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Wayne Dresser Vista 1 Series, Service Manual

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Wayne Dresser Vista 1 Series Service Manual Download Page 61

51

February 1997

Part No. 920160 Rev A

TABLE 6-26.  FAULT CODE 51. 

Probable Cause

Corrective Action

Blend ratio error exceeded programmed 
limits.

Programming Option 52 should be set at 2% and Option 53 
should be set at 1.2 gallons. Reset if necessary.

1.

Flow restricted on one end grade.

Observe the low and high meters while dispensing to deter-
mine which grade is restricted. Verify any blend inaccuracy 
using electronic totals. Check all valves and flow tubing for 
obstructions. Clean strainer and change filter.

2.

Defective  solenoid drive board.

Check that the DS1 LED on the drive board stays lit during 
the sale and the DS2 LED blinks about every two seconds. If 
either of these conditions fails, replace the Solenoid Drive 
Board.

3.

Faulty wire harness connected to coil.

Check the wire harness connections to the valve coil wires 
and the harness into J3 on the solenoid drive board. Verify the 
voltage to the valve coils at 24 VDC when enabled. Replace 
wire harness as necessary.

4.

Defective proportional flow control valve.

Replace proportional flow control valve.

5.

Defective computer.

Replace computer assembly.

TABLE 6-27.  FAULT CODE 54. 

Probable Cause

Corrective Action

(Blender Only) Communication failure 
between computer and blender 
solenoid drive board.

1.

Defective Solenoid Drive Board.

Cycle power to dispenser.  Replace solenoid drive board if 
error continues to occur.

2.

Defective Computer assembly.

Replace computer assembly.

Summary of Contents for Dresser Vista 1 Series

Page 1: ...1 Vista Series Blending and Non Blending Remote Dispensers SERVICE ...

Page 2: ...icing the dispenser Be sure to trip close the emergency valve s under the dispenser BEFORE beginning maintenance EQUIPMENT PRECAUTIONS Be sure to bleed all air from product lines of remote dispensers and prime suction pumps before dispensing product Always use the approved method for lifting the dispenser Never lift by the nozzle sheet metal valance etc HOW TO CONTACT WAYNE Technical assistance is...

Page 3: ...February 1997 Part No 920160 Rev A 1 Vista Series Blending and Non Blending Remote Dispensers Service Manual ...

Page 4: ...Part No 920160 Rev A February 1997 ...

Page 5: ...ault Reporting 18 3 6 Intrinsic Safe Barrier Assembly 22 3 7 Pulser Assembly 24 3 7 1 Photocoupler 24 3 7 2 Pulser Disc 24 3 8 Proportional Flow Control Valve 26 4 MECHANICAL PARTS 27 4 1 Nozzle Boot Proximity Reed Switch Style Boot 27 4 1 1 Lift to Start Version 27 4 1 2 Push to Start Version 27 5 HYDRAULIC PARTS 29 5 1 Strainer and Filter 29 5 1 1 Strainer 29 5 1 2 Filter 29 5 2 Two Stage Soleno...

Page 6: ...ers Only 69 7 2 2 Diaphragm Valve Replacement Non Blenders Only 70 7 2 3 Actuator Replacement Non Blenders Only 70 7 2 4 Meter 71 7 2 5 Proportional Flow Control Valve Replacement Blenders Only 71 7 2 6 Check and Pressure Relief Valve Replacement 71 APPENDIX A TROUBLESHOOTING FLOWCHARTS 73 APPENDIX B SERVICE INFORMATION AND CONNECTOR PIN OUTS 101 B 1 Dispenser Electronic Module DEM 102 APPENDIX C ...

Page 7: ...7 8 Nozzle Boot Assembly Lift to Start 66 Figure 7 9 Nozzle Boot Assembly Push to Start 67 Figure A 1 Fault Code 01 74 Figure A 2 Fault Code 02 75 Figure A 3 Fault Code 03 76 Figure A 4 Fault Code 04 77 Figure A 5 Fault Code 05 or 20 78 Figure A 6 Fault Code 06 79 Figure A 7 Fault Code 08 80 Figure A 8 Fault Code 09 81 Figure A 9 Fault Code 10 or 21 82 Figure A 10 Fault Code 11 83 Figure A 11 Faul...

Page 8: ...nnections to Lighted Cash Credit Interface Board J6 116 Figure B 17 Pinout Connections to Lighted Cash Credit Interface Board J7 116 Figure B 18 Pinout Connections to Lighted Cash Credit Interface Board J10 117 Figure B 19 Pinout Connections to Lighted Cash Credit Interface Board J5 117 Figure B 20 ISB Assembly Connection Pinouts for MGD 118 Figure B 21 ISB Assembly Connection Pinouts for Blender ...

Page 9: ...able 6 20 Fault Code 11 49 Table 6 21 Fault Code 12 49 Table 6 22 Fault Code 13 49 Table 6 23 Fault Code 14 15 or 16 50 Table 6 24 Fault Code 30 50 Table 6 25 Fault Code 31 50 Table 6 26 Fault Code 51 51 Table 6 27 Fault Code 54 51 Table B 1 ISB Assembly Connection Pinouts for MGD 119 Table B 2 ISB Assembly Connection Pinouts for Blender except X1 V590 6 Hose 121 Table B 3 ISB Assembly Connection ...

Page 10: ...viii Part No 920160 Rev A February 1997 ...

Page 11: ...pport 1 800 926 3737 Austin TX 24 hours 7 days Northeast Regional 410 546 6750 Service Office 8 30AM 5 00 PM Eastern Salisbury MD Southeast Regional 770 988 3362 Service Office 8 30AM 5 00PM Eastern Atlanta GA North Central Regional 312 693 7404 Service Office 8 30AM 5 00PM Central Chicago IL South Central Regional 713 987 5442 Service Office 8 30AM 5 00PM Central Houston TX Southwest Regional 714...

Page 12: ...2 Part No 920160 Rev A February 1997 ...

Page 13: ...nergized just prior to the final shut off amount The slow valve coil is then de energized when the final amount is reached When the lever is lowered the nozzle switch goes back to the constant 5 VDC the sale is complete and the nozzle is returned to the nozzle boot 2 1 2 Push to Start Models When the nozzle is removed from the nozzle boot the constant 5 VDC that the computer supplies to the nozzle...

Page 14: ...r receives an Authorization signal either from the control system or from the Authorize switch in the dispenser the correct submersible pump relay will be energized The computer performs a self test and flashes eights blanks then resets to zeros on the main sale display After the dispenser resets the proportional flow control valve s is energized with just enough current to barely open the valve s...

