YZ Systems NJEX 8300G, Manual, Page: 6 / 126

YZ Systems, Inc. • 3101 Pollok Drive • Conroe, Texas • USA • 77303 • P: 936.788.5593 • F: 936.788.5720
Page V NJEX 8300 ver.092001 ATEX Rev.
8300G T 8300G T
8300G T 8300G T
8300G T
ABLE ABLE ABLE ABLE ABLE OF OF OF OF OF
C C
C C
C
ONTENTS ONTENTS ONTENTS ONTENTS ONTENTS
Section 13: 8300G System Troubleshooting continued
Pump Alarms.....................................................................................................................................91
Pump Over Pumping Alarm Troubleshooting Steps .................................................................92
Pump Under Pumping Alarm Troubleshooting Steps ...............................................................92
Pump Failure Alarm Troubleshooting Steps .............................................................................93
Appendix A: Illustrations................................................................................................................95
NJEX Model 8000 Pump Assembled ................................................................................................. 95
NJEX Model 8000 Pump Actuation Assembly, Exploded View...........................................................96
NJEX Model 8000 Pump, Diaphragm and Check Valve Assembly, Exploded View........................... 97
Fill Valve, Exploded View ...................................................................................................................98
VM-2100 Verometer, with Filter Assembly, Exploded View ................................................................99
Bulk Odorant Filter ..........................................................................................................................100
NJEX Gas Filter ............................................................................................................................... 101
Electronics Assembly ......................................................................................................................102
SPS-12 Solar Power Supply Unit ....................................................................................................103
LPS-120/240 Charger Supply Unit ..................................................................................................104
Heater Wiring Diagram....................................................................................................................105
Appendix B: N-300 Modbus Specifications ...............................................................................107
Communications Settings ...............................................................................................................107
N300 Modbus Function Support ................................................................................................107
Boolean Registers .....................................................................................................................107
Control Functions ......................................................................................................................107
Status Functions .......................................................................................................................108
Alarm Functions ........................................................................................................................109
Integer Registers ....................................................................................................................... 110
Result Data Functions............................................................................................................ 110
Parameter functions .................................................................................................................. 112
Exception Responses ............................................................................................................... 112
Appendix C: Response Forms ..................................................................................................... 113
For the Record Form ...................................................................................................................... 113
NJEX Trouble Shooting Form .......................................................................................................... 114
Appendix D: Documents............................................................................................................... 115
N-300 Controller Display Diagram................................................................................................... 115
Wiring Control Document................................................................................................................ 116
Appendix E: ATEX System Connections ..................................................................................... 117