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Using your TII
Normal Operation
1. Turn the system power ON by depressing the main power switch to the "I" position.
2. The system electronics will initialize and check its calibration. All units have been factory
calibrated.
3. The unit will enter STANDBY mode.
4. From STANDBY, press the START/STOP switch on the control panel to enter the RUN mode.
The unit's RO pump will begin to run.
5. The display will then begin reading resistivity of the system product water. Initially, it will read
"PROCESSING" while the DI meter is initializing. The DI section will not operate until the tank
is 25% full.
6. Allow the water's resistivity to rise to the desired purity before dispensing water.
7. The system should be left in RUN during the workday.
8. If the Thermo Scientific TII is to be shut down for an extended period of time, the unit should be
completely drained and the cartridges and membrane(s) removed and refrigerated to prevent the
growth of bacteria.
Control Panel
The Thermo Scientific TII is controlled through a panel that incorporates buttons to control its
functions. This control panel utilizes a graphical display to show system information and the purity of
the product water. The intensity of the display may be adjusted according to user preference. Refer to
"Setting System Options."
Figure 4-1 Thermo Scientific TII Control Panel
Thermo Scientific
4
TII Water System
4-1
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