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Pentair Logix 700 Series - User Manual

Pentair Logix 700 Series
64 pages
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740/760 Control
255 and Performa Series
Valves (268, 268FA)
Operation Manual
For Sales & Service questions please
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Questions and Answers

  • J
    Joanne ThompsonAug 18, 2025
    How to reset Pentair Logix 700 when ERR 1 is displayed?
    • K
      Karen TurnerAug 18, 2025
      ERR 1 is displayed when the controller power has been connected and the control is unsure of the state of operation. Press the UP arrow and the control should reset.
  • Y
    yjenningsAug 20, 2025
    What to do if my Pentair Controller brine tank overflowed?
    • R
      robinsonkathrynAug 20, 2025
      A brine tank overflow can be caused by an uncontrolled brine refill flow rate, an air leak in the brine line to the air check, or a drain control clogged with resin or other debris. To address this, first remove the brine control to clean the ball and seat. Then, check all connections in the brine line for leaks, referring to the instructions. Finally, clean the drain control to remove any blockages.
  • E
    Emily GonzalezAug 23, 2025
    Why won't my Pentair Logix 700 Controller draw brine?
    • J
      Jessica DiazAug 23, 2025
      If the control is not drawing brine, it could be due to low water pressure or a restricted drain line. Other potential causes include a plugged or defective injector, valve discs not closed, or the air check valve closing prematurely. You can make the correct setting according to the instructions to fix low water pressure and remove any restriction in the drain line. Also, clean the injector and screen. If needed, remove foreign matter from the disc and check disc for closing by pushing in on stem. If the air check valve is closing prematurely, put the control momentarily into brine refill, C8.
  • M
    Mark RobinsonAug 26, 2025
    What should I do if my Pentair Logix 700 valve won't draw brine?
    • J
      Judy HernandezAug 26, 2025
      If the valve won't draw brine, it may be caused by low water pressure, a restricted drain line, a plugged or defective injector, or the air check valve closing prematurely. To fix this, set the pump to maintain 20 psi at the softener and change the drain to remove any restriction. Also, clean the injector and screen. For the air check valve, put the control momentarily into brine/slow rinse, C2.
  • N
    Nancy MorrisonAug 28, 2025
    What causes no water flow display when water is flowing on a Pentair 760 controller?
    • E
      Edward McdanielAug 28, 2025
      If there is no water flow display when water is flowing on a 760 controller, it could be due to the bypass valve being in bypass, the meter probe being disconnected or not fully connected to the meter housing, or restricted meter turbine rotation due to foreign material in the meter. Shift the bypass valve to the not-in-bypass position and fully insert the probe into the meter housing. Remove the meter housing, free up the turbine, and flush it with clean water.
  • S
    Samantha MendezAug 30, 2025
    How do I fix my Pentair Logix 700 that regenerates at the wrong time of day?
    • K
      Kimberly WarrenAug 30, 2025
      If the control regenerates at the wrong time of day, it is likely that the controller is set incorrectly. Correct the time setting according to the instructions.
  • B
    Brian MillerSep 2, 2025
    Why is there no conditioned water after Pentair Controller regeneration?
    • A
      April LambertSep 2, 2025
      The absence of conditioned water after regeneration can be due to no regenerant in the regenerant tank, a plugged injector, or the air check valve closing prematurely. To resolve this, add regenerant to the regenerant tank and clean the injector and screen. If the air check valve is closing prematurely, put the control momentarily into brine/slow rinse, C2.
  • K
    Kristi BrownSep 4, 2025
    Why is my Pentair Logix 700 system using more or less salt than the regenerant setting?
    • C
      christopher17Sep 4, 2025
      If the system is using more or less salt than the regenerant setting, it could be due to foreign matter in the valve causing incorrect flow rates. Remove the brine control and flush out the foreign matter. Advance the control to brine/slow rinse, C2, to clean the valve, and then position the control to "fast rinse, C7” to remove regenerant from the tank.
  • E
    Edgar SmithSep 7, 2025
    What to do if Pentair Logix 700 Controller will not regenerate automatically?
    • T
      terryjamesSep 7, 2025
      If the control will not regenerate automatically, it may be because the AC adapter or motor is not connected, or the motor is defective. Connect the power and if that doesn't work, then the motor is defective.
  • B
    Bryan JohnsonSep 9, 2025
    What to do if ERR 3 is displayed on my Pentair Logix 700 Controller?
    • W
      William ClarkSep 10, 2025
      If ERR 3 is displayed, it means the controller doesn't know the position of the camshaft, which should be rotating to find the Home position. Wait for two minutes for the controller to return to the Home position; the hourglass should be flashing on the display, indicating the motor is running. If the camshaft is not turning, check that the motor is connected and that the motor wire harness is connected to the motor and controller module. Also, verify that the optical sensor is connected and in place and that the motor gear has engaged the cam gear. If the camshaft is turning for more than five minutes, verify that the optical sensor is in place and connected to the wire, that the camshaft is connected appropriately, and that no dirt or rubbish is clogging any of the cam slots.

Summary

LOGIX SERIES INSTALLER QUICK-START SHEET

Logix Series Controllers

Identifies different controller models (740, 760) and their functions for water conditioners.

Initial Power-up

Describes the initial power-on sequence, camshaft movement, and self-test procedures.

Initial Start-up Step-by-step Instructions

Guides the user through programming system size, time, date, and regeneration settings.

EQUIPMENT INSTALLATION

General Warnings And Safety Information

Covers crucial safety guidelines for electrical, mechanical, and general installation procedures.

Location Selection

Outlines requirements for choosing an appropriate installation site, including space, level surface, and utilities.

Drain Line Connection

Provides detailed instructions and requirements for connecting the drain line, including sizing and elevation.

Electrical Connection

Covers AC adapter options and requirements for powering the controller unit.

SYSTEM DISINFECTION

Disinfection Of Water Conditioners

Provides methods and dosages for disinfecting the water conditioner unit using hypochlorite solutions.

GENERAL 700 SERIES INSTRUCTIONS

Initial Start-Up Programming Steps

A detailed guide for programming system size, time, date, and regeneration parameters for optimal operation.

DISPLAY ICONS 700 CONTROLLER

Display Icons

Explains the meaning and function of various icons shown on the controller's LCD display during operation and programming.

KEYPAD - Buttons

Details the function of each button on the controller keypad for navigation, selection, and regeneration initiation.

Regeneration Modes

Describes how to initiate and manage the system's regeneration cycles automatically or manually.

PLACING CONDITIONER INTO OPERATION (turning on the water)

Conditioner and FA Filter Start-Up

Step-by-step instructions for putting the water conditioner into operation after installation and initial power-up.

PROGRAMMING THE 700 FOR 5-CYCLE FILTER APPLICATIONS

Manganese Greensand Systems

Specific guidance on programming for manganese greensand filters, including sizing, backwash, and salt settings.

Volume;Demand Regeneration Setting

Instructions for setting up demand regeneration for iron removal based on water analysis and system capacity.

VALVE SERVICE

TROUBLESHOOTING

700 Series Controller Troubleshooting

Lists common error codes (ERR 1-3) and their possible causes and solutions for the 700 Series controllers.

System Troubleshooting

Provides a table of common system problems, their possible causes, and recommended solutions for water conditioners.

Pentair Logix 700 Series Specifications

General IconGeneral
BrandPentair
ModelLogix 700 Series
CategoryController
LanguageEnglish

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