50 Culligan® Series G1 Reverse Osmosis
50 Cat. No. 01021713
TDS Programming
The Global RO Controller uses one TDS probe, measuring the product water. The probe is connected via the SBT ter-
minal J20 on the GROC board. The probes are factory installed and calibrated. If the measured TDS levels exceed the
maximum allowed in the product water (see page 26), the RO controller displays an error condition (see “PRODUCT
TDS TOO HIGH” on page 63).
RUNNING
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1. From the default home screen, press . The screen displays the main menu.
1) GO TO RUNNING
2) GO TO OFFLINE
3) INFORMATION
>4) SETUP
2. Press to scroll to 4) SETUP.
3. Press to select the SETUP menu.
2) LANGUAGE
3) POWERON MODE
4) FLUSH MODES
>5) ACCESSORIES
4. Press to select 5)ACCESSORIES. The screen displays the ac-
cessories menu.
3) FLOW METERS
4) SWITCH INPTS
5) PRESS GAUGES
>6) TDS
5. Press to select 6)TDS. The screen displays the switch inputs
settings.
TDS Probe Settings
Screen Display Range Changing the Setting
TDS PROBE:
NONE
None
Product
Both
For the G1 RO, there is only one TDS probe, so the correct setting
is PRODUCT. For the G2 and G3 RO, the correct setting is BOTH.
Press
or and then to change the state if necessary.
ACTUAL TDS OUT
0
PPM
0–6000 (TDS1)
0–200 (TDS2)
Disconnect the TDS probe from the RO plumbing and submerge it
into a solution of known TDS. Press
or to enter the actual TDS
value.
TEMP OFFSET
0 F
-50–50
Use this value to make minor corrections to the displayed temperature
value. For example if you use a handheld temperature device that
shows the water temperature two degrees warmer, change this value
to 2 to compensate.
TEMP COMP VALUE:
0.025
N/A
Please do not change this value unless you are told to do so by Cul-
ligan Rosemont. This value changes the slope used to interpret the
temperature.
RUNNING
JAN-01-12 12:01P
6. Press to save the settings and return to the home screen.
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