YZ Systems Milton Roy • 201 Ivyland Road • Ivyland, PA • USA • 18974 • P: 281.362.6500 • www.yzsystems.com
NJEX ZEO Version 04/13/2021
Page 28
Starting the System
To begin operating the NJEX ZEO system, ensure power is provided to the ZEO cabinet. The
system power switch is located inside the N-400 enclosure. To access the switch, pull out and
upward on the lever located on the right side of the N-400 enclosure. On the circuit board inside
the N-400 enclosure, the On / Off switch is located on the upper right side. Flip the switch up to
turn the main power on.
Once the NJEX ZEO System is powered, navigate to the About Menu to view the controller
information. Record this information on the Maintenance sheet in
quick reference.
Observe the LCD screen to ensure the Serial Number and Model Type shown match the Serial
Number and Model Type on the inside of the enclosure door.
Setting Operator Parameters in Section 5
of this manual to set the target injection rate,
selected units, operational mode, flow signal type where applicable, etc. The real time clock and
date must be maintained to ensure it is accurate for the location of the system installation and
recorded audit trail.
Follow the P&ID located in the door of the cabinet and the
Maintenance Instructions in Section 5
of this manual to prime the transfer pump and fill the verometer. Before priming the injection
pump,
follow the Injection Pump Oil Fill Procedure in Appendix G of this manual to fill the
injection pump with the required oil
.
After filling the injection pump with oil, refer to the P&ID and the
Section 5
to prime the injection pump.
After completing the priming steps, follow the
Calibration instructions in Section 5
to calibrate the injection pump, odorant tank level, inlet pressure, and flow signal where
applicable.
To continue startup, ensure all valves are position in the normal operational state. See the P&ID
provided on the inside of the cabinet door for valve positions necessary for normal operation.
Confirm the vent valve V5 is closed during operation to prevent spilled odorant.
To start the system, return to the N-400 controller Home Screen and press the Right Arrow Key
to start. When the system is powered up and running, in the upper right section of the N-400
controller Home Screen, the words RUNNING will be displayed. To stop the system, press the
Right Arrow Key again. In the upper right section of the N-400 controller Home Screen, it will
now display STOPPED.
To change any settings, see the
Setting Operator Parameters in Section 5
manual.
Operating parameters may be viewed when the system is running, but to change any settings,
the system must be stopped. If the system displays it is running, press the Right Arrow Key to
stop, change any parameters, and restart the system.
Section 4: System Operation
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