F
Rinse under pressure with 0.5 M NaOH.
G
Recirculate with 0.5 M NaOH for two hours.
H
Neutralize with water of desired quality.
Note:
For improved cleaning effect, the 0.5 M NaOH solution may be heated to
50°C prior to pouring it to the tank.
A – Drain the system
To drain the system, follow the steps below.
Step
Action
1
If any optional pumps are installed, disconnect the transfer pump tubing
and/or the permeate pump tubing from the pumps.
2
Run the feed pump at low speed. Drain the system through lower drain valve.
B – Rinse with water
To rinse the system with water, follow the steps below.
Step
Action
1
Fill the tank with water.
2
Drain the system.
9 Maintenance
9.2 Sanitization and cleaning
170
ÄKTA flux s Operating Instructions 29046893 AG