How to replace the final filter, Ion how to replace the final filter, Maintenance – Labconco WaterPr BT Systems 90153 Series User Manual
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How to Replace the Final Filter
The Final Filter is normally replaced when the Filter Pack is replaced or at an earlier time if it becomes clogged. A
clogged Final Filter can reduce the Product Water flowrate.
ATTENTION
Make sure the Filter Pack has been hydrated overnight.
A
•
Remove the used Final Filter.
•
Screw the new Final Filter onto the end of the POU Dispenser.
The Final Filter should be turned until it is hand tight (A).
Do not over tighten the Final Filter.
ATTENTION
Do not use white tape on the threads of the Final Filter. The POU Dispenser has
an O-ring inside which provides a watertight seal.
B
•
Locate the air vent valve on the top side of the Final Filter. Open this
slowly but do not remove it from the Final Filter. Allow any air on
the clear side of the Final Filter to be vented out.
ATTENTION
Air will not pass through the membrane filter in the Final Filter. If there is
trapped air, then a reduction in Product Water flowrate can result.
•
Dispense about 1 L of water. Make sure all air is purged out.
•
Press the Dispensing Button once again. The system will finish
dispensing water.
•
Leave the system in FILLING TANK mode.
The Water System is now ready for use.
At this time, it is highly recommended to recalibrate the Product
Water flowrate.
See Section How to Calibrate the Flowrate from the