Fleck 3900 Service Manual

This is a maintenance manual for Fleck 3900, which includes product installation, use, maintenance and other related content

Brand: Fleck
Document type: Service Manual
Language: English
Pages: 40
File format: PDF
File size: 3.9 MB
Published: 18 October, 2023
Updated: 18 October, 2023
MD5 checksum: 715AF96541FCBBDEC04533187CD50E6E
PDF: Fleck 3900 Service Manual PDF

About this manual

This service manual provides step-by-step instructions for installing, starting up, and configuring the Fleck 3900 water conditioner. It includes detailed procedures for setting timers (3200, 3210, 3220, 3230), regeneration cycles, control valve assembly, and wiring. It also covers troubleshooting, dimensional drawings, and installation requirements such as water pressure, electrical supply, and plumbing standards.

What's inside

Installation
Start-Up Instructions
Timer Setting Procedures
Regeneration Cycle Setting
Control Drive Assembly
Valve Wiring
Troubleshooting
Service Assemblies
Dimensional Drawings
Typical Installations

Specifications

Water Pressure Requirement	Minimum 20 pounds (1.4 bar)
Electrical Supply	Uninterrupted alternating current (A/C)
Maximum Water Pressure	125 psi (8.6 bar)
Maximum Water Temperature	110°F (43°C)

Frequently asked questions

What is the minimum water pressure required for the Fleck 3900 to operate?

A minimum of 20 pounds (1.4 bar) of water pressure is required for regeneration valve to operate effectively.

What type of electrical supply is needed?

An uninterrupted alternating current (A/C) supply is required.

Can the unit be installed in freezing conditions?

No, the unit cannot be subjected to freezing conditions.

What is the maximum water temperature allowed?

Water temperature is not to exceed 110°F (43°C).

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