MAINTENANCE
27
[13]
If the system indicates “TankS” message, check
section TROUBLESHOOTING in this manual for
further actions
[14]
- If the tank is in filling stage or it is already
full, the system will circulate water on
periodical basis to prevent growth of
microorganisms in the tank;
- During recirculation phase the reading of
Grade I water is shown on the display
Crystal EX can operate for an unlimited amount of time, maintaining Grade II water quality,
and does not require close observation during operation. However, it is necessary to shut off
water supply valve when the system is not under observation.
MAINTENANCE
Maintenance schedule
Only the replacement components that meet the manufacturer’s specifications should be used.
Components have to be replaced according to the table:
Part
number
Description Replacement interval Comments
10320 Replacement pre-filter,
Crystal EX
When filter life counter is
zero or when the filter is
clogged
10310 Replacement deionization
module
When “DI Err” error
message is shown, or when
water conductivity is
consistently >0.5 μS/cm
10030 Replacement polishing
module
When water does not meet
quality requirements or
every 1–2 years
Depends on water
consumption amount
10011 Replacement sterilization
UV bulb
As required (on average
every 2 years)
“Bio” configuration only
10018 Replacement
photooxidation UV bulb
2 years on average “HPLC” and “Bio”
configuration only
10012 Replacement 0.22 µm
dispense microfilter
Every 6–12 months “Trace” and “HPLC”
configuration only
10120 Replacement ultrafilter Every 3–6 months “Bio” configuration only
Sanitization of the System/
Tank
Every 2–3 months Only if sanitization module
(part no. 10315) is not
installed
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