Key facts
- Brand
- Fleck
- Model
- 5812 SXT
- Industry
- Appliances
- Documents
- 2
- Languages
- EN
- Last added
- 2023-10-18
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FLECK 5810 & 5812 SXT Water Softener or Filter Control Valve Service Manual
This service manual provides detailed instructions for installing, programming, and maintaining the FLECK 5810 & 5812 SXT control valves used in water softening or filtration systems. It includes operating parameters, safety warnings, installation steps, troubleshooting, and wiring diagrams. The manual also covers user programming, system disinfection, and care of the brine tank. It is intended for technicians servicing the valve, not for general users installing the system.
The valves are designed for upflow/downflow applications and require a minimum of 20 psi water pressure and 120 VAC electrical supply. Installation must comply with local plumbing and electrical codes, and the unit must be installed in a temperature range of 34°F to 120°F. The manual includes dimensional drawings, flow diagrams, and diagnostic data viewing instructions.
FLECK 5812 SXT specifications
| Minimum Water Pressure | 20 psi (1.4 bar/138 kPa) |
|---|---|
| Maximum Water Pressure | 125 psi (8.61 bar/861 kPa) |
| Minimum Water Temperature | 34°F (1°C) |
| Maximum Water Temperature | 110°F (43°C) |
| Minimum Ambient Temperature | 34°F (1°C) |
| Maximum Ambient Temperature | 120°F (52°C) |
| Maximum Humidity | 75% |
| Input Voltage | 100-240 VAC |
| Input Frequency | 50/60 Hz |
| Output Voltage | 12 VDC |
| Output Current | 2.0 amps |
| Maximum Altitude | 2,000 meters |
Source: FLECK 5810 & 5812 SXT Water Softener or Filter Control Valve Service Manual
All FLECK 5812 SXT documents by type
Disassembly, diagnostics and part numbers, for repair.
Questions answered in these manuals
What is the minimum water pressure required for the valve to operate?
A minimum of 20 psi (1.4 bar) of water pressure is required for the regeneration valve to operate effectively.
From: FLECK 5810 & 5812 SXT Water Softener or Filter Control Valve Service Manual
What is the maximum water temperature the valve can handle?
The maximum water temperature is 110°F (43°C).
From: FLECK 5810 & 5812 SXT Water Softener or Filter Control Valve Service Manual
What is the maximum water pressure this valve can handle?
Maximum pressure is 125 psi (8.61 bar / 861 kPa).
From: Fleck 5810 and 5812 SXT Water Softener or Filter Control Valve Service Manual
What is the input voltage requirement for the controller?
The controller requires 100-240 VAC input voltage.
From: Fleck 5810 and 5812 SXT Water Softener or Filter Control Valve Service Manual