Fleck 5800 LXT Water Softener Control Service Manual

Service manual for the Fleck 5800 LXT water softener control, covering installation, programming, operation, troubleshooting, and technical specifications.


Fleck 5800 LXT Water Softener Control Service Manual - cover page
Brand
Fleck
Category
Other
Document type
Service Manual
Language
English
Pages
20
File format
PDF
File size
2 MB
Published
22 October, 2026
Updated
22 October, 2026
MD5 checksum
E8BDE99A4D445254E780E08A41032B3E

About this manual

This document serves as a service manual for the Fleck 5800 LXT downflow/upflow water softener control. It provides detailed instructions for dealer use, including system configuration charts, job specification sheets, and installation procedures for the control valve, powerhead, meter, and bypass valves. The manual emphasizes safety precautions regarding water pressure, temperature, and electrical connections.

What's inside

  • JOB SPECIFICATION SHEET
  • INSTALLATION
  • START-UP INSTRUCTIONS
  • CONTROL FEATURES
  • MASTER PROGRAMMING MODE
  • VIEWING DIAGNOSTIC DATA
  • TROUBLESHOOTING
  • POWERHEAD ASSEMBLY
  • CONTROL VALVE ASSEMBLY
  • DIMENSIONAL DRAWINGS

Specifications

Operating Voltage120 VAC
Control Voltage12 VDC
Minimum Water Pressure20 psi (1.4 bar)
Maximum Water Pressure125 psi (8.6 bar)
Maximum Water Temperature110°F (43°C)
Minimum Operating Temperature32°F (0°C)
Maximum Operating Temperature125°F (52°C)
Drain Line Size (Residential)1/2" (13 mm)

Frequently asked questions

What happens if power is interrupted for more than 8 hours?

The controller may lose the time setting and it must be re-entered when power is restored.

How can a regeneration be triggered immediately?

Press and hold the Extra Cycle button for five seconds.

Can the unit be installed in direct sunlight?

No, unless a protective outdoor cover (P/N 61882) is installed over the valve and controller.

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