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3
System Plumbing
Checking the Background Conductivity
Checking the Background Conductivity
Completing the IQ and System Function Test
Completing the OQ
30
Dionex ICS-4000 Installation Instructions
Note If the pressure difference is greater than 0.7 MPa (100 psi), refer to the
ICS-4000 operator's manual for troubleshooting information on high system
backpressure.
If you are installing a CD, check the background conductivity before continuing.
To check the background conductivity
1. On the Pump screen, under Prime/Flush, select
2. Monitor the background conductivity of the water. Verify that the conductivity is <1 μS
before proceeding.
3. Remove the tubing assemblies between the injection valve
port.
Complete the appropriate Installation Qualification (IQ) checklist and the system function
test to confirm that the Dionex ICS-4000 is correctly installed and the basic system
components (injection valve, pump, and detector) are functioning correctly.
Note If you are installing an ED, fill and flush the liquid path (see
eluent generator (see
page
system function test. The system function test for an ED requires KOH eluent. The test
for a CD requires only deionized water.
If purchased for your system, complete the Operational Qualification (OQ) procedure.
Note For an ED, complete the OQ after filling and flushing the liquid path and
performing the ED system function test.
0.03 mL/min
32) before completing the IQ checklist and performing the
and touch
.
Flush
port and the CD
ELUENT OUT
page
31) and set up the
Thermo Scientific
IN
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