Pentair FLECK NXT Manual de usuario

FLECK NXT

OWNER’S MANUAL

waterpurification.pentair.com

MANUAL OVERVIEW

How To Use This Manual

This owner’s manual is designed to provide the equipment owner with instructions on performing routine care

and maintenance of the water softener or filter valve and control packaged with this manual.

This manual does not include instructions regarding installation, setup, service, or troubleshooting of the

valve, control, or other components of a water conditioning system. Please contact your local water treatment

professional with questions or concerns about the operation or performance of your water conditioning

system.

Icons That Appear In This Manual

WARNING:

Failure to follow this instruction can result in personal injury or damage to the equipment.

NOTE: This will make the process easier if followed.

General Warnings

WARNING:

There are no user-serviceable parts in the AC adapter, motor, or controller. Do not attempt to

remove or repair individual components.

WARNING:

Use only the power transformer supplied with this water conditioning system.

WARNING:

The power outlet must be grounded and always on. If it is necessary to disconnect power,

unplug the AC adapter from its power source.

WARNING:

Only fill the brine tank with salt designed for water softening.

WARNING:

Ambient temperature surrounding the system should be between 35°F (1°C) and 120°F

(49°C).

WARNING:

Unless equipped with hot water components water temperature flowing through the system

should be between 35°F (1°C) and 100°F (38°C).

Congratulations on the purchase of your new water

conditioning system featuring the NXT electronic

controller.

You will have peace of mind knowing your system will

bring you years of treated water use and enjoyment.

Your water conditioning system helps you:

Eliminate:

• Stains

• Scale Deposits

• Soap Scum

• Clogged Plumbing

• Dissolved Minerals

Enjoy:

• Longer lasting appliances (up to 30% longer)

• Less detergent / soap / cleanser use

• Greater lathering of soap

• Cleaner dishes, towels, and linens

• Softer skin

FEATURES OF YOUR WATER CONDITIONING SYSTEM

California Proposition 65 Warning

WARNING:

This product contains chemicals known to the State of California to cause cancer or birth

defects or other reproductive harm.

2 • Fleck NXT Owner’s Manual

FEATURES OF THE NXT CONTROLLER

• On-screen multilingual support: English, French, German, Portuguese, Spanish

• Time of day super capacitor backup for power loss

• Two-line/ 16 character full text LCD backlit display

• Shift button allows digit selecting

• LED Status indicator

• Blue: In service

• Flashing Blue: Regeneration Queued

• Green: Regeneration

• Flashing Green: Standby

• Red: Error with codes

System

Number

Valve

Address

Valve State

Flow

Indicator

Time

of Day

Shift Button

Adjusts Values to the Left

Up Button

Adjusts Values Up

Down Button

Adjusts Values Down

Volume Remaining

Status LED

Display Screen

Diagnostic Button

Extra Cycle Button

Fleck NXT Owner’s Manual • 3

SETTING TIME OF DAY AND

INITIATING A MANUAL

REGENERATION

Setting the Time of Day

1. Press and hold either the Up or Down button for

two seconds.

2. Press the Shift button to select the digit you want to

modify.

3. Press the Up or Down button to adjust the value.

4. Press the Extra Cycle button to return to the normal

display screen, or wait for a five second timeout.

Queueing a Regeneration

1. Press the Extra Cycle button. The Display Screen

will show “RGQ” as the valve status, indicating that

a regeneration is scheduled..

2. To cancel a queued regeneration, press the Extra

Cycle button.

Regenerating Immediately

Press and hold the Extra Cycle button for five seconds.

Figure 1 Up and Down Buttons

Figure 2 Shift Button

Figure 3 Extra Cycle Button

WARNING:

Before entering User Programming,

please contact your local water treatment

professional. For complete programming options,

refer to Master Programming Flow Chart.

Enter User Mode

• Press and hold the Up or Down buttons for 5

seconds.

Set Language Option

• Press Up or Down to select language.

• Press the Extra Cycle button to proceed to the

next step.

Set Feed Water Hardness

Press the Shift, Up, and Down buttons to move the

cursor and change the value of the numbers.

Press the Extra Cycle button to proceed to the next

step.

