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Autotrol 255-960 - User Manual

Autotrol 255-960
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Water Conditioning Control System
Operation and Maintenance Manual
Series 255 Valve / 960 Control
®

Table of Contents

Questions and Answers

  • F
    Frank SteeleAug 3, 2025
    Why is there hard water at the tap with my Autotrol 255-960 Control Unit?
    • C
      colejohnAug 3, 2025
      If you find hard water at the tap when using your Autotrol Control Unit, it could be due to several reasons. First, check if there is enough salt in the salt storage tank; if it's low or empty, refill it and manually start a regeneration cycle. Also, verify that the salt setting is appropriate for your water hardness and usage. If the unit didn't regenerate, check the power supply. A plugged injector can also cause this issue; clean the injector and screen. Lastly, the air check valve might be closing too soon; inspect and replace or repair it if needed, and check the brine line connections.
  • M
    Mackenzie MillerAug 9, 2025
    What to do if the brine tank overflows with my Autotrol Control Unit?
    • J
      James RobertsAug 9, 2025
      If your Autotrol Control Unit brine tank is overflowing, it could be due to a few reasons. The brine valve disc 1 might be held open; manually operate the valve stem to clear any foreign matter. Also, valve discs 2 and/or 3 might not be closing during brine draw, causing a refill; manually operate those valve stems as well. Check the brine line for air leaks leading to the air check. Finally, the salt setting might be too high; refer to the provided table for suggested settings.
  • K
    kgutierrezAug 15, 2025
    Why does my Autotrol 255-960 Control Unit not draw brine?
    • L
      Lauren WilliamsAug 15, 2025
      If your Autotrol Control Unit does not draw brine, it could be due to several reasons. Low water pressure could be the cause, so try increasing it. A restricted drain line can also prevent brine draw, so remove any obstructions. Check the injector and screen for blockages and clean them if necessary. Valve discs 2 and/or 3 might not be closed; manually operate the valve stem to flush out any foreign matter. Lastly, the air check might be closing prematurely, so inspect and replace or repair it if needed, and check the brine line connections.
  • G
    gwilsonAug 20, 2025
    Why is my Autotrol 255-960 Control Unit using more salt than the setting?
    • M
      morgan12Aug 20, 2025
      If the Autotrol Control Unit is using more or less salt than the salt setting indicates, it is likely due to an inaccurate setting. Correct the salt setting according to the instructions.
  • B
    bryan34Aug 27, 2025
    How to fix loss of power in Autotrol Control Unit?
    • B
      Brooke RamirezAug 27, 2025
      If your Autotrol Control Unit has lost power, ensure the transformer is plugged in. Also, check for blown fuses, open circuit breakers, or switched-off circuits, and correct any electrical issues.

Summary

Introduction

Special Features

Details of special features like memory retention and design reliability.

General Conditioner Information

Explains how the water conditioner works and its components.

Model 960 Control Front Panel

Identifies the main components of the control panel.

Control Settings

General Information

Explains how to use programming buttons to change settings.

Time of Day Clock

Instructions on how to set the time of day for the control.

Time of Regeneration

Details on setting the time for automatic regeneration.

Hardness Setting

How to set water hardness for regeneration calculations.

Salt Setting

Information on setting the amount of salt used for regeneration.

Capacity Setting

How to set the capacity for water conditioning between regenerations.

Water Conditioner Operation

Regeneration Process

Explains the process and triggers for water conditioner regeneration.

Automatic Regeneration

Explains how the control decides when to regenerate automatically.

Manual Regeneration

Instructions on how to manually force a regeneration cycle.

Water Conditioner Maintenance

General Maintenance

General advice on checking salt levels and tank maintenance.

Cleaning the Injector;Injector Screen

Step-by-step guide for cleaning the injector and screen.

Maintaining the Drain Line

Guidance on ensuring the drain line remains clear and functional.

Manual Valve Operation

How to manually operate the valve for service.

Additional Features

12 or 24-Hour Clock Setting

Explains the option for setting a 12 or 24-hour clock.

U.S. or Metric Units of Measure

Details on selecting U.S. or metric units for settings.

Calendar Override Feature

Explains the feature that forces regeneration after a set number of days.

Immediate Regeneration Feature

Describes the option to regenerate when capacity reaches zero.

Disinfection Procedures

Sodium Hypochlorite Disinfection

Recommends and details the use of sodium hypochlorite for disinfection.

Calcium Hypochlorite Disinfection

Recommends and details the use of calcium hypochlorite for disinfection.

System Components and Parts

Valve Body and Tank Adapter Module

Illustrates the valve body and tank adapter module parts.

Valve Body and Tank Adapter Module Parts List

Lists part numbers and descriptions for the valve body module.

Bypass Valve, Piping Boss, and Meter Adapter Diagrams

Diagrams of bypass valve, piping boss, and meter adapter assemblies.

Control Unit and Transformer Diagrams

Diagrams of the 960 control unit and wall-mount transformer.

Bypass Valve, Piping Boss, and Meter Adapter Parts

Lists part numbers and descriptions for bypass valve, piping boss, and meter adapter.

Timer and Transformer Parts

Lists part numbers and descriptions for the electronic timer and transformer.

Troubleshooting

Alarms

Details system alarms, error codes (Err1-Err4), causes, and solutions.

Specifications

Glossary of Terms

Alarms

Defines what alarms are and how they are indicated.

Backwash

Explains the backwash process in water conditioning.

Brine

Defines brine and its role in regeneration.

Brine Draw

Explains the process of drawing brine from the tank.

Calendar Override Regeneration

Defines the calendar override regeneration feature.

Fast Rinse (Purge)

Defines the fast rinse (purge) process.

Hardness

Defines water hardness and its measurement.

Manual Regeneration (Guest Cycle)

Defines manual regeneration and the guest cycle.

Regeneration

Defines the regeneration process steps.

Regeneration Indicator

Defines the regeneration indicator component.

Resin Bed

Defines the resin bed used in conditioners.

Autotrol 255-960 Specifications

General IconGeneral
BrandAutotrol
Model255-960
CategoryControl Unit
LanguageEnglish

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