A.O. Smith Pro AOW-S400 Owner's Manual page 13

INSTALLATION GUIDE
2
Flush Lines
7
1 Place water softener in Bypass position.
Turn on main water supply.
2 Turn on nearest cold water faucet to flush
plumbing of any excess soldering flux,
air, or any other foreign material. Return
water softener to Service position.
NOTICE: To prevent untreated water from
entering your home, avoid using water inside
your home when water softener is in Bypass
position. Remember to return to Service
position when you have finished flushing the
system or using untreated water.
Service Position
Plug in the Transformer
9
1 Ensure the sensor wire and motor wire
are connected, then plug the transformer
power cord to the back of the controller.
(see Connecting Power)
2 Plug the transformer into an appropriate
outlet. Ensure the outlet selected is not
operated by an On/Off switch.
3 Program the water softener controller in
the next step.
Bypass Position
Check for Leaks
8
Turn off all faucets. Check all lines and
connections for leaks.
If leaks are found:
• Turn off the main water supply.
• Turn on cold water faucet to depressurize
the lines.
• Turn off the faucet to eliminate any
siphoning action.
• Repair all leaks.
• Turn on the water supply.
• Place bypass in Service position to slowly
fill media tank. (see image)
• Turn on cold water faucet to purge air
out of media tank.
• Turn off the faucet and recheck for leaks.
Connecting Power
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