CONTROL OPERATION DURING A POWER FAILURE
The NXT includes integral power backup. In the event of power failure, the control shifts into a power-saving
mode. The control stops monitoring water usage, and the display and motor shut down, but it continues to
keep track of the time and day for a minimum of 8 hours.The system configuration settings are stored in a non-
volatile memory and are stored indefinitely with or without line power.
If power fails while the unit is in regeneration, the control will save the current valve position before it shuts
down. When power is restored, the control will resume the regeneration cycle from the point where power
failed. Note that if power fails during a regeneration cycle, the valve will remain in it’s current position until
power is restored. The valve system should include all required safety components to prevent overflows
resulting from a power failure during regeneration.
NOTE: After power is restored following a power failure, time of day will flash to indicate a power
interruption. Press the Extra Cycle button to resume normal operation.
The control will not start a new regeneration cycle without line power. If the valve misses a scheduled
regeneration due to a power failure, it will queue a regeneration. Once power is restored, the control will
initiate a regeneration cycle the next time that the Time of Day equals the programmed regeneration time.
Typically, this means that the valve will regenerate one day after it was originally scheduled. If the treated
water output is important and power interruptions are expected, the system should be setup with a sufficient
reserve capacity to compensate for regeneration delays.
CARE AND USE OF YOUR BRINE TANK (IF EQUIPPED)
Each time the softener regenerates, salty water (brine) is needed to recondition the media in the water tank.
The brine is pulled from the salt tank at a controlled amount. If the salt tank does not contain enough salt, the
brine is weak, the media will not fully recondition and untreated water will pass through. To ensure the highest
level of performance of your water conditioning system, please observe the following:
• Keep the brine tank filled with salt at all times. The salt level should always be higher than the water level
in the brine tank.
• Only use sodium chloride salt designed for water softeners. Other types of salt (rock or snow melting)
may contain dirt and chemicals that will affect the quality of your water and the performance of your
water softener.
• Keep the brine tank covered.
• Empty and clean the tank when enough debris accumulates interfering with operation of system.
• Water filters do not have brine tanks
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Fleck
NXT Owner’s Manual