Page 15: ...ly Setting Unit Prices The following procedures need not be used if the dispenser is connected to a control system Refer to the operating procedures provided with the control system for a complete description of unit price setting The operating levers must be OFF to set unit prices The Position Select push button selects the position for which the unit price is to be changed The Price Jog push but...

Page 16: ...1 FUNCTION SWITCHES AND DISPLAY LOCATIONS NON BLENDER SHOWN Always lock the access door after using the function switches FIGURE 2 2 UNIT PRICE DISPLAY The first closure of the Price Jog push button causes the least significant digit or tenths of cents position of the unit price to cycle ...

Page 17: ...ns Cash Price Position BL Fifth Closure Credit Price Position LO Sixth Closure Cash Price Position LO Seventh Closure Original Sale Display Returns TABLE 2 2 UNIT PRICE SWITCH CLOSURE DEFINITIONS NON BLENDERS Position Select Switch Closure Position Selected Single Price Posting Dispenser Position Selected Cash Credit Type Dispensers First Closure Unit price position X Credit unit price position X ...

Page 18: ... fueling point must be assigned an individual I D number A fueling point is defined as any location at which a customer can stop and dispense fuel In general each Duplex II Computer in a dispenser represents two fueling points The fueling point number is set as follows The Position Select push button is used to enter the fueling point setting mode The Totals push button sets the fueling point numb...

Page 19: ... blending dispensers 1 V models whether it s a proportional or fixed ratio blender the LO and HI product hydraulic systems each contain a proportional flow control valve When any grade LO HI or blend is selected the blend ratio programmed into the dispensers computer determines the percentage or proportion of HI product to be dispensed When the LO grade product is selected the proportion or percen...

Page 20: ...to be dispensed through the nozzle Computer and Solenoid Drive Hi Product Meter Electrical Connections Mechanical Drive Hydraulic Tubing LINE STYLE DEFINITIONS Nozzle TD00318 A Hose Outlet Where Mixing Actually Takes Place Lo Product Proportional Flow Control Valve Hi Product Proportional Flow Control Valve Lo Product Meter Hi Pulser Lo Pulser Hi Product Inlet Lo Product Inlet Feedstock Feedstock ...

Page 21: ...eter Hi Product Inlet Lo Product Inlet Electrical Connections Mechanical Drive Hydraulic Tubing LINE STYLE DEFINITIONS Blend Product TD00319 A Lo Product Proportional Flow Control Valve Hi Product Proportional Flow Control Valve Feedstock Feedstock Lo Product Meter Lo Product Hi Product Where mixing actually takes place for blended product Outlet Valves Hose Outlets Hoses and Nozzles Hi Pulser Lo ...

Page 22: ...12 Part No 920160 Rev A February 1997 ...

Page 23: ...eplaceable fluorescent lamps to improve their visibility in low lighting conditions The LCD s are soldered to their printed circuit boards therefore they are not replaceable in the field The display board receives its data from the computer assembly The decoding circuits and the drivers for the LCD s are located on the display board 3 2 LIGHTED CASH CREDIT INTERFACE BOARD The lighted cash credit i...

Page 24: ...s to operated the proportional flow control valves Located on the solenoid drive board is a fuse F1 This fuse controls all AC voltage supplied to the solenoid drive board If the fuse opens the dispenser will reset but the AC valves and relays will not be energized Blender solenoid drive boards have two additional protection devices PF1 and PF2 These are poly fuses that supply 24VDC power to the pr...

Page 25: ...f from overvoltages and shorts There are two fuses on the computer F1 fuses the input to the 5 VDC regulator on the computer board If this fuse opens the dispenser will look like it has been powered down F3 fuses the main AC input to the computer all power to the computer solenoid drive board and the displays passes through the F3 fuse If this fuse opens the dispenser will look as if it has been p...

Page 26: ...ct Side 2 J3 Nozzle and Pulser Control Side 1 1 V490 ONLY J4 Nozzle and Pulser Control Side 2 1 V490 ONLY FUSES F1 Solenoid Valves and Relay Selects COMPUTER CONNECTOR DESCRIPTIONS J1 Data Loop Both Sides J3 AC Input J4 Displays Side 1 J5 Displays Side 2 J6 Provides For RAM Clear J8 Not Shown AC Output to Solenoid Drive Board J9 Pulser Control Side 1 J10 Pulser Control Side 2 J11 Nozzle Switches B...

Page 27: ...F2 Porportional Valves 24 VDC COMPUTER CONNECTOR DESCRIPTIONS J1 Data Loop Both Sides J3 AC Input J4 Displays Side 1 J5 Displays Side 2 J6 Provides For RAM Clear J8 Not Shown AC Output to Solenoid Drive Board J9 Nozzle Switch and Pulser Control Side 1 J10 Nozzle Switch and Pulser Control Side 2 J11 Nozzle Switches Both Sides J13 Annunciator Connection Side 1 J14 Annunciator Connection Side 2 JP1 J...

Page 28: ...power cycle will continue to be displayed until the problem which caused them is remedied Error and Hydraulic codes are displayed every time the affected portion of the dispenser is restarted by removing the nozzle from the nozzle boot and lifting a lever or by pressing a start grade select or cash credit switch The format of the displayed fault codes is shown in Figure 3 3 Figure 3 4 and Figure 3...

Page 29: ...penser s computer since the last RAM clear not 16 per side but 16 total for that computer In order to reset the dispenser after an Error or Hydraulic fault the initial problem must be corrected and power to the computer cycled or Option 99 is entered Until these conditions are satisfied the fault code will continue to be displayed at the end of the reset cycle FIGURE 3 3 FAULT CODE DISPLAY The fau...

Page 30: ...f the dispenser is shown in the Money Display and the transaction number for Side 2 is shown in the Volume Display FIGURE 3 5 MAIN SALE DISPLAY SHOWING TRANSACTION COUNTER AND FAULT CODE In this example Fault Code 05 occurred on transaction number 00833 on side 1 of the dispenser MAIN SALE DISPLAY TD00363 A Money Volume MAIN SALE DISPLAY TD00364 A Money Volume ...

Page 31: ...it 08 1 2 3 Time out limit has been exceeded 09 1 5 consecutive no pulse timeouts 10 1 2 3 Reverse pulse limit has been exceeded 11 1 Corrupted option data The pump will not restart until Option 99 is set to 03 Cycling power will not reset this error 12 3 Corrupted totals data the totals were reset to zero 13 3 Corrupted unit price data the unit prices were reset to zero 14 1 2 3 Forward pulses fr...

Page 32: ...auses the nozzle signal on the computer base to go from a 5 VDC potential to zero or ground potential which alerts the microprocessor to begin a new sale if the dispenser has been authorized and the push to start cash credit or grade select switch has been pressed In addition to the nozzle switch circuits the pulser selects are also protected by the ISB assembly The ISB circuit board see Figure 3 ...

