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YZ Systems, Inc. • 3101 Pollok Drive • Conroe, Texas • USA • 77303 • P: 936.788.5593 • F: 936.788.5720
Page 92

NJEX 8300  ver .092001 ATEX Rev.

SSSSS

ECTION

ECTION

ECTION

ECTION

ECTION

 13:

 13:

 13:

 13:

 13:  8300 S

  8300 S

  8300 S

  8300 S

  8300 S

Y

YY

Y

YSTEM

STEM

STEM

STEM

STEM

      TTTTT

R

RR

R

ROUBLESHOO

OUBLESHOO

OUBLESHOO

OUBLESHOO

OUBLESHOOTING

TING

TING

TING

TING

IMPOR

IMPOR

IMPOR

IMPOR

IMPORTTTTTANT NO

ANT NO

ANT NO

ANT NO

ANT NOTE:

TE:

TE:

TE:

TE:

When a system re-start is requested at completion or during
the the service of an NJEX System, use the N-300 controller
to stop and restart the system from the main menu.

After a restart, the default values will be used for opera-
tion, and  alarms will be cleared until actual performance
values can be ascertained by the N-300 controller. In the
case of the pump displacement this may not occur until
the pump has drained the Verometer to approximately
the 90% level.  An * will appear by the indicated pump
displacement after a stop and restart.  This indicates that
the displayed value is a default parameter value, which
is not a real pump performance indication.  As a result,
this defualt pump performance indication should not be
relied upon as the actual pump performance.

Do not prematurely assume the problem has been resolved,
simply due to the disappearance of the indicators and alarms
immediately after a re-start of the NJEX System.

Specific Pump Over Pumping Alarm

Issues Troubleshooting Steps

When an active 

Over Pumping

 alarm is indicated the

following steps should be taken:

1. This alarm may occur after service or maintenance

has been performed due to variances in the
Verometer level during the conduct of service. If
service has recently been performed, and this alarm
occurs, stop and restart the system to observe if the
alarm re-occurs, thus indicating a real alarm. If the
alarm re-occurs continue to step 2 below.

2. Verify that the operating conditions remain un-

changed and correct as needed. The pipeline
pressure should be at least 250 psi 

(17.24 Bar)

.

a. Inspect the installation for the use of a back

pressure regulating device. For pipeline pres-
sures less than 250 psi

 (17.24 Bar)

 a back

pressure regulating device must be installed
immediately outside the NJEX enclosure on the
odorant line leading to the pipeline injection

point.  A back pressure regulating device can
aliviate the over pumping conditions that can
result by the varying pressures and tempera-
tures in the pipeline for pressures less than 250
psi 

(17.4 Bar)

.  If a back pressure regulating

device is not installed as described above,
install the device before proceeding.

b. If line pressure is less than 250 psi 

(17.24 Bar)

and a back pressure regulating device is
installed on the odorant injection line, inspect
the back pressure regulating device for proper
operation, and installation as described above.

3. Verify that the actuation pressure remains un-

changed from previous setting.

4. Verify the pump displacement parameter setting is

the same as the desired pump displacement.

Specific Pump Under Pumping Alarm

Issues Troubleshooting Steps

When an active 

Under  Pumping

 alarm is indicated the

following steps should be taken:

1. If maintenance or repair has just been performed,

stop and restart the system to see if the alarm re-
occurs indicating a real alarm.  If  the alarm re-occurs
continue to the next step.

2. Verify operating conditions. Correct as needed.

3. Verify that the pump displacement parameter

matches the accurate pump displacement.

Note:   When starting a system for the first time the
expected pump displacement should be set in the N300G
controller parameters section. The system should then be
run through at least one complete Verometer cycle to get
an accurate pump displacement reading. Actual installa-
tion conditions may have an effect on the real pump
performance. Use the accurate pump displacement as
calculated by the controller for the final pump displace-
ment parameter to be entered into the controller.

4. Check to see if the pump operation sounds the same as

previously. A distinct bottoming of the plunger piston and

Содержание NJEX 8300G

Страница 1: ...NJEX 8300G N A T U R A L G A S O D O R I Z A T I O N S Y S T E M...

