Thermo Scientific Smart2Pure Pro, Installation And Operation Manual

Page: 43 / 57

38 | Maintenance Smart2Pure Pro Ultrapure water system
off at 100%, and on at 70%. Refer to OEM Menu
Settings,
Table 3
in the section
System Control
for
information on Float Switch settings (ON/OFF/EMPTY).
3. Pour bleach into top of tank.
Note:
For bleach concentration volume refer to
Table 5
to use for disinfection based on storage tank volume”.
4. a Let system run in Dispense Mode until display shows
that the storage tank is 100% and remain on for 1
additional hour.
Note:
The system may give a “Pure.w.lim” alert.
b. Drain the tank by opening valve on front of tank.
Figure 44. Draining the tank
5. Turn Smart2Pure Pro system off.
6. If necessary, replace RO cartridge (refer to the section
Replacing the RO Cartridge
)
Note:
If replacing RO cartridge, keep disinfection adapter
in place until RO rinsing is completed.
7. Replace the pretreatment filter elements if necessary.
8. Remove disinfection adapter if added in step 1.
Figure 45. Uninstalling the quick connectors
Install new ultrapure cartridge and final filter.
9. a Change float switch back to original setting if
necessary. Refer to OEM Menu Settings,
Table 3
in
the section
System Control
for information on Float
Switch settings (ON/OFF/EMPTY).
b. Change “Recirc interval” time back to original settings
if changed in step 2.
10. Turn system on and empty and refill the tank 2x to rinse
storage tank.
Note:
Chlorine test strips can be used to test water for
presence of residual chlorine. Repeat tank rinsing if
necessary.
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.
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
cartridge
(refer to the section
Replacing the Ultrapure
Cartridge
and
Replacing the RO Cartridge
).
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 (refer to
Figure 46
).
Figure 46. Ultrafilter installation plate
d. Unscrew the threaded connection screws by hand
on the ¼” 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.
Front Tank
Valve
Quick Connectors
ID Cartridge
Disinfection Adapter
Item No: 50133431
UV Lamp
Screws
Mounting
Plate