Page 33: ...ARRIER ASSEMBLY continued FIGURE 3 6 INTRINSIC SAFE BARRIER ASSEMBLY The ISB ground connection shown must be made directly to the dispenser chassis The components of this assembly are not separately replaceable If failure occurs replace the whole ISB assembly ...

Page 34: ... Figure 3 7 shows how the photocoupler is wired for non blending dispensers Blending dispensers combine two products to attain a mix with the desired octane This requires two photocouplers one for each grade to operate at the same time In these dispensers the LEDs in each photocoupler are wired in series Because of this a problem in one of the photocouplers can cause symp toms to appear on the oth...

Page 35: ... NON BLENDING PHOTOCOUPLER INTERNAL WIRING The computer must receive the pulses in an alternating sequence i e Pulse A Pulse B A B A B to determine correct operation FIGURE 3 8 BLENDING PHOTOCOUPLER INTERNAL WIRING In a blending dispenser two photocou plers operate simultaneously ...

Page 36: ...n amount proportional to the amount of current sent to the valve coil As the pilot raises off its seat it reduces the pressure to the back side of the diaphragm causing it to lift off of its seat as well The same applies to the valve closing the diaphragm follows the pilot back to the closed position as the current to the coil is reduced The computer continually adjusts the current to the valves d...

Page 37: ...dicated by the unit price displays of the unselected products going OFF or displaying dashes 2 Lower the Lift to Start lever to the down position and check that the switch turns OFF An OFF switch is indicated by the unit price displays of the unse lected products coming back ON 4 1 2 Push to Start Version The nozzle boot switch assembly see Figure 7 9 consists of a proximity reed switch attached t...

Page 38: ...28 Part No 920160 Rev A February 1997 ...

Page 39: ... be necessary to clean the strainer screen two or three times the first few days of operation to remove debris and pipe dope After this occasional cleaning of the strainer is all that should be required The fuel filter should be changed whenever the strainer is cleaned The strainer is removed for cleaning by unfastening the cap Place a container under the cap to catch the product and sediment Wash...

Page 40: ...ree main parts The diaphragm valve The actuator The actuator coils The diaphragm valve is the main flow valve It controls the full flow through the dispenser The actuator is an electrically operated solenoid valve It controls the diaphragm valve by switching the diaphragm into and out of full flow and allowing a slower bypass flow around the diaphragm The actuator coils control the actuator itself...

Page 41: ...the slow flow poppet 8 to be pulled off of its seat exposing a path 4 to the outlet The flow through this path is so slow that the pressure in the outer chamber B is not reduced significantly Therefore the diaphragm remains in the closed position 5 2 3 Flow Control Valve On Full Flow Flow control valve On full flow see Figure 5 3 occurs during the main portion of all sales At this time both the sl...

Page 42: ...harged but there is no flow required from the particular valve INLET OUTLET Indicates High Pressure A A TD00349 A 1 Actuator 2 Passageway from inlet chamber to outer chamber 3 Passageway to the actuator inlet from the outer chamber 4 Actuator outlet 5 Diaphragm material 6 Cover 7 Body 8 Slow flow poppet 9 Full flow poppet 10 Diaphragm return spring LEGEND A Inlet chamber B Outer chamber 1 2 3 4 6 ...

Page 43: ... all sales and again at the end of preset sales INLET OUTLET Indicates High Pressure A A TD00350 A 1 Actuator 2 Passageway from inlet chamber to outer chamber 3 Passageway to the actuator inlet from the outer chamber 4 Actuator outlet 5 Diaphragm material 6 Cover 7 Body 8 Slow flow poppet 9 Full flow poppet 10 Diaphragm return spring LEGEND A Inlet chamber B Outer chamber 1 2 3 4 6 5 7 8 9 10 B ...

Page 44: ...ng the main portion of all sales INLET OUTLET Indicates High Pressure A A TD00351 A 1 Actuator 2 Passageway from inlet chamber to outer chamber 3 Passageway to the actuator inlet from the outer chamber 4 Actuator outlet 5 Diaphragm material 6 Cover 7 Body 8 Slow flow poppet 9 Full flow poppet 10 Diaphragm return spring LEGEND A Inlet chamber B Outer chamber 1 2 3 4 6 5 7 8 9 10 B ...

Page 45: ...OVER AND CENTER CHAMBER REMOVED Cutaway as seen facing the valve cover OUTLET PORT A A A INLET OUTLET 2 3 Indicates Part of Casting TD00352 A 2 Passageway from inlet chamber to outer chamber 3 Passageway to the actuator inlet from the outer chamber A Inlet chamber Note Item numbers 2 3 and letter A are discussed in the text LEGEND ...

Page 46: ...l As the pilot raises off its seat it reduces the pressure to the back side of the diaphragm causing it to lift off of its seat as well The same applies to the valve closing the diaphragm follows the pilot back to the closed position as the current to the coil is reduced The computer continually adjusts the current to the valves during a sale based on the desired blend ratio of the two feedstocks ...

Page 47: ...tional valve is an electrically operated solenoid made up of a body and an oper ator It controls all flow through the dispenser The valve coil controls the operator of the valve The coil is energized with a pulse width modulated PWM signal that sends discrete bursts of current at a set frequency level When the coil receives this signal the pilot inside the operator reacts to the changing magnetic ...

Page 48: ...the proper amount of flow When the delivery is complete the coil is de energized allowing the pilot to return to its closed position This allows pressure to build on the back side of the diaphragm forcing it to close and seal the outlet port thereby stopping flow 5 4 METER The meter is in effect a three cylinder motor using cylinders B and C and chamber D as the three cylinders see Figure 5 6 Beca...

Page 49: ...rection viewing the knob from the top of the meter The lower portion of the knob is hexagonal and in a normal position the portion of the knob is inserted in the output shaft assembly There are 18 vertical notches within the shaft therefore as the adjustment is made the knob can be felt to click over the leading edge of the notches Each notch is equivalent to a correction of approximately one cubi...

Page 50: ...40 Part No 920160 Rev A February 1997 FIGURE 5 7 METER ADJUSTMENT Before placing the dispenser in operation the meter must be checked and adjusted if required ...

Page 51: ...3 Locate connector J6 and bridge jumper pins 3 5 Use jumper part number 129930 Pin 1 of J6 is located closest to the center of the board 4 Apply power to the board by re installing connector J3 The unit price display will show OP01 to indicate the option programming mode has been entered and Option 01 has been selected 5 Press the Price Jog push button to go to Option 97 where the sale money displ...

