Thermo Scientific Barnstead GenPure with xCAD
Ultrapure water system
52
13.2 Replacing the filter cartridge
The filter cartridge is to be replaced when the maximum limiting value
that you have set for the ultra pure water is exceeded or when the "New
Filter cartridge" message is shown in the display.
Proceed as follows to replace the filter cartridge:
1.
Shut off the supply of feedwater.
2.
Press the press button on the xCAD for water dispensing until no more water
emerges and push it again to stop dispensing.
3.
Switch the system off.
4.
Remove the cartridge cover.
5.
Take off the quick-conects from the feed and ultra pure water sides of the filter car-
tridge and close the connectors with the stoppers you have saved.
6.
Draw the spent filter cartridge out from the guide and push the new filter cartridge in.
7.
Remove the stoppers from the new filter cartridge and save them.
8.
Fit the quick connects to the filter cartridge so that they audibly click into position.
9.
Replace the cartridge cover.
10.
Open the supply of feedwater.
11.
Switch the system on.
12.
Dispense and discard at least 5 litres of water.
13.
To set the operating time counter of the filter cartridge back to zero, enter the serial
number that is given on the filter cartridge as is described in "Filter cartridge operating
time counter" section.
Caution:
To do this, the system must be unlocked, as is decribed in the "Unlocking
the system" section.
Switch the system to the "Rinsing" operating mode to vent air out of it.
