Pentair Fleck 5800 LXT User Manual (English)

Other manuals for Pentair Fleck 5800 LXT

Installer Manual96 pages

Service Manual26 pages

Questions and Answers:

E
Eddie EdwardsAug 22, 2025
What to do if my Pentair Water Filtration System softener fails to use salt?
- A
  Amanda SmithAug 22, 2025
  If your Pentair Water Filtration System softener isn't using salt, start by cleaning the drain line and/or flow control if they are plugged or restricted. Next, inspect the injector; clean or replace it and the screen if plugged. Also, check for any restrictions in the BLFC and ensure the safety float is not stuck if there's no water in the brine tank. The line pressure must be at least 1.4 bar. Check the brine line for air leaks if it injects air during brine draw.
M
Mark DoyleAug 25, 2025
How to reset regeneration failure on Pentair Water Filtration System?
- S
  Sara HallAug 25, 2025
  To reset a regeneration failure on your Pentair Water Filtration System, perform a manual regeneration.
B
Benjamin GordonAug 25, 2025
Why does my Pentair Control Unit water softener fail to regenerate automatically?
- S
  Sara KingAug 26, 2025
  If your Pentair Control Unit softener fails to regenerate automatically, ensure it's connected to a constant power source. Check the meter cable for disconnections or faults, reconnecting or replacing it as needed. If the power cord is defective, replace it. Also, examine the controller, meter, or sensor for defects and replace or repair them. Finally, verify that the unit is programmed correctly.
K
kristenmartinAug 27, 2025
What to do if my Pentair Water Filtration System has excessive water in the brine tank and/or salty water to service?
- J
  John AlexanderAug 27, 2025
  If you notice excessive water in the brine tank or salty water being delivered, there might be a plugged drain line. Check the flow to the drain and clean the flow control. Another possible cause is a dirty or damaged brine valve, which should be cleaned or replaced. Also, inspect the injector for any blockages; clean the injector and replace the screen if necessary. Ensure that the inlet pressure is at least 1.4 bar to allow the injector to function correctly. Finally, if the timer isn't cycling, consider replacing the controller.
C
Casey LawrenceAug 27, 2025
Why does my Pentair Water Filtration System have a loss of water pressure?
- H
  Heather HernandezAug 27, 2025
  A loss of water pressure in your Pentair Water Filtration System can occur due to scaling or fouling of the inlet pipe. Clean or replace the pipeline and consider pretreatment to prevent future occurrences. Fouled resin can also cause this issue; clean the resin and pretreat to prevent it from happening again.
X
Xavier Fisher MDAug 28, 2025
What causes poor water quality in my Pentair Water Filtration System?
- J
  Jessica CooperAug 28, 2025
  Poor water quality from your Pentair Water Filtration System may be due to an open bypass valve; ensure it is closed. Channeling can also cause this, so check for service flow that is either too slow or too high, and inspect for media fouling. Finally, verify that the mixing is set correctly.
A
Amber DavidAug 29, 2025
How to fix high salt usage in Pentair Water Filtration System?
- K
  Kimberly WilsonAug 30, 2025
  If your Pentair Water Filtration System is using too much salt, first adjust the salt setting. Also, check for excessive water in the brine tank.
S
Scott NguyenAug 31, 2025
What causes a Pentair Water Filtration System to fail to regenerate automatically?
- S
  santanamadisonAug 31, 2025
  If your Pentair Water Filtration System fails to regenerate automatically, it could be due to several reasons: * The cord is plugged into an intermittent or switched-off power source; connect it to a constant power source. * The meter cable is disconnected or faulty; reconnect or replace the cable. * The power cord is defective; replace the cord. * The controller, meter, or sensor is defective; replace or repair them. * The programming is incorrect; program it correctly.
N
Nicole FrazierSep 1, 2025
Why does my Pentair Water Filtration System have a loss of capacity?
- K
  Kimberly LynchSep 1, 2025
  A loss of capacity in your Pentair Water Filtration System can be attributed to several factors. Increased raw water hardness may be the cause; if so, reset the unit to the new capacity. Ensure the brine tank is full of salt at all times and clean it yearly to maintain proper brine concentration and quantity. Salt may be bridged. If you're using a salt grid plate, make sure the refill water is above it.
T
Todd CookSep 2, 2025
What to do if Pentair Water Filtration System valve cycles continuously?
- D
  Dr. Anne MoodySep 2, 2025
  If the valve of your Pentair Water Filtration System is cycling continuously, the controller may be faulty. In this case, replace the controller.