Page 52: ...able Cause Corrective Action 1 Defective display assembly Replace the faulty display assembly 2 Defective data cable Replace data cable 3 Defective computer Replace computer assembly TABLE 6 3 UNIT PRICE DISPLAYING 0 000 Probable Cause Corrective Action 1 Control system unit price set at 0 000 Set correct unit price in control system Refer to the control system operation manual 2 Unit price not se...

Page 53: ...r assembly 5 Defective display board or cable Replace display board or cable to J1 on display board TABLE 6 6 UNIT WILL NOT RESPOND TO AN INDIVIDUAL FUNCTION SWITCH Probable Cause Corrective Action 1 Defective Switch Check for 5VDC OFF zero volts ON replace switch if volt age is constant at either 5 or 0 volts 2 Defective wiring to switch Check all wiring to defective function switch TABLE 6 7 COM...

Page 54: ...6 9 COMPUTER RESETS BUT DOES NOT DISPENSE PRODUCT Probable Cause Corrective Action 1 F1 on Solenoid drive board Replace if it is open 2 Non Blenders Solenoid drive board or Computer Assembly defective Check for 110 VAC output Blenders Check for 24VDC output from solenoid drive board All dispensers Also see Table 6 8 Non Blenders replace solenoid drive board if there is no 110 volt output Blenders ...

Page 55: ... 11 FAULT CODE 01 Probable Cause Corrective Action Push to start switch open or cash credit switch shorted 1 Defective push to start or cash credit switch assembly Check the switch assembly and replace as necessary See Table 6 7 item 4 2 Defective switch wiring Check wiring harness and connectors between the suspect switch assembly to the lighted cash credit interface board Replace the wiring as n...

Page 56: ...110VAC output 24VDC for blenders to valve s with handle off If 110VAC 24VDC for blenders is present replace solenoid drive board 2 Debris in diaphragm valve actuator or proportional flow control valve Check clean all valves 3 Defective diaphragm valve non blender only Install diaphragm service kit 4 Defective actuator non blender only Replace actuator 5 Defective computer Replace computer assembly...

Page 57: ...uipped with Wayne Vac see correc tive action otherwise proceed with probable cause Pulse Jitter Check LED on Wayne Vac Control board LED should flash at power up and go OFF If blinking see Wayne Vac service manual part number 920023 for corrective action If OFF proceed with probable cause Pulse Jitter Pulser jitter 1 Cracked or broken disc Replace pulser disc 2 Defective photocoupler Test photocou...

Page 58: ...onal error No pulse time out limit exceeded The dispenser was turned on but no product was dispensed for more than the programmed time limit see programming manual part number 920205 Option 12 TABLE 6 18 FAULT CODE 09 A Probable Cause Corrective Action There were Fault Code 08 errors on five consecutive sales 1 Operational error If the dispenser presently transitions to fast flow and displays volu...

Page 59: ...n Blender only Replace the actuator TABLE 6 20 FAULT CODE 11 Probable Cause Corrective Action Corrupted option programming 1 Computer found scrambled data in option programming Check all option programming and set Option 99 to Data 03 to clear error Cycling power will not clear this error TABLE 6 21 FAULT CODE 12 Probable Cause Corrective Action Totals data was found corrupted and reset to zero 1 ...

Page 60: ...resent the same voltage as AC or DC input replace solenoid drive board 5 Defective computer Replace computer TABLE 6 24 FAULT CODE 30 Probable Cause Corrective Action Electro mechanical totalizer and electronic totals checksum don t match 1 Totalizer fractional amounts that are stored in memory after each sale have been corrupted and reset to zero Run additional product and monitor totals 2 Comput...

Page 61: ...and the DS2 LED blinks about every two seconds If either of these conditions fails replace the Solenoid Drive Board 3 Faulty wire harness connected to coil Check the wire harness connections to the valve coil wires and the harness into J3 on the solenoid drive board Verify the voltage to the valve coils at 24 VDC when enabled Replace wire harness as necessary 4 Defective proportional flow control ...

Page 62: ...52 Part No 920160 Rev A February 1997 ...

Page 63: ...ing take care not to contact one component with another Contact between compo nents might cause damage to the circuit board coating circuit board tracks or circuit components Before replacing any components servicing personnel should wear a static guard wrist strap Dresser part number 916962 or equivalent securely attached to an earth grounding point in order to prevent damage to electronic compon...

Page 64: ...spenser put the DEM in the service position by following the instructions in Figure B 1 and Figure B 2 in Appendix B 7 1 3 Solenoid Drive Board Replacement WARNING ELECTRIC SHOCK HAZARD Even though the dispenser control power is turned off voltage may still be present at the solenoid drive board this condition will continue until both J1 and J2 connectors are removed from the solenoid drive board ...

Page 65: ...ENOID DRIVE BOARD NON BLENDER SHOWN Even though the dispenser control power is turned off voltage may still be present at the solenoid drive board This condition will continue until both J1 and J2 connectors are removed from the solenoid drive board TD00353 A Disconnect all of the wiring connectors on the solenoid drive board Remove the four 4 captive screws that secure the solenoid drive board to...

Page 66: ...r is located behind and below the consolidated display on the junction box side of the dispenser To access the computer see Figure 7 1 or solenoid drive board disengage the two quarter turn screws located above the left and right corners of the display The Dispenser Electronic Module DEM will then tilt out toward you to provide access to the internal electronic components of the dispenser 5 Discon...

Page 67: ...Dispenser Electronic Module DEM will tilt out toward you to provide access to the internal electronic components of the dispenser TD00354 A Disconnect all of the wiring connectors on the Duplex computer board Loosen the four 4 screws that secure the computer to the DEM these are captive screws and should not be removed from the DEM ...

Page 68: ...y Replacement The Intrinsic Safe Barrier circuit board is mounted to the bottom of the plastic cover see Figure 7 3 and Figure 7 4 The circuit board is not separately replaceable the complete ISB assembly the black plastic box must be replaced 1 Remove both bezels and place DEMs in Service position 2 From the dispenser junction box side unplug the connectors from the top of the ISB assembly 3 Disc...

Page 69: ...NTRINSIC SAFE BARRIER ASSEMBLY The ISB ground connection shown must be made directly to the dispenser chassis FIGURE 7 4 REPLACING THE INTRINSIC SAFE BARRIER ASSEMBLY Placing both DEMs in the service position allows for easy access to the Intrinsic Safe Barrier Assembly TD00355 A Intrinsic Safe Barrier Assembly ...

Page 70: ...ly Remove the sale display 5 Install the new display and secure it with hardware removed in Step 4 6 Reconnect the data cable s from the sale display 7 Reinstall the dial face and bezel FIGURE 7 5 REPLACING THE INTEGRATED DISPLAY BOARD Remove the dial face from the display by loosening the four screws in the corners of the dial face TD00356 A 1 Loosen the four 4 screws that secure the dial face to...

