Care and Maintenance
72 Operating Instructions Arium
®
Comfort I, Comfort II
t Select whether you would like to switch off your Arium
®
Comfort system.
Yes: Depressurization takes place. Follow the instructions on the
display and the steps described in Chapter 9.13.
No: The system switches to operating mode.
9.8 Replace UV Lamp (only systems with
The UV lamp eliminates residues from organic contaminants and TOC. The
UV lamp consists of a quartz glass tube with an integrated mercury lamp.
The mercury lamp is subject to ageing and must be replaced at regular
intervals. A warning message to replace the UV lamp will automatically
appear in the display after the 1-year interval expires.
Sartorius recommends replacing the UV lamp once a year. If the replace-
ment interval exceeded, specification-compliant water quality is no longer
guaranteed.
WARNING
Remove the plug from the electrical outlet prior to changing the UV bulb.
CAUTION
Hot lamp
Allow a defective UV bulb to cool off before removing it.
CAUTION
Harmful radiation
Ultraviolet radiation is harmful to the eyes and skin. Do not look at the lamp
directly when it is energized.
There is no menu item in the Care menu for replacing the UV lamp. To
replace the UV lamp, proceed as follows:
t Perform depressurization (see Chapter "9.13 Depressurization",
page 79) and then switch off the device.
t Open the device door.
t Carefully pull out the connection cable to the UV lamp (1) (the cable is
extra-long).
t Push the ultrapure water cartridge to the side and place a large
collection vessel (e.g. small bucket) under the black cover of the
UV lamp (2) (to collect any draining water).
Care r Backflushing
Backflushing complete
Do you want to switch off
the device?
No Yes
1
2
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