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Wolf CGW-24/140 User Manual

Wolf CGW-24/140
56 pages
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Art.-Nr. 3044826_201403 Änderungen vorbehalten
Wolf GmbH · Postfach 1380 · 84048 Mainburg · Tel. 08751/74-0 · Fax 08751/741600 · Internet: www.wolf-heiztechnik.de
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Wartungsanleitung
Gasbrennwertgeräte
CGB-(K)-11/20/24, CGS-20/160, CGS-24/200,
CGW-11/100 CGW-20/120, CGW-24/140,
CGI-20/120, TGC-20/24, TGS-20/160
Seite 2 -18
Manual de mantenimiento
Caldera de condensacion a gas
CGB-(K)-11/20/24, CGS-20/160, CGS-24/200,
CGW-11/100 CGW-20/120, CGW-24/140,
CGI-20/120, TGC-20/24, TGS-20/160
Página 19 - 36
Service Manual
Gas condensing boilers
CGB-(K)-11/20/24, CGS-20/160, CGS-24/200,
CGW-11/100 CGW-20/120, CGW-24/140,
CGI-20/120, TGC-20/24, TGS-20/160
Page 37 - 54
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Wolf CGW-24/140 Specifications

General IconGeneral
MountingWall-mounted
Output24 kW
NOx Class5
Energy Efficiency ClassA
ModelCGW-24/140
TypeCondensing Boiler
FuelNatural Gas
Water Connection Size3/4"

Summary

Safety Instructions

General Safety Notes

General guidelines for maintenance work and spare parts.

Service Procedure

Initial Boiler Preparation and Disassembly

Steps to safely shut down and open the boiler for maintenance.

Component Removal and Cleaning

Procedures for removing key internal components and initial cleaning.

Component Replacement and Lubrication

Replacing electrodes and gaskets, lubricating new parts.

Boiler Reassembly and Gas Restrictor Check

Reassembling the boiler and verifying the gas restrictor.

Siphon, Water Supply, and Strainer Checks

Inspecting the siphon, shutting off water, and cleaning the strainer.

DHW System and Anode Checks

Addressing DHW output issues and checking sacrificial anode.

Adjustments and Tests

Completing the Adjustments and Casing

Closing test ports, checking leaks, and fitting the casing.

Test Run and Ventilation/Flue Gas Tests

Performing test runs, ventilation, and flue gas analysis.

Gas:Air Mixture Adjustment

CO₂ Adjustment at Upper Load

Adjusting CO₂ levels for upper load conditions using test equipment.

CO₂ Adjustment at Lower Load

Adjusting CO₂ levels for lower load conditions and checking CO emissions.

Control Accessories and Maintenance Overview

Checking Control Accessories

Instructions for checking control accessories like BM and AWT displays.

Maintenance Steps Summary

A checklist of steps to be taken during maintenance and for the report.

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