Page 71: ...m the interface board 3 Remove the screws which secure the board to the frame of the DEM 4 Remove the cash credit interface board 5 Install the new board using the hardware removed in step 3 6 Reattach all wiring harnesses to the new board 7 Replace the DEM in its original position and reinstall the bezel FIGURE 7 6 REPLACING THE LIGHTED CASH CREDIT INTERFACE BOARD When servicing this area wire ha...

Page 72: ...e to the photocoupler 3 Remove the snap pin item 2 in Figure 7 7 holding the photocoupler to the housing Pull the pulser parts up and out of the housing 4 Slip the new pulser parts into the housing Use a new snap pin to install a photocoupler 5 Reconnect the cable to the photocoupler 6 Rotate the disk through two or three revolutions to ensure that it does not contact the photocoupler 7 Replace th...

Page 73: ...63 February 1997 Part No 920160 Rev A 7 1 8 Photocoupler Pulser Disc Replacement continued FIGURE 7 7 EXPLODED VIEW PULSER ASSEMBLY The cover must be properly attached to prevent dust from entering ...

Page 74: ...ack of the boot 5 Re install nozzle boot and connect nozzle switch connector securing wires with wire tie if applicable To replace the magnet or spring see Figure 7 8 6 Disconnect the nozzle switch connector and if necessary cut the wire tie securing the switch wiring to the dispenser 7 Remove the nozzle boot by removing the 2 lower hex screws that secure the boot to the dispenser removing the noz...

Page 75: ...ce the switch actuator assy see Figure 7 9 1 If the boot is located to the right side of the dispenser proceed with Step 2 below If not go to Step 4 2 Disconnect the nozzle switch connector and if necessary cut the wire tie securing the switch wiring to the dispenser 3 Remove the nozzle boot by removing the 2 lower hex screws that secure the boot to the dispenser removing the nozzle boot collar an...

Page 76: ...66 Part No 920160 Rev A February 1997 FIGURE 7 8 NOZZLE BOOT ASSEMBLY LIFT TO START ...

Page 77: ...67 February 1997 Part No 920160 Rev A FIGURE 7 9 NOZZLE BOOT ASSEMBLY PUSH TO START ...

Page 78: ...all the new switch assembly using the hex head screws previously removed 5 Reinstall the switch assembly cover on the front of the bezel 6 Reconnect the wire harness connector and replace the bezel 7 Test for proper operation 7 1 12 Back Lit Display Lamp Replacement 1 Remove the bezel from the dispenser 2 Tilt the DEM down to its service position by disengaging the two quarter turn screws located ...

Page 79: ...r death WARNING Drain the fuel into an appropriate container and pour it into an underground tank to prevent fuel drainage under and around the dispenser Failure to do so could cause a possible fire hazard that may result in serious injury or death 7 2 1 Diaphragm Replacement Non Blenders Only 1 Remove the four 4 bolts and the diaphragm cover 2 Remove the diaphragm and discard The center section a...

Page 80: ... which secure the actuator to the diaphragm casting and remove the actuator 5 Install the actuator onto the new diaphragm casting and reinstall the diaphragm valve using the reverse procedure Be sure to install a new gasket between the diaphragm and the strainer casting and replace the o ring or gasket in kind between the valve and meter support 6 Check operation and inspect for leaks 7 2 3 Actuat...

Page 81: ...ctions to the valve In some cases it may be helpful to loosen the inlet tube at its meter support connection 3 Loosen the conduit locknuts at the vapor barrier 4 Remove valve assembly from dispenser 5 Remove conduit from existing valve coil and replace in new valve assembly 6 Install new valve assembly in dispenser using the reverse procedure Be sure to use new plastic flare washers in the valve p...

Page 82: ...eal o rings the larger o ring on the inlet and the smaller o ring on the outlet 4 Remove the check pressure relief valve 5 Install the new valve and replace the o rings with new ones Note Do not pinch the o rings against the meter support 6 Install the meter to the meter support using the four 4 bolts removed in Step 1 above ...

Page 83: ...73 February 1997 Part No 920160 Rev A APPENDIX A TROUBLESHOOTING FLOWCHARTS ...

Page 84: ...er Does the switch check good Check with voltmeter the lighted cash credit interface board and the wire harness connectors between the board and the switch assy SeeAppx B pinout info END YES NO FC OO104 A Is the problem corrected Replace the computer assembly Replace the wire harness or the lighted cash credit interface board as necessary Replace membrane switch assembly Does the harness and cash ...

Page 85: ...r to check the cash credit interface board wire harness between board membrane switch assy See Appx B pinout info Replace the wiring harness Is the problem corrected Replace the lighted cash credit interface board Is the problem corrected Replace the computer YES NO YES NO END FC 00105 A Does the harness cash credit board check good NO YES ...

Page 86: ...pen Is 110VAC or 24VDC blender only present when it should not be Check diaphragm or porportional valve blender only for leaks or debris holding it open Replace or clean as necessary Replace the two stage actuator non blender only Is the problem corrected Replace the computer END Replace the solenoid drive board YES YES NO NO FC 00111 A Is the problem corrected YES NO ...

Page 87: ...bruary 1997 Part No 920160 Rev A FIGURE A 4 FAULT CODE 04 04 fault code ROM error Does the error reoccur Replace computer END NO YES FC 00112 A Computer found defective ROM chip during self test Clear erroo ...

Page 88: ...replace housing if cracked If problem reoccurs replace photocoupler 2 YES NO NO YES YES NO YES NO FC 00106 A R e p a i r R e p a c e w i r i n g o r r e p l a c e I S B a s s y Is the problem corrected YES 3 3 YES NO NO 05 or 20 fault code Normally Pulse jitter but could be Wayne Vac error Is dispenser equipped with Wayne Vac YES Is LED on Wayne Vac control board flashing NO YES NO Wayne Vac error...

Page 89: ...ed a valve or relay on when it should not be Check the solenoid drive board for 110VAC or 24VDC blender only output to a valve or relay Is 110VAC or 24VDC blender only present Replace solenoid drive board Replace computer Is the problem corrected Replace computer END YES NO NO YES FC 00113 A ...

Page 90: ... FAULT CODE 08 08 fault code Time out limit exceeded See Option 12 in the Duplex II programming manual Operational error no corrective action END FC 00114 A Dispenser was turned on but no product was despensed for more than the programmed time limit ...