Pentair Fleck 5800 LXT Specifications

General

Brand	Pentair
Model	Fleck 5800 LXT
Type	Water Softener Control Valve
Control Head	Electronic
Valve Material	Noryl
Capacity	48, 000 grains
Metered	Yes
Brine Line	3/8"
Display	LCD
Operating Pressure	20 - 125 psi
Operating Temperature	34 - 120 °F
Inlet/Outlet	1"
Drain Line	1/2"
Backwash Capacity	17 GPM
Backwash Flow Rate	17 GPM
Regeneration Type	Demand Initiated
Cycle Times	Variable
Brine Draw Flow Rate	0.5 GPM
Programming Options	Regeneration cycle sequence, cycle times, salt dosage, reserve capacity, calendar override

Summary

Original Settings

Installation Settings

Configuration parameters related to the initial installation of the water treatment system.

Hydraulic Settings

Settings that define the hydraulic operation and flow characteristics of the device.

Electrical Settings

Parameters related to the electrical supply and requirements of the controller.

Software Settings

Configuration options for the controller's software, including regeneration modes.

Maintenance Record Book

Generalities and Documentation

Safety Instructions

Crucial safety precautions to be followed before handling or operating the system.

Scope of Documentation

Information regarding the purpose and target audience of the user guide.

Release Management

Details concerning the document's revision history and release information.

Manufacturer and Product Identification

Details that identify the manufacturer and the specific product model.

Applicable Norms

List of directives and standards with which the product complies.

Limitation of Liability

Statement outlining Pentair's warranty limitations and disclaimers.

Safety

Serial Label Location

Identification of the location and details of the serial label on the device.

Hazards and Personnel Safety

Overview of general hazards, personnel qualifications, and material safety points.

Hygiene and Sanitation

Recommendations for maintaining system hygiene and periodic disinfection.

Product Description

Technical Specifications

Key technical data including pressure, flow rate, and environmental operating conditions.

Environmental Conditions

Details on the recommended environmental parameters for system operation.

Components Location

Visual identification and location of key components on different controller types.

System Operations

By-passing System

Instructions on how to bypass the water softening system during normal or fault conditions.

XTRi Controller Installation

Specific requirements and considerations for installing the XTRi controller.

XTRi & XTR Controller Programming

Guide to programming features and initial setup for XTRi and XTR controllers.

Touchscreen Quick Start

Steps for initial setup and quick start configuration of touchscreen controllers.

Controller Screens and Settings

Assistance Interval Screen

Procedure for setting a service interval based on months or regenerations.

Home Screen Overview

Explanation of the main screen elements, status indicators, and navigation buttons.

Day and Time Screen

Instructions for adjusting the current day, date, and time settings.

Settings Screen

Accessing and configuring various system settings like Bluetooth and regeneration timing.

Advanced Settings and Programming

Hardness Setting Adjustment

How to adjust the water hardness setting and its effect on regeneration intervals.

Diagnostic Mode Access

Procedure to enter and view diagnostic information on the controller.

SXT Controller Basic Programming

Step-by-step guide for initial programming of the SXT controller.

Controller Programming Details

Setting Day of the Week

How to set the current day of the week for regeneration scheduling.

Diagnostic Mode Navigation

Navigating through diagnostic data screens to view system information.

LXT Controller Basic Programming

Instructions for basic programming of the LXT controller.

Operation and Maintenance

LXT Controller Diagnostic Mode

Accessing and navigating diagnostic data for the LXT controller.

XTRI & XTR Controller Recommendations

Usage recommendations for salts and sanitizing processes for XTRI/XTR controllers.

Manual Immediate Regeneration

Steps to initiate an immediate regeneration cycle for XTRI, XTR, and SXT controllers.

Wi-Fi Device Pairing

Guide on pairing the FLECK 5800 XTRI Connected Valve with Wi-Fi devices.

Error Codes and Troubleshooting

LXT Controller Recommendations

Usage recommendations for salts and sanitizing processes for LXT controllers.

SXT Controller Error Codes

List and descriptions of error codes that may appear on the SXT controller.

LXT Controller Error Codes

List and descriptions of error codes that may appear on the LXT controller.

Maintenance Requirements

Mandatory cleaning and maintenance procedures to ensure system functionality.

Technical Support and Troubleshooting

Procedure for obtaining technical support and troubleshooting common issues.

Related product manuals

Pentair FLECK 5800 SXT

76 pages

Pentair Fleck 5800 XTR

52 pages

Pentair FLECK 5800 XTRI