FILTER FLUSHING PROCEDURES
Filter Flushing Procedures for W9 Filter Configuration
Flushing the Filtration for the Wellsys W9 UF:
1. Install the supply water line to “Water In” bulkhead.
2. Do not plug the system into the AC socket. (No Power)
3. Remove lower front panel to access filters. Remove single screw behind drip tray, push down on
the front panel and then gently pull the panel off.
4. Remove the sediment, carbon and post filters and flush in an external flush station for 5 minutes per
filter.
5. Reinstall the filters in their original places.
6. Add a drain to the output of the last filter, turn the water on for 20-30 minutes.
a. This will flush the UF membrane and also help regulate the TDS and alkalinity in the post filters.
7. Replace lower front panel.
FLUSHING THE ENTIRE SYSTEM
During the following steps you should be checking for any leaks, loose fittings, hot water, cold
water and production rate.
See next Section- Final inspection.
1. Turn the water to the system on, plug the system in and let the reservoir fill. RO systems will fill in
one to two hours and UF systems will fill in 5 to10 minutes.
2. Wave hand over “Dispense” to ensure water dispenses from cold, wave hand over “Hot Select”
and ensure dispense light changes Red. Wave hand over dispense again while the dispense
light is red and ensure hot water dispenses.
3. Drain cold water into container using the dispense nozzle. Activate touchless dispense sensor
until water flow ceases. Water will stop dispensing after 45 seconds. Active again until cold tank
is drained.
4. Located behind the front panel is a hot tank drain that will drain the hot and about half of the
cold tank. Holding a bucket under the drain, remove drain cap and allow the system to drain until
water flow stops. Replace drain cap.
5. Repeat steps 1 through 4.
6. Allow system to fill.
7. Turn hot switch located on back of unit to “ON” position.
8. Allow unit to sit for 2-3 hours to fill and reach optimal operating temperature.
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