Hydrotech ProFlo SXT Valve Downflow_Upflow Automatic Water Softeners Operation Manual - Manual (Page 7)

5
Installation Instructions Cont’d
8B. Downflow Programming
i. Plug the 24-volt transformer into a 120 VAC 60 Hz outlet. This valve has four positions: 1) Backwash
2) Brine/Rinse 3) Rapid Rinse and 4) Brine Refill. When the valve is in the Service position, the extra cycle button
(far left button as shown on Figure 4B) must be pressed and held for 5 seconds before it activates. Press and
hold the extra cycle button for 5 seconds to advance the valve into the “1” Backwash position. Slowly turn on the
water supply and allow the unit to backwash until the air purges out of the tank and clears the system.
ii. Press the extra cycle button to advance the valve to the “2” position. Press once more to advance to the “3”
position. Press once more to advance to the “4” Brine refill position. Wait until the water level reaches 6" in the
brine tank. Water can be added to the tank to speed up the filling but the valve should be in the Brine Refill
position for a minimum of two minutes to purge the air out of the injector set.
iii. Press the extra cycle button to advance the valve from the Brine Fill position through service to the “2” position
Brine/Rinse position. Verify that water is being drawn from the tank. If not, repeat step 9.
iv. Press the extra cycle button to advance the valve to the “3” Rapid Rinse position and allow water to run to drain
for 2 minutes.
v. Press the extra cycle button to advance the valve to the “4” Brine Fill position until there is 6” of water in the brine
tank. Press the extra cycle button to advance the valve back into the service position indicated by the red dot in
upper left corner of the display.
9. Press the extra cycle button to advance the valve to the service position.
10. Put a minimum of 80 LB (40 KGs) of Crystal water softener salt in the brine tank. The unit will fill to the correct level
when it regenerates automatically the next time.
Optional Sanitization Procedure: We recommend that all new water conditioners be disinfected as part of the startup.
Sanitization is achieved by the application of chlorine in the regeneration cycle of the conditioner. A liquid solution of
5.25% sodium hypochlorite (commonly referred to as household bleach) is recommended as a suitable disinfectant. Use
only unscented products. For every cubic foot of resin in the softener, pour approximately two (2) tablespoons of sodium
hypochlorite into the brine well tube. The brine tank refill in Step 11 should add the correct amount of water to the brine
tank. If not, the water can be added manually now. Press and hold the EXTRA CYCLE button to begin a manual
regeneration. Press the EXTRA CYCLE button again to advance the valve to the Brine/Rinse position. Allow softener to
complete the Brine/Rinse cycle, then let the manual regeneration continue until the brine tank is refilled again with the
correct amount of water.