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Fleck 7000SXT - User Manual

Fleck 7000SXT
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Model 7000SXT
Service Manual
IMPORTANT: Fill in Pertinent Information on Page 3 for Future Reference

Questions and Answers

  • K
    Keith HuntAug 19, 2025
    Why is my Fleck 7000SXT Controller not regenerating?
    • T
      Teresa JacksonSep 12, 2025
      If your Fleck Controller isn't regenerating, several factors could be at play. First, ensure the unit has continuous electrical service by checking the fuse, plug, pull chain, or switch. If the power supply is not the issue, verify that the timer is working correctly; if it's defective, it should be replaced. Lastly, if there was a power failure, reset the time of day on the controller.
  • S
    susan81Aug 21, 2025
    How to fix hard water with Fleck 7000SXT?
    • K
      Kellie WardAug 21, 2025
      If you're experiencing hard water with your Fleck Controller, start by checking the bypass valve to ensure it is closed. Next, verify that there is enough salt in the brine tank, maintaining the salt level above the water level. Also, inspect the injector screen for any blockages and clean it if necessary. Check the brine tank fill time and clean the brine line flow control if it's plugged. If the issue persists, flushing the hot water tank may be required. Inspect the distributor tube for cracks, checking the O-ring and tube pilot. Finally, an internal valve leak could be the cause, requiring replacement of seals, spacers, and/or the piston.
  • P
    patrickrichardsonAug 23, 2025
    Why is my Fleck 7000SXT Controller using too much salt?
    • Q
      qsaundersAug 23, 2025
      If your Fleck Controller is using too much salt, begin by checking the salt usage and salt setting to ensure they are properly configured. If the salt setting is correct, the issue might be excessive water in the brine tank. Refer to the troubleshooting steps for 'Excessive water in brine tank'.
  • C
    Carmen TaylorAug 26, 2025
    What to do if I have loss of water pressure with Fleck 7000SXT Controller?
    • T
      Tammy HarrisAug 26, 2025
      If you're experiencing a loss of water pressure with your Fleck Controller, the issue might be due to iron buildup. Start by cleaning the line to the water conditioner. If that doesn't resolve the problem, clean the control and add a mineral cleaner to the mineral bed, also increase the frequency of regeneration. If you've recently done plumbing work, the inlet of the control might be plugged with foreign material; in this case, remove the piston and clean the control.
  • R
    ryan87Aug 27, 2025
    Why am I seeing loss of mineral through drain line in my Fleck Controller?
    • C
      Courtney HendersonAug 28, 2025
      If you notice a loss of mineral through the drain line of your Fleck Controller, it could be due to air in the water system. Ensure that your well system has a proper air eliminator control and check for a dry well condition. Alternatively, the drain line flow control might be improperly sized; check for the proper drain rate.
  • J
    Joseph BrownAug 30, 2025
    How to remove iron in conditioned water from Fleck 7000SXT Controller?
    • W
      William CherryAug 30, 2025
      If you find iron in the conditioned water from your Fleck Controller, it's likely due to a fouled mineral bed. Check the backwash, brine draw, and brine tank fill. Try increasing the frequency of regeneration and the backwash time to resolve this issue.
  • A
    Anthony NormanSep 1, 2025
    What causes excessive water in brine tank of Fleck 7000SXT?
    • M
      Mr. William Castaneda MDSep 1, 2025
      If there's excessive water in the brine tank of your Fleck Controller, start by cleaning the drain line flow control. If the problem persists, clean the injector and screen, as the injector system might be plugged. If these steps don't work, the timer may not be cycling, requiring a timer replacement. Also, check for any foreign material in the brine valve; if found, replace the brine valve seat and clean the valve. Lastly, inspect the brine line flow control for foreign material and clean it if necessary.
  • J
    Jacob RoweSep 3, 2025
    Why is my Fleck Controller softener not drawing brine?
    • J
      Jacob ZimmermanSep 3, 2025
      If your Fleck Controller softener fails to draw brine, first check if the drain line flow control is plugged and clean it if necessary. If the issue persists, inspect the injector for any blockages and clean it. Also, check the injector screen and clean it if plugged. Ensure that the line pressure is at least 20 psi (1.3 bar); increase it if it's too low. If none of these steps work, there might be an internal control leak, requiring you to change the seals, spacers, and piston assembly. Finally, check the drive motor and switches to ensure the service adapter is cycling correctly.
  • A
    Anita ByrdSep 5, 2025
    What causes my Fleck Controller to cycle continuously?
    • A
      Ashley SalazarSep 5, 2025
      If your Fleck Controller cycles continuously, it may be due to a misadjusted, broken, or shorted switch. Determine if the switch or timer is faulty and replace it, or replace the complete power head.
  • S
    shensleySep 7, 2025
    Why is the drain flowing continuously in my Fleck 7000SXT?
    • M
      Michael WigginsSep 7, 2025
      If the drain flows continuously in your Fleck Controller, it could be due to a valve programming issue. Check the timer program and the positioning of the control. If it's not positioning properly, replace the power head assembly. Another cause could be foreign material in the control; remove the power head assembly, inspect the bore, remove any foreign material, and check the control in various regeneration positions. Lastly, an internal control leak could be the problem, requiring replacement of the seals and piston assembly.

