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vwr.com I Instruction manual VWR® G Water System
5.3 System Cleaning
5.3.1 Cl Cleaning
Cl cleaning is recommended once a year and it takes 20 minutes to complete.
a)
Switch the system to Standby mode and remove the left side panel.
b)
Remove the P Pack cartridge.
c)
Install the Cleaning Pack (come with each new system). Need to add one chlorine pill in to the
Cleaning Pack.
d) Tap
Cleaning & Sanitization
on page 3 to enter setup menu.
e) Click
Start
to enter cleaning process. Choose
Yes
on the pop-up dialog.
f)
System will be back to Standby mode after Cl cleaning stops.
g) Remove the Cleaning Pack and install P Pack back.
h) Switch the system to Ready mode.
5.3.2 pH Cleaning
pH cleaning is recommended for the following situations and it takes 90 minutes to complete.
1. RO water production rate decreased significantly;
2. RO rejection rate is significantly reduced.
pH cleaning are divided into acid cleaning and alkali cleaning. The acid cleaning is used to remove