dosatron D 25 RE 2 - User Manual

D 25 F
D 25 F 1
D 25 F 0.2
D 25 F 2
D 25 RE 1500
D 25 RE 09
D 25 RE 2
D 25 GL 2
D 25 RE 4
D 25 RE 5
D 25 RE 10
D 25 RE 2 IE
D 25 RE 5 IE
D 25 RE 10 IE
D 25 RE 2 IE PO
manuel d’utilisation
owner’s manual
gebrauchsanweisung
manuale d’uso
manual de utilización
gebruiksaanwijzing
Ɋɭɤɨɜɨɞɫɬɜɨɩɨɥɶɡɨɜɚɬɟɥɹ
,QVWUXNFMDREVáXJL
Manual de utilização
2.5 m
3
/h - 11 GPM

Summary

Introduction and Important Information

Important Record Keeping

Record model and serial number for service and parts.

How the DOSATRON Works

Installation Precautions

General Safety and Installation Remarks

Regulations, flow direction, non-return valve, anti-siphon valve, acid container, freezing, heat, suction side, seal replacement, dosing rate.

Mandatory Safety Instructions

Comply with safety instructions, use tools, protective clothing, goggles, and install safely.

Installation Precautions (Continued)

Chemical Handling and Hot Water

Consult distributor for compatible substances, hot water option 'T', temperature risks, warning signs.

User Responsibilities and Procedures

Read manual, check flow/pressure, adjust, determine ratio, check draw-up, change tube, relieve pressure, rinse.

Water Quality and Filtration

Install water filter (300 mesh) to prevent damage from abrasive substances.

Water-Hammer and Flow Control

Assembling the DOSATRON

Assembly Components and Tool-Free Process

DOSATRON delivered with bracket, suction tube, strainer. Assemble without tools.

Water Supply Connection Method

External Injection (IE) Models

IE Model Features for Corrosives

Suction Tube Assembly and Siphoning

Suction Tube Fitting Instructions

Strainer Placement and Siphon Prevention

Installation Hints and Flow Management

Filter Requirement for Warranty Validity

Install filter (300 mesh) upstream to prolong life and validate warranty.

Putting the DOSATRON into Order

Initial Startup and Priming

Product Suction and Rate Adjustment

Maintenance and Draining Procedures

General Maintenance Recommendations

Procedure for Draining the Unit

Fitting and Injection Rate Adjustment

Suction Tube Fitting Instructions

Injection Rate Adjustment Procedure

Adjust with no pressure. Turn off supply, unscrew blocking ring, adjust sleeve, tighten ring.

Conversions and Seal Maintenance

Changing Injection Assembly Seals

Annual replacement, no tools, clean seating, refit by hand, avoid twisting. Rinse before dismantling. Wear safety gear.

Seals and Valve Maintenance

Suction Valve Cleaning and Refitting

Dosing Seals and Fittings Replacement

Motor Piston Maintenance and Replacement

Motor Piston Replacement Procedure

Turn off supply, remove tube, unscrew part, pull dosing part. Various models shown.

Screw-top and Piston Removal Guide

Reference Designation System

Model Code Interpretation Guide

Troubleshooting Guide

Motor Piston Troubleshooting

Covers piston stalled, air not bled, max flow exceeded, damaged piston.

Injection System Troubleshooting

Covers water backflow, no suction, air leak, blocked tube, worn seals.

Troubleshooting (Continued)

Under Injection and Leak Troubleshooting

Addresses suction air, valve seal, flow issues, plunger seal, stem, and various leak points.

Limited Warranty Information

Warranty Coverage and Claim Process

Warranty Exclusions and Requirements

Flow Rate Calculation Method

Simple Flow Measurement Technique

dosatron D 25 RE 2 Specifications

General

Model	D 25 RE 2
Category	Water Pump
Max Pressure	6 bar
Temperature Range	4°C - 40°C
Material	Polypropylene
Injection Ratio	1:500 to 1:50 (0.2 - 2%)
Weight	4 lbs (1.8 kg)