VWR Puranity TU 12 UV+, Instruction Manual

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Puranity TU+ VWR
Chapter 13
Changing the ultrafilter
NOTE!
You will need the following tools for replacing the ultra-filter:
Open-end wrench, size 17, Phillips screwdriver and Teflon tape.
Step Action Figure
1 Switch the system off (unplug main power
supply).
2 a. Remove the cover from the system.
b. Take out the ultrapure cartridge and
RO/pretreatment cartridge (see
“Replacing the ultrapure cartridge”
on page 50 and “Replacing the
RO/pretreatment” on page 52).
c. Use the Phillips screwdriver to
unscrew the screws from the
bracket for the UV lamp and pull the
UV assembly out toward the front.
d. Unscrew the threaded connection
screws by hand on the d1/4“ fittings
of the ultra-filter and pull the tubes
out. Disconnect the fitting on the
upper side from the ultra-filter. Twist
the ultrafliter to turn out the
measuring cell from the upper side
from the ultrafilter.
NOTE!
Ensure that the white O-rings on the 1/4“
inch tubes are not lost in the process. You
will need these again for re-attaching the
tube.
c.)
d.)
UV lamp
Mounting plate
Threaded
connection
fitting
Fitting
Screws
Ultrafilter
Measuring cell