How to replace the final filter, Ion how to replace the final filter, Troubleshooting – Labconco WaterPr BT Systems 90151 Series User Manual
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How to Replace the Final Filter
The Final Filter is normally replaced when the Filter Pack cartridge 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 cartridge 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. 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. 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 Liter 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