Страница 2: ...ssories 3 Section 2 System Installation 5 Standard System Components 5 System Flow Schematic 6 Standard System Mounting 7 Standard System Connections 8 Skid System Components 10 System Flow Schematic...

Страница 3: ...ring 29 Alarm to Relay Delay 30 Alarm to Call Out Delay 30 MODBUS Address 30 MODBUS Parameters 31 Conclusion 31 Section 6 Programming for Proportional to Time Operation 33 Setting Operator Input Param...

Страница 4: ...9 ExpansionTank 50 Odorant Inlet 50 Battery Voltage 50 Battery Alarm 50 Flow Input 50 Flow InputAlarms 50 Flow Input Indicators non alarm 50 Tank Level 51 Tank Level Alarm 51 Odorant Temperature 51 Se...

Страница 5: ...larms 85 Signal Non Alarm Indicators 85 SignalAlarm Non Alarm Indicator Troubleshooting Steps 85 Loss of Flow Alarm Troubleshooting Steps 85 Overflow Alarm Troubleshooting Steps 85 Low Flow Non Alarm...

Страница 6: ...Diaphragm and Check ValveAssembly Exploded View 97 Fill Valve Exploded View 98 VM 2100 Verometer with FilterAssembly Exploded View 99 Bulk Odorant Filter 100 NJEX Gas Filter 101 Electronics Assembly 1...

Страница 7: ......

Страница 8: ...Arrowkey or Main Powerswitch Starting with Section 4 System Control Electronics the manual will begin discussing the in depth operation of the N 300 electronic controller where many of these typograp...

Страница 9: ...gTemp Range 0to140degreesF 17 C to 60 C Power Supply SPS 12 solarpanel std LPS 120 240 volt 50 60Hz ACcharger opt BatteryReserve 1 Approximately 30 days Gas Flow Rate Input Signal 1 5VDC 4 20mAorpulse...

Страница 10: ...itoring devices In this mode the controller has the capability to distinguish between a low flow situation and a loss of flow input signal For systems with analog inputs if a loss of flow signal occur...

Страница 11: ...NJEX 8300 ver 092001 ATEX Rev S S S S SECTION ECTION ECTION ECTION ECTION 1 F 1 F 1 F 1 F 1 FIRST IRST IRST IRST IRST T T T T THINGS HINGS HINGS HINGS HINGS T T T T TO O O O O K K K K KNOW NOW NOW NOW...

Страница 12: ...3 Provides primary odorant filtration between the storage tank and the NJEX 8300G The Bulk Odorant Filter is pre installed inside the System Enclosure attachment to the odorant source is via an odora...

Страница 13: ...EM STEM STEM I I I I INST NST NST NST NST ALLA ALLA ALLA ALLA ALLATION TION TION TION TION System Flow Schematic Figure 4 Table 1 8300 Pipeline Pressure Actuation Pressure 200 400psi 13 89 27 6Bar 40p...

Страница 14: ...System Mounting Figure 5 1 Bolt down the system enclosure to a concrete slab using the mounting holes 9 16 provided in the bottom of each leg of the enclosure Recommended bolt stud sizes for mounting...

Страница 15: ...explosion proof code via a termination junction box not shown to be attached to the conduit provided at the upper left side on the system enclosure The power require ment for 120VAC will be 100 mA The...

Страница 16: ...ied by the NJEX system owner to the NJEX gas filter inlet fitting using a dielectric union figure 9 Note in applications where the actuation gas supply has a high water content and or a low hydrocarbo...

Страница 17: ...he N 300G controller The controller has an alarm capability to indicate when the liquid level in the storage tank has fallen below a predetermined level set by the operator The Systems are available w...

Страница 18: ...nterconnect Cable figure 12 provides the connection between the system control enclosure and the electrical components located in the mechani cal section Expansion Tank figure 13 provides a closed loo...

Страница 19: ...TEM STEM STEM I I I I INST NST NST NST NST ALLA ALLA ALLA ALLA ALLATION TION TION TION TION System Flow Schematic Figure 14 Table 1 8300 Pipeline Pressure Actuation Pressure 200 400psi 13 89 27 6Bar 4...

