Installation / Replacement Of Ion-Exchange Cylinder - ELGA CENTRA S200 US Operator's Manual

CENTRA - S200 US/CENTRA - R200 US Operator Manual
Ion-exchange cylinder
Page 40
9.5
CAUTION!
The ion-exchange cylinder should be replaced in the following
circumstances:
Step 1 - Installation / replacement of ion-exchange cylinder
CENTRA - S200 US/CENTRA - R200 US Version 01 – 08/14
Installation / replacement of ion-exchange
cylinder
The CENTRA system can produce
pressures up to 6 bar within the DI
distribution loop.
Ensure DI cylinders are rated for at
least 6 bar pressure.
If in doubt contact Technical Support.
• Water purity (usually resistivity) in the installation
starts to deteriorate.
• After 6 months use.
1. ENSURE process is OFF and ISOLATE power.
2. DEPRESSURIZE the distribution loop by opening a
convenient point of use
PRESSING the red knob on the top of the filter
housing, some water may be spilt.
3. ISOLATE cylinder from loop by closing isolation
valve (V6). See flow diagram 3.3 in Section 3.
4. OPEN bypass valve (V7).
5. REMOVE connections to ion-exchange cylinder
making a note of the connection orientation.
6. REMOVE cylinder and contact you local ELGA
LabWater representative to arrange for replacement.
7. INSTALL new cylinder ensuring correct connection
orientation.
8. RINSE cylinder ensuring all air is bled from the
system.
9. OPEN isolating valve (V6).
10. CLOSE the bypass valve (V7).
11. OPEN point of use in distribution loop and direct full
flow to drain to flush cylinder (recommended flush is
three bed volume or more as appropriate for the
application).
12. PRESS process button.
13. CLOSE the point of use.
Note: CENTRA - S200 US systems with ion-exchange
cylinder included in the recirculation loop may be
replaced in a similar manner. If unsure contact
your local ELGA LabWater representative.
Note: The flow rate round the distribution loop will be
affected by the size and type of ion-exchange
cylinder installed. Contact Technical Support if
further information is required.
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