VWR Puranity TU 12 UV+, Instruction Manual

Page: 65 / 84

VWR Puranity TU+ |
57
Maintenance |
Chapter 13
3 a. Pull the ultrafilter out of the
mounting bracket.
b. Mark the position of the bottom
fitting before you remove them. Use
the open-end wrench size
17mm/0.67 inch to unscrew the
bottom fitting on the ultrafilter.
4
NOTE!
When you install a new ultrafilter ensure that
the arrow on the filter corresponds to the
direction of flow through the filter (it must
point upward).
a. Take the new ultrafilter and wrap the
bottom threads in Teflon strip
(roughly 3 times around).
b. Take the fitting that you unscrewed
in step 3b and screw the fitting into
the same position that it was on the
old ultrafilter. Use the 17mm/0.67
inch open-end wrench for this.
c. Screw on the measuring cell and
insert the tubes into the top and
bottom connection for the ultrafilter
and screw the fittings securely into
place.
d. Insert the ultrafilter back into the
mounting bracket and screw back
the UV assembly into place (see
Step2c).
e. Replace the cover on the system,
open the feedwater tap and switch
the system on (connect main power
supply). Dispense the first 5 L of
water.
Step Action Figure
a.)
b.)
Ultrafilter
Mounting
bracket
UV lamp
Fitting
Ultrafilter
Open-end wrench
a.)
Ultrafilter
Teflon tape
b.)
Threaded
connection
Ultrafilter
c.)
Ultrafilter
UV lamp
Mounting
bracket
Fitting