Runxin 82602 - User Manual

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Multi-functional Flow Control Valve for

Water Treatment Systems

82602（Old Model：F79A-LCD）

82602B（Old Model：F79B-LCD）

82604（Old Model：F82A-LCD）

82604B（Old Model：F82B-LCD)

82504AB (Old Model：F82AG-LCD)

82504BB（(Old Model：F82BG-LCD)

Instruction Manual

Please read this manual in details before using the valve

and keep it properly in order to consult in the future.

OWRX.466.515

China Patent No.: ZL02220153.X，

ZL200820169873.5

Questions and Answers

M
Mackenzie DyerSep 3, 2025
Why does the Runxin 82602 Control Unit cycle continuously?
- C
  Chelsea MurraySep 3, 2025
  If your Runxin Control Unit control cycle runs continuously, it could be due to a breakdown in the locating signal wiring, which you should check and connect. Another cause could be a faulty controller, which would need replacing. Foreign material stuck in the driving gear could also be the reason, so remove any such material. Finally, the time of regeneration steps might have been set to zero, so check the program setting and reset it.
B
Brittany BoltonSep 1, 2025
Why is there pressure lost or rust in the pipe line of my Runxin 82602 Control Unit?
- A
  Amber BruceSep 1, 2025
  If you are experiencing pressure loss or rust in the pipeline connected to your Runxin Control Unit, it could be due to iron in the water supply pipe, which would require cleaning the pipe. Alternatively, there may be an iron mass in the softener itself; in this case, clean the valve and add a resin cleaning chemical, while also increasing the frequency of regeneration. A fouled resin bed could also be the cause; check the backwash, brine draw, and brine tank refill, and increase the frequency of regeneration and backwash time. Finally, if there is too much iron in the raw water, iron removal equipment may be needed before softening.
B
bjacksonAug 31, 2025
Why is there a loss of resin through the drain line in my Runxin 82602 Control Unit?
- D
  David PatelAug 31, 2025
  If you experience a loss of resin through the drain line of your Runxin Control Unit, it could be due to air in the water system; assure that the well system has a proper air eliminator control. It could also be caused by a broken bottom strainer, which would require a replacement. Lastly, an improperly sized drain line control could be the culprit; check for the proper drain rate.
J
jennifer44Aug 29, 2025
Why is the regeneration time not correct on my Runxin Control Unit?
- E
  Elaine CarrAug 29, 2025
  If the regeneration time on your Runxin Control Unit is not correct, check the program and reset the time of day. Also, a power failure lasting more than 3 days may cause this issue.
J
Jonathan CallahanAug 27, 2025
What to do if Runxin 82602 Control Unit softener fails to draw brine?
- C
  Christopher GreenAug 27, 2025
  If your Runxin Control Unit softener fails to draw brine, the following could be the reasons: the line pressure might be too low, so try to increase it. The brine line might be plugged, so clean it. There could be a leak in the brine line, so replace it. The injector might be plugged, so clean or replace it. There could be an internal control leak, so replace the valve body. The drain line might be plugged, so clean the drain line flow control. The sizes of the injector and DLFC might not match the tank, so select the correct injector size and DLFC according to the P26 requirements.
T
tiffanyhudsonAug 26, 2025
What to do if there is excessive water in the brine tank of my Runxin 82602?
- L
  Lauren FranklinAug 26, 2025
  If you notice excessive water in the brine tank of your Runxin Control Unit, try the following: reset the refilling time to the correct duration. Check the injector and ensure there are no obstructions in the brine pipe. Clean the brine valve and brine line to remove any foreign material. If you haven't installed a safety brine valve and there's a power failure during salting, stop the water supply and restart, or install a safety brine valve in the salt tank. Finally, if you have a safety brine valve, check if it is broken and repair or replace it if needed.
A
ashley89Aug 25, 2025
Why does my Runxin Control Unit use too much salt?
- A
  Andrea ReeseAug 25, 2025
  If your Runxin Control Unit is using too much salt, check the salt usage and salt setting. Also, excessive water in the brine tank can cause this issue.
B
Bonnie SheaAug 22, 2025
How to fix a Runxin 82602 Control Unit when the softener fails to regenerate?
- J
  John FriedmanAug 22, 2025
  If your Runxin Control Unit softener fails to regenerate, it could be due to a few reasons. First, ensure that the unit has permanent electrical service by checking the fuse, plug, pull chain, or switch. If the power supply is okay, verify that the regeneration cycles are set correctly and reset them if necessary. If the issue persists, the controller or motor may be defective and need replacement.

Runxin 82602 Specifications

General

Brand	Runxin
Model	82602
Category	Control Unit
Language	English

Summary

Product Overview

Notice

Important warnings and precautions for safe operation and maintenance.

Product Characteristics

Details the valve's features, sealing, and display.

Service Condition

Specifies operational parameters like pressure, temperature, and water quality requirements.

Product Install

Guides on installation procedures, device location, and pipeline connections.

Basic Setting & Usage

The Function of PC Board

Explains the functions of buttons and display elements on the control board.

Parameter Specification

Lists control modes and their regeneration/filter functions.

Applications

Softener Flow Chart

Illustrates the regeneration cycle process for the softener.

Function and Connection of PC Board

Details the main functions and wiring of the control board's connectors.

System Configuration and Flow Rate Curve

Provides tank configurations, resin volumes, and flow rate characteristics.

Parameter Settlement

Guides on setting regeneration parameters like service time, backwash, and refill.

Trial Running

Guides on conducting the initial operational test after installation.

Trouble-Shooting

Lists common problems, their causes, and solutions for control valve and controller faults.

Assembly & Parts

Shows exploded views and lists components for valve body assembly.

Warranty Card

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