Commodity Axis ViaAqua EF-4000 UVC Manuel - Page 9

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3. U VC unit:

* Plug the UVC sterilizer ballast into a GFCI outlet only.

* Blue indicator light is on when the UVC unit is working.

BACKWASH OPERATION

Backwashing filter should be performed at least once a week. A filter installed on an

exiting pond will require more frequent cleaning.

The filter needs to be cleaned when: - Dirty/cloudy water is in the filter.

1. R emove the cap from the backwash/drain port.

2. C onnect a barbed fitting with a piece of tubing and secure with a hose

clamp.

3. T o activate backwash, turn off the

pond pump and switch the flow control

knob so that the arrow points to the

backwash/drain discharge port.

4. T urn the pond pump back on.

5. D rain the water into a

sewage system or garden.

Note: The cleaning system is using

pond water. Refill the pond with de-

chlorinated water.

- Reduced water flow.

Point knob to

the backwash port