on account of any suit claim judgment or demand involving infringement or alleged infringement of any patent rig
34. ure of gases vapors mists or air dust mixtures Fuel Compatibility The following table lists the compatibility of the DPM with common fuels Motor Gasoline or Petrol NOT Compatible Parker Hannifin Corporation Velcon Filtration Division 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com DPM Installation and User Manual 1 11 PACKAGE CONTENTS 1 11 1 INSPECT SHIPMENT Upon receipt of your DPM unit and before continuing carefully remove and inspect the contents of the carton for damage or missing components If any damage is visible or components are missing from the carton contact Velcon Filters immediately for disposition Each DPM unit carton Should contain the following core components Parker Hannifin Corporation Velcon Filtration Division 1210 Garden of the Gods Road Colorado Springs Colorado 80907 USA www velcon com DPM Installation and User Manual parker TF The DPM system should consist of the following core components DPM Processing Unit Installation and Operation Manual 1 4mm Allen Wrench Key Cable Gland Plug Reset and Override Key Based on your purchase order additional optional components may be included with the above core components These may include Quantity Description Differential Pressure Transducer Paired Pressure Transducers 1 12 SYSTEM REQUIREMENTS Because the DPM is used as a refueling system
35. uyer upon delivery to carrier at such point and packaging will be accomplished in accordance with Seller s standard commercial practice for domestic shipments Seller may ship goods to the Buyer s place of business by such means as Seller shall select if adequate shipping instructions are not received from Buyer within sixty 60 days before the shipment date Buyer accepts all risk of loss or damage thereto upon delivery of goods by Seller to a carrier shipper forwarding agent transporter or Government mail box or post office whether selected by Buyer or Seller In no event shall Seller be responsible for any goods after delivery to such shipping means PAYMENTS On open accounts terms of payment are net thirty 30 days from date of invoice unless otherwise agreed to in writing Buyer agrees to pay Seller s finance charges 10 per annum for late payments and any expenses in collecting such unpaid balance and finance charges or in recovering possession of the goods On all other accounts payments are FOB factory ACCEPTANCE Buyer shall inspect all goods immediately upon their delivery to the destination stated in the Agreement and shall within ten 10 days provide written notice to Seller at its principal place of business of any claim that the goods do not conform to the terms of the Agreement Any such notice shall specify with particularity each alleged defect or nonconformity If Buyer shall fail to give such timely notice the goods sh
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