YZ Systems, Inc. • 3101 Pollok Drive • Conroe, Texas • USA • 77303 • P: 936.788.5593 • F: 936.788.5720
Page 5
NJEX 7300L ver.10012003
7300L T
7300L T
7300L T
7300L T
7300L T
ABLE
ABLE
ABLE
ABLE
ABLE
OF
OF
OF
OF
OF
C
C
C
C
C
ONTENTS
ONTENTS
ONTENTS
ONTENTS
ONTENTS
Section 13: 7300L 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 7000F Pump Assembled ...............................................................................................95
NJEX Model 7000F Pump Actuation Assembly, Exploded View ........................................................96
NJEX Model 7000F Pump, Diaphragm Cartridge, Exploded View.....................................................97
NJEX Model 7000F Pump, Check Valve Assembly, Exploded View ..................................................98
Fill Valve, Exploded View ...................................................................................................................99
VM-1100 Verometer, with Filter Assembly, Exploded View ..............................................................100
Bulk Odorant Filter ..........................................................................................................................101
NJEX Gas Filter ............................................................................................................................... 102
Electronics Assembly ......................................................................................................................103
LPS-120/240 Charger Supply Unit ..................................................................................................104
Heater Wiring Diagram....................................................................................................................105
Back Pressure Regulator Diagram .................................................................................................106
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