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Reflex variomat 2-1/60 User Manual

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reflex ’variomat’
Pressure-maintaining station
Assembly, operating and
maintenance instructions
Status 03/07
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Reflex variomat 2-1/60 Specifications

General IconGeneral
BrandReflex
Modelvariomat 2-1/60
CategoryControl Systems
LanguageEnglish

Summary

General Information and Safety

General Safety Instructions and Precautions

Outlines essential safety precautions for installation and operation.

Installation Site Requirements and Conditions

Requirements for the installation location, including load capacity and frost-free conditions.

Electrical Connection Guidelines

Guidelines for electrical wiring by qualified personnel following local regulations.

Assembly and Installation Procedures

Installation Site Selection and Room Requirements

Guidance on selecting the installation location and room requirements.

Installation of the Variomat Control Unit

Illustrates various installation configurations for the control unit.

Installation of the VG Basic Vessel

Instructions for correctly positioning and connecting the VG basic vessel.

Installation of the VF Secondary Vessel

Describes how to install the VF secondary vessel, including hose set connection.

Assembly of the Level Gauge at the VG Basic Vessel

Instructions for mounting the level gauge, including CAUTION points.

Connection of Control Unit and Expansion Lines

Diagrams and guidelines for connecting the control unit and expansion lines.

Integration of Expansion Lines (O, P)

Instructions for integrating overflow and pump lines, and system temperature limits.

Assembly Diagrams for Variomat 1 Systems

Shows schematic diagrams for 'variomat 1' in single-boiler and district heating systems.

Assembly Diagrams for Variomat 2 Systems

Shows schematic diagrams for 'variomat 2-1' and 'variomat 2-2' systems.

Electrical Connection Details

Guidelines for electrical wiring by a qualified electrician.

Wiring Diagram for Variomat 2 Circuit Board

Wiring diagrams for single-pump and dual-pump systems on the circuit board.

Wiring Diagram for Variomat 1 Circuit Board

Wiring diagram for the 'variomat 1' control unit circuit board.

Initial Start-up Procedures

Prerequisites for Initial Start-up

Conditions that must be met before initiating the start-up process.

Guide to the Initial Start Routine

Guide to the initial controller setup sequence, including language and pressure settings.

Filling Vessels and Control Unit

Instructions for filling the system vessels and control unit.

Bleeding the Pumps

Procedure for bleeding air from the pressure-maintaining pump.

System Operation Guide

Automatic Mode Overview

General description of automatic mode operation and degassing programs.

Manual Mode Operation

Instructions for operating pumps and valves manually.

Customer Menu Navigation and Settings

Accessing and navigating the customer menu for parameter changes.

Message Display and Acknowledgement

How error messages are displayed and acknowledged.

Error Code Table and Troubleshooting

Table listing error codes, types, causes, and troubleshooting remedies.

Error Code Table Continuation and Remedies

Continuation of the error code table with specific error types and remedies.

Maintenance, Inspection, and Disassembly

General Maintenance Instructions

General recommendations for annual maintenance and service.

General System Description

System Mode of Operation

Overview of the pressure-maintaining, degassing, and make-up functions.

Pressure Maintenance Mechanism

How the system maintains pressure by directing water flow.

Degassing Process Explained

Process for removing dissolved gases from system water.

Water Make-up Mechanism

How the system detects and replenishes low water levels.

Assembly, Maintenance, and Commissioning Certificate

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