Страница 20: ...ght 20 gal 34 34 450 lbs 60 gal 52 52 550 lbs 120 gal 96 47 850 lbs 250 gal 122 32 1200 lbs 500 gal 147 47 1700 lbs 1000 gal 220 47 2900 lbs Skid System Mounting Figure 15 1 Bolt down the system to a...

Страница 21: ...box to be attached to the conduit provided at the upper left side on the system enclosure The power requirement for 120VAC will be 100 mA The power requirement for 240VAC will be 50 mA These power in...

Страница 22: ...ation gas source of 75 psi 5 17 Bar supplied by the NJEX system owner to the NJEX gas filter inlet fitting using a dielectric union figure 19 Note in applications where the actuation gas supply has a...

Страница 23: ...03 P 936 788 5593 F 936 788 5720 Page 16 NJEX 8300G ver 092001 ATEX Rev S S S S SECTION ECTION ECTION ECTION ECTION 2 2 2 2 2 S S S S SY Y Y Y YSTEM STEM STEM STEM STEM I I I I INST NST NST NST NST AL...

Страница 24: ...Verify correct position of valves before beginning figure 21 Open V12 and V13 Closed V10 V11 and V15 Note Gas Supply to V13 should NOT be turned on during this procedure 2 Attach inert or natural gas...

Страница 25: ...should wear protective clothing and use equipment as recommended by the chemical manufacturer during this time If you are uncertain about any aspect of the odorant itself you should contact the manuf...

Страница 26: ...l ler menu system is illustrated on the N 300G Display Diagram located on page 116 in Appendix D To Use The Key Pad The three main keys have multiple function capabilities Each key is labeled with it...

Страница 27: ...ide of mechanical enclosure door Also check to ensure the verometer calibration number matches the verometer tag number located at the top of the verometer assem bly figures 27 28 29 Next you may have...

Страница 28: ...inhibit the operation of the N 300G controller by simply pressing this key This creates a standby mode for the 8300 system In the event of a no flow condition in the pipeline the operator can switch...

Страница 29: ...ximately 30 days without additional power generated by the solar panel The battery is con tinuously monitored and an alarm signal is sent if the voltage falls below 11 0 volts During normal charging o...

Страница 30: ...ain information or the NJEX system may be configured to notify the computer and provide it with information Connections for Method 1 or 2 are via an RS 485 two wire connection In a safe nonhazardous a...

Страница 31: ...F 936 788 5720 Page 24 NJEX 8300 ver 092001 ATEX Rev S S S S SECTION ECTION ECTION ECTION ECTION 4 4 4 4 4 S S S S SY Y Y Y YSTEM STEM STEM STEM STEM C C C C CONTR ONTR ONTR ONTR ONTROL OL OL OL OL E...

Страница 32: ...e Select key The value entry will begin to flash when chosen Use the Up Arrow key to increase the value and the Down Arrow key to decrease the value When a new value has been chosen press the Enter ke...

Страница 33: ...ow flow conditions where the operation is not desired This setting will override the max time stroke setting parameter When flow again increases above the preset point the N 300G resumes operation To...

Страница 34: ...sh when selected Use the Up Arrow key to increase the value and the Down Arrow key to decrease the value When a new value has been chosen press the Enter key to store the new value into memory The ent...

Страница 35: ...en press the Enter key to store the new Low Level Alarm setting into memory The entered value will stop flashing when it has been loaded into memory the High Level value will begin to flash Use the Up...

Страница 36: ...tial between the Bulk Odorant Storage Tank and the Expansion Tank must be maintained This differential should never be less than 5 psi 35 Bar and typically not more than 10 psi 69 Bar There are two a...

Страница 37: ...rogrammable time that can be entered to allow for a period of time to occur between the initial issuance of an alarm and the actual automatic call out function via a modem or Modbus communication port...

Страница 38: ...f your Modbus system Parity options are odd even and none The 3rd pressing of the Enter Select key will bring you to the framing mode window will begin to flash Next use the Up Arrow or Down Arrow key...

Страница 39: ...CTION ECTION ECTION ECTION ECTION 5 5 5 5 5 P P P P PR R R R ROGRAMMING OGRAMMING OGRAMMING OGRAMMING OGRAMMING FOR FOR FOR FOR FOR P P P P PR R R R ROPOR OPOR OPOR OPOR OPORTION TION TION TION TIONAL...

