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Rotex GW User Manual

Rotex GW
52 pages
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For operation and the operator
ROTEX GW
Wall-mounted Gas condensing boiler
Installation and Operating Instructions
Type Rated thermal output
(modulating*)
ROTEX GW22C 4.5 - 21.6 kW
ROTEX GW26C 5.8 - 26.2 kW
Manufacturer's number
Customer
0051 CL 4018

GB
Edition 09/2012

Table of Contents

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Rotex GW Specifications

General IconGeneral
TypeGas Condensing Boiler
Fuel TypeGas
Heating Capacity25 kW - 48 kW
FuelNatural Gas
Weight45 kg - 55 kg
Dimensions700 x 400 x 300 mm (H x W x D)
Operating PressureUp to 3 bar

Summary

Safety

Fundamental Operational Safety

Detailed safety instructions for working on the heating system, electrical installation, room, water, fuel, operation, and owner instruction.

Installation

Operation Independent of Ambient Air

Details on installations where the unit draws combustion air from outside.

Air/Flue System (LAS)

General instructions and safety requirements for flue gas systems.

Hydraulic Connection

General safety and operational information for hydraulic connections.

Electrical Connection

Safety warnings and instructions for electrical connections.

Connect Gas Line, Check Burner Setting

Instructions for connecting the gas line and checking burner settings.

Checking Burner Pre-setting

Steps to verify and adjust the burner's pre-set gas type and pressure.

Start-up

Initial Start-up

Procedures for putting the ROTEX GW into operation, including requirements and checks.

Operation

Display and Operating Elements

Overview of the controller's LCD display and buttons.

Operating Modes

Introduction to the different operating modes of the ROTEX GW.

Parameter List

Detailed list of settable parameters, their levels, settings, and explanations.

Gas Burner

Unlocking in Event of Fault Shutdown

Procedures for unlocking the burner after a fault shutdown.

Burner Setting

General instructions and tables for setting the burner for different gas types.

Basic Setting and Gas Type Change

Procedures for basic burner setting and changing gas types.

Adjusting Output Limits and Starting Output

How to adjust burner output limits and starting output for optimal performance.

Setting Gas Pressure Controller, Electrodes, Dismantling

Instructions for setting gas pressure controller, electrodes, and dismantling the burner.

Burner Installation

Procedures and warnings for installing the burner assembly.

Hydraulic Connection

Inspection and Maintenance

Faults and Malfunctions

Failures

Table listing malfunctions, possible causes, and solutions.

Fault Codes

Table detailing fault codes, component designations, and associated faults.

Decommissioning

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