NOTE: Only displayed when a metered option is

chosen under System Type.

Set Regeneration Day Override

• To turn On and set the days, press the Down

button.

• Press the Shift, Up, and Down buttons to move

the cursor and change the value of the numbers.

• Press the Extra Cycle button to proceed to the

next step.

Regeneration Time

• Press the Shift, Up, and Down buttons to move

the cursor and change the value of the numbers.

• Press the Extra Cycle button to end user

programming mode.

USER PROGRAMMING

Figure 4 Select Language Screen

Figure 5 Feed Water Hardness Screen

Figure 6 Regeneration Day Override Screen

Figure 7 Regeneration Time Screen

4 • Fleck NXT Owner’s Manual

A bypass should be installed on all water conditioning

systems. A bypass isolates the conditioner from the water

system and allows unconditioned water to be used while

the conditioner is undergoing service or maintenance

procedures or if the conditioner is experiencing

performance issues. Figures 8 and 9 show the most

common bypass methods.

Knob Style Plastic Bypass Valve

This type of bypass is located directly behind the conditioner

valve on top of the media tank. To bypass the conditioner

system using this type of bypass, turn both of the knobs

on the sides of the bypass clockwise until the holes in the

knobs are facing up as shown in Figure 8 Knob Style Plastic

Bypass Valve.

To return the conditioner system to regular service, turn

both of the knobs on the bypass counter-clockwise back to

their original positions.

Manual Bypass

This type of bypass system is plumbed into the water

system, and generally consists of three valves: one on the

inflow line going into the conditioning system, one on the

outflow line coming out of the conditioning system, and one

on the bypass line connecting the inflow and outflow lines

(See Figure 9 Manual Bypass).

To bypass the conditioner system using this type of bypass

(following Figure 9 Manual Bypass), open Valve 2 and close

Valves 1 and 3.

To return the conditioner system to regular service, open

Valves 1 and 3 and close Valve 2.

BYPASSING THE WATER CONDITIONING SYSTEMBYPASSING THE WATER CONDITIONING SYSTEM

Figure 8 Knob Style Plastic Bypass Valve

Figure 9 Manual Bypass

Fleck NXT Owner’s Manual • 5

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

6 • Fleck NXT Owner’s Manual

TROUBLESHOOTING

Detected Errors

If a communication error is detected, an Error Screen will alternate with the main (time of day) screen every

few seconds.

• All units In Service remain in the In Service position.

• All units in Standby go to In Service.

• Any unit in Regeneration when the error occurs completes Regeneration and goes to In Service.

• No units are allowed to start a Regeneration Cycle while the error condition exists, unless they are

manually forced into Regeneration.

• When an error is corrected and the error no longer displays (it may take several seconds for all of the

units in a system to stop displaying the error message), the system returns to normal operation.

NOTE: During the error condition the control continues to monitor the flow meter and update the volume

remaining. Once the error condition is corrected all units return to the operating status they were

in prior to the error. Regeneration queue is rebuilt according to the normal system operation. Or, if

more than one unit has been queued for regeneration, then the queue is rebuilt according to which

one communicates first.

Message Displayed Correction

Flashing time

Power outage. Press any button to clear flashing display. See SETTING

TIME OF DAY AND INITIATING A MANUAL REGENERATION to

reset time if needed. See CONTROL OPERATION DURING A

POWER FAILURE for more information.

Detected Error = Matching Address

Contact your local water treatment professional.

Detected Error = Program Mismatch

Detected Error = No Message #X

Detected Error = E2 Reset Unit

Test Mode

Black Squares on screen

INI on screen for more than 2 minutes

CHG on screen for more than 2 minutes

Common Issues

Problem Solution

Control valve fails to regenerate Check for power outage and verify unit is plugged in. Attempt to

perform a manual regeneration. See SETTING TIME OF DAY AND

INITIATING A MANUAL REGENERATION. If problem still exists,

contact your local water treatment professional.

Water does not feel or appear soft Check salt in brine tank and ensure salt level is above water

level. If problem still exists, contact your local water treatment

professional.

Unit uses too much salt

Contact your local water treatment professional.

Loss of water pressure

Iron in conditioned water

Excessive water in brine tank

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