Страница 40: ...me menu figure 60 Pump displacement in cc stroke To set the pump displacement figure 61 press and release the Select key The value entry will begin to flash when chosen Use the Up Arrow key to increas...

Страница 41: ...gin to flash when selected Use the Up Arrow key to increase the value and the Down Arrow key to decrease the value When a new value has been chosen press the Enter key to store the new value into memo...

Страница 42: ...up to the high level set point High Level should typically be set 27 psi 1 86 Bar but is adjust able from 0 psi 0 Bar up to 99 psi 6 82 Bar To set the alarm level points figure 66 press and release t...

Страница 43: ...a new value has been chosen press the Enter key to store the new Odorant Inlet High setting into memory Press the Down Arrow key to advance to the next menu Alarm to Relay Delay Is a programmable tim...

Страница 44: ...dress is also used as the Sentry4 I D MODBUS Parameters Not required unless MODBUS is utilized There are 4 items of information that may be entered on this screen They are baud parity framing mode com...

Страница 45: ...RATION TION TION TION TION Setting Operator Input Parameters Continued MODBUS Parameters Continued No Comm Port is used for Modbus ONLY Comm 2 is avaailable for Sentry4 1 Comm 1 will be used for Modbu...

Страница 46: ...figure 75 Choose Flowin the calibration selection menu figure 76 Choose Ang in the flow input type menu for analog voltage or current inputs i e 1 5VDC or 4 20mA figure 77 Choose Lin for input signal...

Страница 47: ...n the pipeline The N 300G is factory calibrated for 100 of flow to directly correspond to 5 00 VDC 20 mA at the flow input terminal board TB1 terminals 2 and 3 refer to the Wiring Control Document on...

Страница 48: ...e V 5 The output from the transmitter should be 1 00 VDC 1 Press release the Read key figure 93 and the actual voltage present from the transmitter will be shown flashing in the display 2 Press releas...

Страница 49: ...Odorant Filter inside of the enclosure If the expansion tank has pressure in it remove it by venting the expansion tank pressure via V5 Open V3 In the display screen tell the verometer to fill This sh...

Страница 50: ...the Read key and the actual voltage present from the transmitter will be shown flashing in the display figure 102 2 Press release the Accept key to load the zero point into the memory This value will...

Страница 51: ...d Hz choose PPS figure110 OR If the pulse input frequency is between 1 100 pulses per minute choose PPM figure 110 Span Adjustment is used to calibrate the N 300G controller for 100 of metered flow at...

Страница 52: ...by the flow metering device Example 1 pulse x 1 000 000CF 100 000 pulses hr 10CF Hr Since pulses per hour is not an option for programming the N 300G divide by 60 minutes per hour to obtain pulses pe...

Страница 53: ...593 F 936 788 5720 Page 46 NJEX 8300 ver 092001 ATEX Rev S S S S SECTION ECTION ECTION ECTION ECTION 7 7 7 7 7 C C C C CALIBRA ALIBRA ALIBRA ALIBRA ALIBRA TING TING TING TING TING S S S S SIGN IGN IGN...

Страница 54: ...Indicators With the activation of an alarm indicator the alarm function of the NJEX System turns into an UPPER CASE character set For example pmp pump becomesPMP indicating that an alarm is active fi...

Страница 55: ...eviously set or programmed pump displacement will be displayed refer to the Program ming Sections 5 6 beginning on pages 25 33 Pump Alarms There are three conditions that will result in a pump alarm i...

Страница 56: ...32 OdorInlet Hi the required inlet pressure of odorant is higher than allowed figure 133 XTank Cable the expansion tank cable outlet fill valve pressure transmitter is not communicating with the contr...

Страница 57: ...has exceeded 125 of the maximum gas flow Flow Input Indicators non alarm Low Flow figure 145 the flow input has fallen below the low flow shut off set point refer to Section 5 Programming for Proport...

Страница 58: ...ied tank Tank Level Alarm Low Level figure 150 the odorant supply tank level has fallen below the low level set point refer to Programming for Proportional to Flow and Program ming for Proportional to...

Страница 59: ...0 ver 092001 ATEX Rev S S S S SECTION ECTION ECTION ECTION ECTION 8 8 8 8 8 W W W W WORKING ORKING ORKING ORKING ORKING WITH WITH WITH WITH WITH THE THE THE THE THE N 300 S N 300 S N 300 S N 300 S N 3...

