
YZ Systems Milton Roy • 201 Ivyland Road • Ivyland, Pennsylvania • USA • 18974 • P: 281.362.6500 • www.yzsystems.com
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NJEX 610G / 610F ver.11-2023
Section 7: Mechanical System
Flow Switch
The flow switch is installed in the discharge line of
the flow switch. When flow is pushed through the
switch, a magnetic contact will connect and send
a signal to the controller.
The flow switch will come set at the factory, but may
need to be adjusted for the installation site.
To adjust the flow switch, loosen the set screw (C)
and move the reed switch contact (B) up or down
and tighten the set screw.
On the home screen of the Z-100, press and hold
the toggle switch up to trigger a test pump to check
and repeat as necessary.
Please note during a new installation, the discharge
lines must be packed with odorant, and the line up
to back pressure before the flow switch will read.
The flow switch may need to be adjusted if the flow
conditions change, such as back pressure, at the
site of installation.
Figure 15