Page 91: ...se time out limit was exceeded on five consecutive sales Is the problem with all Grades Fault Code 09 Five consecutive 08 fault codes Replace pulser for problem Grade Hose Replace the ISB assembly END Replace the computer Operational error Verify that Option 12 is set to the appropriate time period Replace the ISB assembly Is the problem corrected No No Yes Yes FC OO100 A ...

Page 92: ...meter drive gear YES NO FC 00107 A NO YES Error occurs while dispensing blend at proportional blender While dispensing feedstock at proportional blender Ensure that both submersible pumps are operating at equal bypass pressures Correct as necessary Check for leaking flow control valves on the opposite side feedstock from that being dispensed Correct as necessary NO NO YES YES YES YES Is the proble...

Page 93: ...0 FAULT CODE 11 11 fault code Corrupted option programming Does the error reoccur Replace computer END NO YES FC 00115 A Computer found scrambled data in option programming Check all option programming and clear error by setting Option 99 to data 03 ...

Page 94: ...URE A 11 FAULT CODE 12 12 fault code Corrupted totals data Does the error reoccur Replace computer END YES FC 00116 A Computer found the totals data to be corrupted and reset the data to zero Check that sales are now being totaled correctll NO ...

Page 95: ...Rev A FIGURE A 12 FAULT CODE 13 13 fault code Corrupted unit price data Does the error reoccur Replace computer END YES FC 00117 A Computer found the unit price data to be corrupted and reset the data to zero Re enter unit pricess NO ...

Page 96: ...blender only of the unselected product indicated by the fault source in the error code display Look for leaks or debris holding it open Repair as necessary Is there 110 VAC or 24VDC blenders present YES NO Check Solenoid drive board for 110 VAC 24VDC blender only output to valves when there should be none Replace the two stage actuator non blender only Is the problem corrected YES NO Replace the c...

Page 97: ...cessary Is the problem corrected Remove the meter of the product indicasted by the Fault Sourse of the error code display Replace the check and pressure relief valve located at the meter inlet END FC 00109 A Fault code 15 and 16 illegal reverse pulse Reverse pulse received from a grade not selected Check Submersible inlet pressure If 40 psi or higher the CPR valve may be working properly It is des...

Page 98: ...AULT CODE 30 Fault Code 30 Corrupted Electro Mechanical Totalizer data Does the error continue to occur Replace computer assembly END NO YES FC 00101 A Totalizer fractional amounts stored in memory after each sale have been corrupted and reset to zero 0 ...

Page 99: ... A 16 FAULT CODE 31 Fault Code 31 Electro Mechanical Totalizer overflow Does the error continue to occur Replace computer assembly END NO YES FC 00102 A The computer missed incrementing at least one volume unit on the Electro Mechanical Totalizer ...

Page 100: ...ror exceeded programmed limits Option 52 should be set at 2 Option 53 should be set at 1 2 gallons Reset if necessary Check for flow restriction on on END grade by observing LO and HI meters Check all valves and tubing for obstructions Clear strainers and change filter Is Problem Corrected While dispensing is DS1 lit and DS2 blinking on the Solenoid Drive Board Replace Solenoid Drive Board Is Prob...

Page 101: ...y Communications failure Communications failure between the Duplex II computer and the blender solenoid drive board microprocessor Cycle power to the dispenser Does the error continue to occur Replace the Blender Solenoid Drive Board Does the error continue to occur Replace Duplex II Computer NO YES YES NO ...

Page 102: ...computer Replace if defective Is there 110VAC between pins 1 and 2 on the J3 connector Replace the display Replace the computer Is 110VAC present in junction box terminal 1 Correct station wiring Make sure control power circuit breaker is ON and power is present Repair replace defective internal dispenser wiring END YES NO YES NO FC 00121 A Is the problem corrected YES NO ...

Page 103: ... board If dispenser is not Push to Start model the board shoud be replaced since F1 does not exist NO Replace the display board Is the problem corrected Is the problem corrected Is the problem corrected YES NO Replace cash credit interface board if not replaced in step above YES Is the problem corrected Replace cable between J1 on cash credit interface board and J1 on display board Do displays app...

Page 104: ...rice jog does not Use VOM to check switch for continuity when switch is on Does the switch check good Reseat connector J6 on cash credit interface board and check continuity of wiring between J6 and switch Replace cable if defective END Replace the defective switch FC 00123 A Is the problem corrected NO YES Replace the computer assembly Replace the cash credit interface board NO YES Is the problem...

Page 105: ...nterface board Check continuity of wiring between J6 on cash credit interface board and each switch Replace cable if defective Replace the computer assembly Is the problem corrected Replace display board and or cable to J1 on display board END YES NO YES NO FC 00124 A Is the problem corrected Is the problem corrected NO YES YES Is the problem corrected NO Replace the cash credit interface board ...

Page 106: ...ol system installed Check self serve attend switch Replace if defective Is the dispenser authorized Is the dispenser communicating Check fueling point at dispenser Reset if necessary Is the problem corrected Authorize dispenser from the control system Replace the handle switch Replace the computer END Replace defective wiring harness YES NO YES NO NO YES NO YES YES NO YES NO FC 00125 A Defective P...

Page 107: ...cted NO YES YES NO NO YES YES NO Is the problem corrected NO YES C h e c k f o r 11 0 VA C o u t p u t f r o m S o l e n o i d D r i v e B d t o r e l a y s a n d A C v a l v e s i f N o n B l e n d e r o r 2 4 V D C J 3 o u t p u t t o v a l v e s i f B l e n d e r If Non Blender replace solenoid drive board If Blender replace solenoid drive board if 24VDC is present at J4 If not present check F1...

Page 108: ... Is this the only fueling point with 0 000 for unit prices Check the fueling point in this dispenser Reset if necessary Is the problem corrected Replace the computer s Ensure that the dispensers in question are not set to the same fueling point number Are all affected dispensers on the same data loop Refer to the service manual for the control system which is installed END YES NO NO YES YES NO YES...

Page 109: ...izer and dispenser product Is Electro Mechanical Totalizer Counting Replace lighted Cash Credit interface board Replace Duplex II Computer Replace Wiring Electro Mechanical Totalizer to Cash Credit board J7 or Cash Credit board J2 to Duplex II Computer J4 J5 END YES YES NO NO FC 00127 A YES NO Is Electro Mechanical Totalizer Counting Is Electro Mechanical Totalizer Counting ...

Page 110: ...100 Part No 920160 Rev A February 1997 ...

Page 111: ...101 February 1997 Part No 920160 Rev A APPENDIX B SERVICE INFORMATION AND CONNECTOR PIN OUTS ...

Page 112: ...ion you will have access to all of the electronic components in the dispenser It may or may not be necessary to remove the bezel from the rear of the dispenser to access the electronics on that side FIGURE B 1 DEM REMOVAL To move the DEM into service position preform the steps shown Disengage these two quarter turn screws by turning them counterclockwise TD00358 A LOC AUTH TOTALS SET UP JOG DCPT P...