Страница 60: ...ss and release the Select key The entered value will flash when it is chosen Use the Down Arrow or Up Arrow keys to change the setting Press the Enter key to load the entry into memory The display wil...

Страница 61: ...e has been chosen press the Enter key to store the new value into memory The entered value will stop flashing when it has been loaded into memory Press the Down Arrow key to advance to the next parame...

Страница 62: ...ys to change the setting ON Relay Open indicates the alarm relay is in the test mode OFF Relay Closed indicates the relay is in the normal mode Press the Enter key to load the entry into memory When t...

Страница 63: ...n it is selected Use the Down Arrowor Up Arrow keys to simulate which type of Verometer alarm to simulate This will be shown by the solid block appearing next to Odor Inlet Cabl Odor Inlet Lo Odor Inl...

Страница 64: ...pearing next to them and the sig indicator will again be in the lower case but will continue to flash on and off Press the Enter key to return to the simula tion selection screen and the display will...

Страница 65: ...and the Down Arrow key to de crease the value When a new value has been chosen press the Enter key to store the new Month into memory The entered value will stop flashing when it has been loaded into...

Страница 66: ...ING T T T T TESTING ESTING ESTING ESTING ESTING A A A A ALARMS LARMS LARMS LARMS LARMS Minutes after the Hour will begin to flash Use the Up Arrow key to increase the value and the Down Arrow key to d...

Страница 67: ...P 936 788 5593 F 936 788 5720 Page 60 NJEX 8300 ver 092001 ATEX Rev S S S S SECTION ECTION ECTION ECTION ECTION 9 S 9 S 9 S 9 S 9 SETTING ETTING ETTING ETTING ETTING T T T T TESTING ESTING ESTING EST...

Страница 68: ...ical system figures 169 170 and 171 are composed of the bulk odorant filter fill valve Verometer 8000 pump odorant discharge manifold NJEX gas supply filter solenoid manifold pneumatic relay manifold...

Страница 69: ...on 12 page 74 In the event that the internal filter elements become dirty a bulk odorant filter repair kit is available Fill Valve The purpose of the fill valve is to control odorant flow into the Ver...

Страница 70: ...he Verometer alarm functions based on input from the level monitoring device Odorant enters the Verometer from the fill valve Odor ant exits the Verometer by passing through a second filter element on...

Страница 71: ...eck valve The pump diaphragm acts as an isolation device between the hydraulic fluid and the odorant minimizing the risk of odorant escape into the atmosphere Each time the plunger returns it complete...

Страница 72: ...tenance page 80 Figure 200 An integral wafer check valve is built into the odorant discharge manifold The wafer is located on top of the plug that is inserted in the bottom of the manifold This check...

Страница 73: ...nd V16 lower left with a black knob Valve V4 is normally closed but is opened to charge the expansion tank with gas as required during system start up or purge process Additionally valve V5 is normall...

Страница 74: ...inject into pipeline pressure as indicated on the normal operation schematic located on the enclosure door 5 Adjust the blanket gas regulator for the bulk storage tank 6 Check entire system for gas l...

Страница 75: ...the Record form located in the Appendix C Response Forms on page 113 IMPORTANT If the serial number model type or the verometer tag number does not match the corresponding numbers featured on the N 30...

Страница 76: ...e Yes entry figure 190 If the calculated time stroke is less than the minimum the Time Stroke Calculated Exceeds Minimum display will appear and the system will not start figure 191 Refer to Section 5...

Страница 77: ...USA 77303 P 936 788 5593 F 936 788 5720 Page 70 NJEX 8300 ver 092001 ATEX Rev S S S S SECTION ECTION ECTION ECTION ECTION 11 11 11 11 11 S S S S SY Y Y Y YSTEM STEM STEM STEM STEM O O O O OPERA PERA...

Страница 78: ...rage tank and the pump stroke fre quency All of these issues must be considered when establishing a preventative maintenance schedule Recommended Maintenance Schedule Weekly Inspection 1 Verify gas pr...

