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vwr.com I Instruction manual VWR® G Water System
buckles shown as the yellow circle in the right side picture below.
Note
: The direction of inlet filter are shown as the red arrow.
f) Remove the inlet filter and screw out the cap in the red circle below.
g) Clean the Strainer in the red circle below by tap water, then reinstall the strainer back
into the inlet filter, and reinstall the inlet filter back into the VWR G main system.
Note
: Please confirm the inlet filter needs to be placed in the right direction.
5.4.9 Cleaning the PE Tank
Warning!
NaOH is a strong corrosion agent which may harm the body. Be careful to protect yourself
when cleaning the tank
.
a)
Switch the system to Standby mode when the tank is full (100%).
b)
Prepare 0.1 M NaOH using analytical grade NaOH (120 g NaOH for the 30-L tank, and 240
g for the 60-L tank). Dissolve in 1 L pure water, and then pour into the water tank. Gently
mix.
c)
Soak the tank overnight.
d)
Take out the 8 mm PE tubing and connect it to the drain outlet of the tank, put the other end
into the drain.