Summary

Job Specification Sheet

Installation Instructions

Start-Up Instructions

Timer Features

Setting the Time of Day

Procedure to set the current time of day on the control unit's display.

Queueing a Regeneration

How to schedule a regeneration cycle to occur at a later time.

Regenerating Immediately

Method to initiate a regeneration cycle on demand.

Timer Operation

Meter Immediate Control

Regenerates based on water usage as soon as system capacity is depleted.

Meter Delayed Control

Regenerates at a programmed time after system capacity is depleted.

Time Clock Delayed Control

Regenerates on a timed interval at a programmed regeneration time.

Day of the Week Control

Regenerates on a weekly schedule based on user-defined days.

Control Operation During Regeneration

Explains display information and user interaction during a regeneration cycle.

Control Operation During Programming

Details how the control operates while in programming mode.

Manually Initiating a Regeneration

Step-by-step guide to manually start a regeneration cycle.

Control Operation During A Power Failure

Describes the unit's behavior and memory retention during power outages.

Master Programming Mode Chart

Master Programming Mode

Setting the Time of Day

Procedure to set the current time of day within the programming mode.

Entering Master Programming Mode

Steps to access the master programming interface.

Exiting Master Programming Mode

Procedure to save settings and return to normal operation.

Resets

Instructions for performing soft and master resets of the unit.

Display Format

Setting the unit of measure and time display format.

Valve Type

Specifies the type of regeneration cycle the valve follows.

Control Type

Determines how the control triggers a regeneration cycle.

Number of Tanks

Configuration for single or dual tank water softener systems.

Tank in Service

Selection of which tank is active in a two-tank system.

Unit Capacity

Sets the treatment capacity of the system media in grains.

Feedwater Hardness

Input for the hardness level of the incoming water supply.

Reserve Selection

Choice between percentage safety factor or fixed reserve capacity.

Safety Factor

Sets the percentage of system capacity reserved for regeneration.

Fixed Reserve Capacity

Sets a fixed volume reserve capacity for the system.

Day Override

Sets the maximum number of days between regeneration cycles.

Regeneration Time

Specifies the time of day for regeneration initiation.

Regeneration Cycle Step Times

Adjusts the duration for each step of the regeneration cycle.

Day of Week Settings

Schedules regeneration for specific days of the week.

Current Day

Sets the current day of the week for day-of-week controls.

Flow Meter Type

Identifies the type of flow meter connected to the control.

Meter Pulse Setting

Configures the meter constant for non-standard flow meters.

User Programming Mode

User Programming Mode Steps

Guide to setting day override, regeneration time, and feedwater hardness.

Diagnostic Programming Mode

Diagnostic Programming Mode Steps

Steps to view flow rate, peak flow, hours in service, volume used, and software version.

Powerhead Assembly

Valve Assembly

Valve Assembly Parts List

Detailed list of parts for the valve assembly, including DLFC options.

Bypass Assembly

2310 Safety Brine Valve

Troubleshooting

Error Codes

Explanation of error codes and their corresponding reset and recovery procedures.

Removing Gear Box Assembly

Inserting Circuit Board

Connecting the Circuit Board

Water Conditioner Flow Diagrams

In Service Position

Diagram showing water flow path when the unit is in normal service.

Backwash Position

Diagram illustrating water flow during the backwash regeneration cycle.

Brine Position

Diagram showing water flow path during the brine draw cycle.

Slow Rinse Position

Diagram illustrating water flow during the slow rinse regeneration cycle.

Rapid Rinse Position

Diagram showing water flow path during the rapid rinse regeneration cycle.

Brine Tank Refill Position

Diagram illustrating water flow during the brine tank refill process.

Injector Flow Data

Meter Flow Data

Dimensions

Notes

Fleck 7000SXT Specifications

General IconGeneral
DisplayLCD
Inlet/Outlet1" NPT
Operating Pressure20 - 125 psi
Maximum Pressure125 psi
Bypass ValveOptional
MountingTop mount
Warranty5 years limited
ProgrammingUser-programmable
Regeneration TypeMetered or Timed
Valve Size1 inch
Brine Line Connection3/8 inch
Riser Tube Diameter1.05"
Operating Temperature34 - 120°F (1 - 49°C)
Mounting Base2 1/2" - 8 NPSM