Страница 79: ...ly Anormal fitting o ring will exhibit a slight interference between the dart and the o ring when in contact with each other This contact is what causes the seal when necessary 4 Inspect the cap to bo...

Страница 80: ...rotector incorporates a low pressure relief in the cap assembly for the purpose of maintaining the maximum expansion tank pressure at 25 psi 1 72 Bar To test and adjust follow these steps 1 With valve...

Страница 81: ...Forward Purge Figure 197 1 Place the NJEX System in Standby mode by pressing the Standby key on the N 300 controller 2 Close valves V8 and V6 3 Open valveV4 untilpressurereaches50 60psi 3 4 4 Bar inth...

Страница 82: ...Y Y YSTEM STEM STEM STEM STEM M M M M MAINTEN AINTEN AINTEN AINTEN AINTENANCE ANCE ANCE ANCE ANCE Figure 197 Table 1 8300 Pipeline Pressure Actuation Pressure 200 400psi 13 89 27 6Bar 40psi 2 76Bar 4...

Страница 83: ...essure Gas Figure 198 Refer to the Venting Pressure Gas Operational Sche matic figure 198 on page 77 1 Open valve V3 CA CA CA CA CAUTION UTION UTION UTION UTION Vented gas will have a strong odorant s...

Страница 84: ...Y Y YSTEM STEM STEM STEM STEM M M M M MAINTEN AINTEN AINTEN AINTEN AINTENANCE ANCE ANCE ANCE ANCE Figure 198 Table 1 8300 Pipeline Pressure Actuation Pressure 200 400psi 13 89 27 6Bar 40psi 2 76Bar 40...

Страница 85: ...ing the Verometer Operational Sche matic figure 199 on page 79 1 Close valve V2 V3 and V5 2 Open valve V4 until gauge reads 25 psi 1 72 Bar and then close V4 3 Open valve V17 4 Place the NJEX System i...

Страница 86: ...Y Y YSTEM STEM STEM STEM STEM M M M M MAINTEN AINTEN AINTEN AINTEN AINTENANCE ANCE ANCE ANCE ANCE Figure 199 Table 1 8300 Pipeline Pressure Actuation Pressure 200 400psi 13 89 27 6Bar 40psi 2 76Bar 40...

Страница 87: ...System Operational Schematic figure 200 on page 80 1 Place unit in the Standby mode by pressing the Standby key located on the front of the N 300 controller The Standby LED will begin the flash on and...

Страница 88: ...Y Y YSTEM STEM STEM STEM STEM M M M M MAINTEN AINTEN AINTEN AINTEN AINTENANCE ANCE ANCE ANCE ANCE Figure 200 Table 1 8300 Pipeline Pressure Actuation Pressure 200 400psi 13 89 27 6Bar 40psi 2 76Bar 4...

Страница 89: ...77303 P 936 788 5593 F 936 788 5720 Page 82 NJEX 8300 ver 092001 ATEX Rev S S S S SECTION ECTION ECTION ECTION ECTION 12 12 12 12 12 S S S S SY Y Y Y YSTEM STEM STEM STEM STEM M M M M MAINTEN AINTEN A...

Страница 90: ...tem Check to ensure the removal of liquid odorant and pressure from the portion of the system on which work will be performed prior to removing components or fittings Inspect all tube fittings and val...

Страница 91: ...he electronic level indication are approximately the same within 2 as indicated above then the system is working correctly If you wish to change the alarm set points or disable the alarm proceed to th...

Страница 92: ...the flow rate drops below this value odorant injection stops and therefore no odorization is presently occuring Odorization will automatically resume when the flow signal returns to a level above the...

Страница 93: ...gnal and recieve this alarm two issues could genreate this alarm First the span frequency could be set incorrectly Recalculate the span frequency and inspect the setting in the Claibration section of...

Страница 94: ...n active VMTR Cable alarm is indicated the following steps should be taken 1 Inspect all cables for any external damage such as cuts or crimps in the external cable sleeve or moisture inside the cable...

Страница 95: ...range wire and pin 8 a violet wire connected 6 If an electrical signal is not present when a fill is requested check all cables for corrosion moisture or damage and replace if any signs of the previou...

Страница 96: ...disconnect the pneumatic supply tube at the top of the fill valve to inspect if actuation gas is present If actuation gas is not present when the tube is disconnected and the Verometer level continues...