Page 113: ...e electronic components in the dispenser Tilt the upper edge of the DEM out toward you to expose the electronic components All wiring harnesses and the components on the rear of the dispenser have been deleted for clarity TD00359 A Lighted Cash Credit Interface Board Duplex II Computer Solenoid Drive Board Porportional Valve Power Supply Blenders Only ISB ASSY ...

Page 114: ... Common Pin 1 Relay Select Nozzle X Pin 2 Fast Valve Nozzle X Pin 3 Slow Valve Nozzle X Pin 4 Relay Select Nozzle Y Pin 6 Fast Valve Nozzle Y Pin 7 Pulser Select Nozzle X Pin 9 Slow Valve Nozzle Y Pin 10 Pulser Select Nozzle Y Pin 12 Fast Valve Nozzle Z Pin 13 Pulser Select Nozzle Z Pin 14 Relay Select Nozzle Z Pin 15 Slow Valve Nozzle Z J3 Side 1 Connections Pin 1 Fast Valve Nozzle AA Pin 2 Slow ...

Page 115: ... Pin 8 Blend Nozzle Switch Pin 3 Pulse B High Product Pin 6 Pulse A High Product Pin 5 Pulse B Low Product Pin 9 Pulse A Low Product Pin 7 LED A Pin 4 LED B Pin 1 Pump Relay Low Product Pin 2 Pump Relay High Product Pin 3 Pump Relay Single Product Pin 4 Open Pin 5 Open Pin 6 Open Pin 7 AC Valve Fast Side 1 Pin 8 AC Valve Slow Side 1 Pin 9 Open Pin 10 AC Valve Fast Side 2 Pin 11 AC Valve Slow Side ...

Page 116: ...ulse B Low Product Pin 9 Pulse A Low Product Pin 7 LED A Pin 4 LED B Pin 1 Pump Relay Low Product Pin 2 Pump Relay High Product Pin 3 Open Pin 4 Open Pin 5 Open Pin 6 Open Pin 7 AC Valve 1 Side 1 Pin 8 AC Valve 2 Side 1 Pin 9 AC Valve 3 Side 1 Pin 10 AC Valve 1 Side 2 Pin 11 AC Valve 2 Side 2 Pin 12 AC Valve 3 Side 2 J3 Porportional Valve Drive Pin 1 24VDC Side 1 Pin 2 Proportional Valve High Side...

Page 117: ...1997 Part No 920160 Rev A FIGURE B 6 PINOUT CONNECTIONS TO DUPLEX COMPUTER BOARD J3 PIN 5 NO CONNECTION PIN 3 EARTH GROUND GREEN WIRE PIN 2 AC NEUTRAL WHITE WIRE PIN 4 NO CONNECTION PIN 2 AC HOT BLACK WIRE TD00337 A ...

Page 118: ...OUT CONNECTIONS TO DUPLEX COMPUTER BOARD J9 AND J10 PIN 8 NOZZLE SW POSITION Y PIN 5 PULSE B FOR SINGLE HOSE MGD TD00338 A PIN 2 NOZZLE SWITCH COMMON PIN 9 NOZZLE SW POSITION Z PIN 1 NOZZLE SW POSITION X PIN 6 PULSE A PIN 3 PULSE B PIN 7 LED A PIN 4 LED B ...

Page 119: ... SOLENOID DRIVE BOARD J1 PIN 2 PIN 9 PUMP RELAY PRODUCT B PUMP RELAY PRODUCT C PIN 5 PIN 6 PIN 4 AC VALVE 3 SIDE 1 PIN 8 PIN 7 AC VALVE 2 SIDE 1 AC VALVE 1 SIDE 1 AC VALVE 3 SIDE 2 AC VALVE 2 SIDE 2 AC VALVE 1 SIDE 2 PUMP RELAY PRODUCT A PIN 3 PIN 1 PIN 11 PIN 12 PIN 10 TD00328 A ...

Page 120: ...ECTIONS TO BLENDER SOLENOID DRIVE BOARD J2 PIN 1 GROUND PIN 2 PULSER SELECT A SIDE 1 PIN 3 PULSER SELECT B SIDE 1 PIN 4 PULSER SELECT C SIDE 1 PIN 6 PULSER SELECT A SIDE 2 PIN 7 PULSER SELECT B SIDE 2 PIN 8 PULSER SELECT C SIDE 2 PIN 9 GROUND PIN 5 KEY TD00329 A ...

Page 121: ...S TO BLENDER SOLENOID DRIVE BOARD J3 PIN 4 PROPORTIONAL VALVE LO SIDE 1 PIN 7 PROPORTIONAL VALVE HI SIDE 2 PIN 8 24 VOLTS DC PIN 6 24 VOLTS DC PIN 9 PROPORTIONAL VALVE LO SIDE 2 PIN 5 OPEN PIN 1 24 VOLTS DC PIN 2 PROPORTIONAL VALVE HI SIDE 1 PIN 3 24 VOLTS DC TD00330 A ...

Page 122: ...112 Part No 920160 Rev A February 1997 FIGURE B 11 PINOUT CONNECTIONS TO BLENDER SOLENOID DRIVE BOARD J4 PIN 1 24 VDC INPUT FROM POWER SUPPLY PIN 2 PIN 3 GROUND TD00331 A ...

Page 123: ...ALVE NOZZLE Y BLACK ORANGE WIRE PIN 5 NOT USED PIN 10 PULSER SELECT NOZZLE Y VIOLET RED WIRE PIN 13 PULSER SELECT NOZZLE Z VIOLETWIRE PIN 4 RELAY SELECT NOZZLE Y WHITE BROWN WIRE PIN 9 SLOW VALVE NOZZLE Y BLACK ORANGE WIRE PIN 8 NOT USED PIN 7 PULSER SELECT NOZZLE X VIOLET BLACK WIRE PIN 12 FAST VALVE NOZZLE Z WHITE BLUE WIRE PIN 11 NOT USED PIN 15 SLOW VALVE NOZZLE Z WHITE BLUE WIRE PIN 14 RELAY ...

Page 124: ...ROM DUPLEX COMPUTER CONNECTIONS J4 J5 J3 AC INPUT TO THE LIGHTED CASH CREDIT INTERFACE BOARD J4 20 VDC OUTPUT TO THE PUSH TO START SWITCH ASSEMBLY LEDS J5 CONNECTION FOR THE OPERATIONAL SWITCH INPUTS J6 CONNECTION FOR THE FUNCTION SWITCH INPUTS J7 ELECTRO MECHANICAL TOTALIZER CONNECTION J10 5VDC CONNECTION TO ISB ASSEMBLY BOTH PINS 5 VDC F1 AC INPUT FUSE NOT FIELD REPLACEABLE J7 TD00344 A J10 TRAN...

