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Dispense Overflow
Cutoff Float (cont.)
Optional N.I.S.T.
Calibration Module
Thermo Scientific
1. Prior to initialing an automatic dispense (time or volumetric), plug
float into connector on back right side of Nanopure (Figure 10-2).
2. Position carboy to be filled and place float assembly on open neck of
carboy. Position float assembly such that it will not interfere with
product water stream being dispensed into carboy.
3. Initiate Auto Dispense as described in the "Automatic Dispensing"
section of this manual. If, during the auto dispense, the float is lifted
by the rising water, the auto dispense will immediately be stopped and
an error message will be displayed momentarily.
If you purchased the optional N.I.S.T. calibration module (Catalog No.
E896X5), you can perform a calibration of the Nanopure purity sensing
electronics traceable to N.I.S.T. standards.
1. Disconnect power cord from the unit.
2. Unlatch and open the right door. Remove the 2 screws and remove the
cover plate over the PC boards.
3. Locate the outlet cell connection on the circuit board and remove the
outlet cell connection at J2.
4. Connect the N.I.S.T. calibration
module to the connection point (J2),
"To Outlet Cell" on the calibration
board (PC1190X2).
5. Close and latch door.
6. Reconnect the power cord and turn
the unit on by depressing the main
power switch.
7. From the (Idle) mode, Press the UP
or DOWN arrow until the display
reads, "N.I.S.T. Calibrate?" Press
ENTER.
8. Display will show "Calibration
Module Installed?" Press the UP or
DOWN arrow to select (YES).
J2
Connection
Figure 10-3. PC Board
Nanopure Life Science (UV/UF)
Section 10
Accessories
10-3
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