Страница 97: ...necessary refer to the parameters section on programming the N 300 controller Section 5 page 29 or Section 6 page 36 depending on the mode of operation 3 Observe if the alarm is still active if it is...

Страница 98: ...es increases without operator influence proceed to the Fill Valve Trouble shooting section of this manual on page 89 If the level in the Verometer does not increase then otherwise proceed to the next...

Страница 99: ...t as needed The pipeline pressure should be at least 250 psi 17 24 Bar a Inspect the installation for the use of a back pressure regulating device For pipeline pres sures less than 250 psi 17 24 Bar a...

Страница 100: ...steps should be taken 1 Verify that the Verometer has odorant in it and that the expansion tank has the proper pressure in it of 25 psi 1 72 Bar Note If the Verometer is empty restart the system Stro...

Страница 101: ...pump Observe if there is an audible pump stroke with the piston bottoming out and returning to the top of the pump housing If an audible pump actuation is not present remove the actuation cylinder an...

Страница 102: ...ver 092001 ATEX Rev A A A A APPENDIX PPENDIX PPENDIX PPENDIX PPENDIX A A A A A I I I I ILL LL LL LL LLUSTRA USTRA USTRA USTRA USTRATIONS TIONS TIONS TIONS TIONS NJEX Model 8000 Pump Assembled Figure...

Страница 103: ...00 Pump Seal Replacement Kit P N D3 0102 P N B0 5035 2cc Spacer P N B0 5037 3cc Spacer P N B0 5036 4cc Spacer P N B0 5038 5cc Spacer 6cc displacement No spacer require d NOTE SS Bolt Hex Nipple Body P...

Страница 104: ...5 Dual Discharge P N B0 0074 Chec k Wafer P N A5 1012 O Ring Chec k Wafer P N B0 0074 P N B0 0077 Seal Nut P N A5 1016 O Ring P N B0 0076 Sleeve P N A5 0093 Backup Ring P N A5 1014 O Ring Seat Retaine...

Страница 105: ...S TIONS TIONS TIONS Fill Valve Exploded View Figure 204 SSBolts 4each PN C0 0215 UpperHousing PN A3 0205 O Ring1 PN A5 1027 O Ring PN A5 1030 Dart PN A3 0206 O Ring1 PN A5 1012 Spring PN C3 0048 O Rin...

Страница 106: ...I I ILL LL LL LL LLUSTRA USTRA USTRA USTRA USTRATIONS TIONS TIONS TIONS TIONS VM 2100Verometer with FilterAssembly Exploded View Figure 205 8 32x21 2 SHCSSS PN C0 0700 Sensor PN G1 0045 SensorWeldmen...

Страница 107: ...NS BulkOdorantFilter Figure 238 BulkOdorant Filter Element Replacement Kit P N D3 0103 P N C0 0095 1 4 20ss Nut P N C4 0102 Washer Retainer Washer SuspensionRod P N C4 0109 P N C0 0095 1 4 20ss Nut Od...

Страница 108: ...USTRA USTRA USTRATIONS TIONS TIONS TIONS TIONS NJEX Gas Filter Figure 239 P N C4 0102 Filter Retainer Washer P N C4 0131 Filter Bowl Gas Filter Label P N D5 0074 O Ring 334 Viton P N A5 1334 P N C4 01...

Страница 109: ...NDIX PPENDIX PPENDIX PPENDIX A A A A A I I I I ILL LL LL LL LLUSTRA USTRA USTRA USTRA USTRATIONS TIONS TIONS TIONS TIONS Back Pressure Regulator Diagram 1 4 FNPT Precharge Port Precharge IsolationValv...

Страница 110: ...A 77303 P 936 788 5593 F 936 788 5720 Page 103 NJEX 8300 ver 092001 ATEX Rev A A A A APPENDIX PPENDIX PPENDIX PPENDIX PPENDIX A A A A A I I I I ILL LL LL LL LLUSTRA USTRA USTRA USTRA USTRATIONS TIONS...

Страница 111: ...3 P 936 788 5593 F 936 788 5720 Page 104 NJEX 8300 ver 092001 ATEX Rev A A A A APPENDIX PPENDIX PPENDIX PPENDIX PPENDIX A A A A A I I I I ILL LL LL LL LLUSTRA USTRA USTRA USTRA USTRATIONS TIONS TIONS...

