The main screen of the RIU3 displays the current values read from the probe.
Using the up and down keys toggles between additional probe values and shows the status of the relays either being
on or off.
Warnings conditions are also displayed on the Main screen
Holding down the return arrow for three seconds brings you into the settings menu.
The settings menu allows you configure multiple values and parameters such as alarm conditions, relay control type,
probe calibration, backlight set up and system diagnostics.
The following chapter will discuss the basic operational features and menu structure of the RIU3.
Additional chapters in this manual will explain advanced features such as configuring relay control types, two point
calibration, and troubleshooting.
Main Display
PV Values
If more than 2 PV
values: displayed 2
per screen
Relay Status
Hold for > 3 sec
Selection Menu
MAIN DISPLAY
Error Condition
Example
100% Sat
8.9 mg/L
Example
R1 = ON
R2 = OFF
POINT FOUR™ RIU3™ Remote Monitor/Controller Installation and User's
RIU3 OPERATION
Error Display
<Toggled every 2 sec>
Error Types:
[
Highest
ERROR
Priority
Low Volt
[
ERROR
High Amp
[
mV Trim
Required
[
Lowest
Selftest
Priority
Required
9
Guide