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TDS / Conductivity Cell Wiring
For accurate TDS / Conductivity readings, the cell should be installed in a tee fitting where a continuous flow
of water passes over the cell and no air can be trapped around the cell. Refer to the figure below for example
installation and page 5 for wiring. The feed cell is connected with 5 wires to terminal strip P16. The permeate
cell is connected with 5 wires to terminal strip P17. Connect each colored wire to the terminal labeled with
the same color.
TDS/Conductivity Sensor Installation
IDEAL
FLOW
GOOD
• The sensor tting is 3/4" male NPT
• Position the sensor so air will not
be trapped around sensor.
Pressure Sensor Wiring
Optional 2-wire 4-20mA pressure sensors can be connected to the controller. Refer to the figures on page
5 for terminals strip locations and a sample wiring diagram. The controller supplies 24VDC to operate the
sensors.
TRAPPED AIR
FLOW
POOR
TRAPPED AIR
POOR
8
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