Watts OF948-16 - Manual (Page 5)

5
Installation and Start-up
1. Place the system in the desired location.
2. Connect the cold water supply to the inlet of the OneFlow
®
system.
NOTE: The OneFlow ® system operates in the UP-flow mode
which is opposite of a conventional softener.
3. Place a bucket under the outlet port or run a line from the
outlet port to a drain.
5. Slowly open the supply valve (user supplied) to the
OneFlow ® system. Allow the tank to fill with water. Close the
supply valve when a steady stream of water comes out of
the outlet port.
6. Connect the outlet of the OneFlow ® system to the cold
water supply of the building.
7. Open the supply valve to the OneFlow ® system.
8. Open faucets downstream from the OneFlow ® system to
relieve any air.
9. Check for leaks. Repair as needed.
10. The system is now ready for service.
IN
Cold Water
OUT
OneFlow ® Treated Water
Figure 1.
Model OF844-12 shown with
optional bypass assemby.
Service Position
down-flow tank.
As shipped, the bypass is set-up for down-
flow use. The arrow shape of the handles
points in the wrong direction for UP-flow
use. To convert it to UP-flow use, pull up on
the red handles until they come off. Rotate
the handle 180° and put it back on the valve
stem.
Service Position
UP-flow tank.
Bypass Position
UP-flow tank.
Bypass Valve Modification