Precision SL A5 cartridge & column change instructions 

Extracted text

Simple user maintenance guide

Desiccant capsule replacement
When to replace? Silica gel will darken as it becomes saturated.
Depending on usage a 12 week minimum lifetime is expected.

Step 1: Check Silica gel colour
via the window on the
left-hand side panel of the
generator (if blue/green it
needs to be replaced).

Step 2: Press and hold the
power button for 5 seconds to
shutdown and depressurize.
Now turn off the main power
switch at the back of the unit.

Step 3: Open the top panel by
lifting gently.

Step 4: Loosen and remove the
cap of the desiccant dryer by
turning counter-clockwise.

Step 5: Remove the saturated
desiccant capsule and replace
with a fresh capsule.

Step 6: Replace the cap and
hand-tighten by turning clockwise.

Step 7: Close the top panel.

Step 8: Power up the generator using the main power switch
on the rear of the unit. Once diagnostics are complete, the
LEDs will be solid green and the generator will be ready to
deliver gas to the application. Press the front button to
supply gas to the application.

Precision SL A5 Quick INS Rev 1 PN 3303233 RSID 3374

Simple user maintenance guide

De-ionizer cartridge replacement
When to replace? Every 12 months from original installation.
Please ensure Please ensure that you change the de-ionizer (DI) cartridge as soon as you unpack the
replacement. The DI cartridge needs to be wet when installed. If the DI cartridge has dried out it will
affect generator performance. To reactivate a dry DI cartridge, submerge it upside down in deionized
water so the air inside escapes, then fit as described in the following steps.

Step 1: Press and hold the power
button for 5 seconds to shutdown
and depressurize. Now turn off the
main power switch at the back of
the unit.

Step 2: Open the top panel by
lifting gently.

Step 4: The de-ionizer cartridge
can be removed by turning the
cartridge counter-clockwise.

Step 5: Remove the de-ionizer
Step 6: Fix replacement
cartridge and replace with a fresh de-ionizer cartridge in place by
cartridge.
turning clockwise.

Step 7: Close the top panel. The
de-ionizer cartridge will need to be
changed after 12 months.

Step 3: The de-ionizer cartridge is
located in the water tank and can
be accessed by opening the top
panel.

Step 8: Power up the generator using the main power switch on
the rear of the unit. Once diagnostics are complete, the LEDs will
be solid green and the generator will be ready to deliver gas to the
application. Press the front button to supply gas to the application.

*Failure to change the DI cartridge can lead to cell damage and will invalidate your warranty