Page 125: ...6 7 8 9 10 11 12 13 14 15 16 LED 5 20 VOLTS DC PIN 1 20 VOLTS DC LED 4 20 VOLTS DC 20 VOLTS DC 20 VOLTS DC 20 VOLTS DC 20 VOLTS DC 20 VOLTS DC LED 3 LED 2 LED 1 TD00342 A THE EVEN NUMBERED PINS 2 4 6 ETC ARE THE 20 VDC SUPPLIED TO EACH LIGHTED SWITCH THE ODD NUMBERED PINS 3 5 7 ETC ARE THE SWITCHED 0 VDC WHICH CAUSE THE LIGHTS TO BLINK PIN 1 AC HOT PIN 2 AC NEUTRAL PIN 3 EARTH GROUND TD00343 A ...

Page 126: ...LIGHTED CASH CREDIT INTERFACE BOARD J7 1 5 2 6 3 7 4 8 JOG SETUP AUTH TOTALS COMMON SHOWN VIEWING THE CONNECTOR FROM ITS OPEN END AT THE EDGE OF THE PRINTED CIRCUIT BOARD TD00345 A PUSH TO STOP SWITCH DATA 1 2 3 4 5 6 7 8 9 EM TOT LEFT EM TOT MIDDLE EM TOT RIGHT EM TOT 4TH PRODUCT EM TOT LEFT EM TOT RIGHT NON BLENDER BLENDER 5V 5V 5V 5V TD00346 A ...

Page 127: ... TO LIGHTED CASH CREDIT INTERFACE BOARD J10 FIGURE B 19 PINOUT CONNECTIONS TO LIGHTED CASH CREDIT INTERFACE BOARD J5 1 2 5V 5V TD00347 A 9 8 7 6 5 4 3 2 1 GND GND SELECT SWITCH 5 SELECT SWITCH 4 SELECT SWITCH 3 SELECT SWITCH 2 SELECT SWITCH 1 NOT USED NOT USED TD00348 A ...

Page 128: ...118 Part No 920160 Rev A February 1997 FIGURE B 20 ISB ASSEMBLY CONNECTION PINOUTS FOR MGD Refer to Table B 1 ...

Page 129: ... Use Pin Signal Pin Signal Pin Signal 1 Power 5 VDC 1 Common 1 Side 1 Pulse A Hi 2 Power 5 VDC 2 Side 1 Select X 2 Open 3 Side 1 Select Y 3 Side 1 Nozzle X 4 Side 1 Select Z 4 Side 1 Nozzle Y 5 Side 1 Select AA 5 Side 1 Nozzle Z 6 Side 2 Select X 6 Side 1 Nozzle AA 7 Side 2 Select Y 7 Common 8 Side 2 Select Z 8 Side 2 Nozzle AA 9 Common 9 Side 2 Nozzle Z 10 Side 2 Select AA 10 Side 2 Nozzle Y 11 S...

Page 130: ...120 Part No 920160 Rev A February 1997 FIGURE B 21 ISB ASSEMBLY CONNECTION PINOUTS FOR BLENDER EXCEPT X1 V590 6 HOSE Refer to Table B 2 ...

Page 131: ...ects to CA CR Board J5 Connects Solenoid Drive Bd J6 For Future Use Pin Signal Pin Signal Pin Signal 1 Power 5 VDC 1 Common 1 Side 1 Pulse A Hi 2 Power 5 VDC 2 Side 1 Pulser Select Hi Lo 2 Side 1 Pulse A Lo 3 Open 3 Open 4 Open 4 Side 1 Nozzle Blend 5 Open 5 Open 6 Side 2 Pulser Select Hi Lo 6 Open 7 Open 7 Common 8 Open 8 Open 9 Common 9 Open 10 Open 10 Side 2 Nozzle Blend 11 Open 12 Open 13 Side...

Page 132: ...122 Part No 920160 Rev A February 1997 FIGURE B 22 ISB ASSEMBLY CONNECTION PINOUTS FOR X1 V590 6 HOSE Refer to Table B 3 ...

Page 133: ...ts Solenoid Drive Bd J6 For Future Use Pin Signal Pin Signal Pin Signal 1 Power 5 VDC 1 Common 1 Side 1 Pulse A Hi 2 Power 5 VDC 2 Open 2 Side 1 Pulse A Lo 3 Open 3 Open 4 Side 1 Pulser Select Hi Lo 4 Side 1 Nozzle Lo 5 Open 5 Side 1 Nozzle Hi 6 Open 6 Side 1 Nozzle Blend 7 Open 7 Common 8 Side 2 Pulser Select Hi Lo 8 Side 2 Nozzle Blend 9 Common 9 Side 2 Nozzle Hi 10 Open 10 Side 2 Nozzle Lo 11 O...

Page 134: ...124 Part No 920160 Rev A February 1997 ...

Page 135: ...D X1 V390D 1 6613 D 1 V395D U 1 V590D U 1 V580D 1 V585D 2 6613 D 2 6613 D 1 V390D U 3 6613 D 1 V387D 4 6613 D 1 V389D 1 V399D 5 6613 D X1 V590D 6 6613 D 1 V390D R 7 6613 D 1 V395D RU 1 V590D RU 1 V580D R 1 V585D R 8 6613 D 8 6613 D 1 V390D RU 9 6613 D 1 V387D R 10 6613 D 1 V389D R 1 V399D R 13 6613 D ...

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Page 147: ...Bisker This manual was produced using Adobe FrameMaker on a Power Macintosh 8100 80 Page design uses Times 12 and Helvetica 10 Fonts Manuals were electronically produced on a Xerox Docutech 135 Publishing System at 600 dpi Art was produced using Aldus Freehand and Adobe PhotoShop Service Manual 1 Vista ...

Page 148: ...trieval system or transmitted in any form or by any means except as permitted by such license Translation of this material to another language without express written permission of Dresser Industries is prohibited The information in this publication is for informational use only and is subject to change without notice The contents should not be construed as a commitment by Dresser Industries Inc w...

Page 149: ... panels will be free from defects due to rust and or corrosion for a period of forty eight 48 months from date of dispenser start up Defective and nonconforming items must be held for Seller s inspection and returned to the original f o b point upon request Seller s war ranty on service parts whether new or reconditioned is ninety 90 days from the date of installa tion or twelve 12 months from dat...

Page 150: ...es uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be re quired to correct the interference at his own expense 920160 A Wayne Division Dresser Industries Inc P...

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