Страница 112: ...3 P 936 788 5593 F 936 788 5720 Page 105 NJEX 8300 ver 092001 ATEX Rev A A A A APPENDIX PPENDIX PPENDIX PPENDIX PPENDIX A A A A A I I I I ILL LL LL LL LLUSTRA USTRA USTRA USTRA USTRATIONS TIONS TIONS...

Страница 113: ...roe Texas USA 77303 P 936 788 5593 F 936 788 5720 Page 106 NJEX 8300 ver 092001 ATEX Rev A A A A APPENDIX PPENDIX PPENDIX PPENDIX PPENDIX A A A A A I I I I ILL LL LL LL LLUSTRA USTRA USTRA USTRA USTRA...

Страница 114: ...riting single or multiple coils per query Control Functions The control functions available via Modbus are listed below The registers are accessed using Modbus functions 1 and 5 The master device can...

Страница 115: ...t particular register was made by the master device Once a read is made the status will reflect the current state Address Access Description 00101 Read Only System Stopped 0 Running 1 00102 Read Only...

Страница 116: ...03 Read Only Over Pump Alarm 1 01004 Read Only Under Pump Alarm 1 01005 Read Only Verometer Cable Alarm 1 01006 Read Only Verometer Slow Fill Alarm 1 01007 Read Only Verometer No Fill Alarm 1 01008 Re...

Страница 117: ...ulated Flow rate Low Unsigned integer See formatting info 40005 Read Only HOU LOU Start Date Day of Month Month 1 31 1 12 BCD 40006 Read Only HOU LOU Start Date Century Year 0000 9999 BCD 40007 Read O...

Страница 118: ...0 Liquid Metric 40019 6300 XX XXX 7300 XXX XX 8300 XXXX X cc Parameter functions The result data functions available via Modbus are listed below The registers are accessed using Modbus functions 3 6 a...

Страница 119: ...00 X XXXX 7300 X XXX 8300 XX XX cc stroke Address 40109 6300GE X XXXX 7300 8300GE XX XXX MMCF hr 6300GM XX XXX 7300 8300GM XXX XX m3 sec 6300LE XXXX X 7300 8300LE XXXXX gal min 6300LM XXXX X 7300 8300...

Страница 120: ...titalized for the first time BasicinformationontheNJEX 8300 Serial number _____________________________ N 300G version x xx _______________________ Manufacturing date ________________________ Date of...

Страница 121: ...g MaxGasFlow Linear LowFlowShutoff Non linear Flow nosignal Pulses MaxTime Stroke PPS OdorantOutput PPM ALARMS Pump Verometer Signal Overpumping SlowFill Odorant InletCable LowFlow Underpumping NoFill...

Страница 122: ...w 125 pmpbatvmtrSIGtnk Signal Alarm Simulate 12 12 12 12 12 12 12 12 OverFlow 110 pmpbatvmtrsigtnk Verometer Alarm Simulate Low Flo Shtoff pmpbatvmtrsigtnk Verometer Alarm Simulate No Flow pmpbatvmtrs...

Страница 123: ...Pollok Drive Conroe Texas USA 77303 P 936 788 5593 F 936 788 5720 Page 116 NJEX 8300G ver 092001 ATEX Rev A A A A APPENDIX PPENDIX PPENDIX PPENDIX PPENDIX D D D D D D D D D DOCUMENTS OCUMENTS OCUMENT...

Страница 124: ...troller and exiting the rear of your system enclosure refer to the Wiring Control Document on page 116 in Appendix D 2 Connect the flow signal device to the termina tion block located in the system co...

Страница 125: ...03 P 936 788 5593 F 936 788 5720 Page 118 NJEX 8300 ver 092001 ATEX Rev A A A A APPENDIX PPENDIX PPENDIX PPENDIX PPENDIX E E E E E N 300 N 300 N 300 N 300 N 300 A A A A ATEX C TEX C TEX C TEX C TEX CO...

Страница 126: ...e with respect to the product This limited warranty gives you specific legal rights You may have others which vary from state to state These remedies are not available outside of the United States and...

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