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Bosch GWH18 User Manual

Bosch GWH18
24 pages
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Installation and Operating Manual
Gas instantaneous water heaters
Therm 4000 S
6720813351-00.1V
GWH12/15/18 CTD E23/31 F6 O...
6 720 819 528 (2016/02) ZA
Read installation manual prior to installation of this unit!
Read user manual before putting this unit in operation!
Observe the warnings in the manuals!
The installation room must fulfill the ventilation requirements!
Installation by an authorised person only!

Table of Contents

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Bosch GWH18 Specifications

General IconGeneral
BrandBosch
ModelGWH18
CategoryWater Heater
LanguageEnglish

Summary

Key to Symbols and Safety Instructions

1.2 General Safety Instructions

Provides essential safety guidelines for users and technicians.

Safety of Electrical Appliances

Installation, Commissioning and Maintenance

Outlines procedures for installation, commissioning, and maintenance by contractors.

Inspection and Maintenance

Details regular inspection and maintenance requirements for safe operation.

Modifications and Repairs

Warns against unprofessional modifications and emphasizes contractor work.

Electrical Work

Specifies that electrical work must be done by qualified electricians.

Product Details

Operation Instructions

3.2 Before Commissioning

Lists essential checks and actions before initial operation.

Installation (Qualified Contractors)

5.7 Gas Connection

Provides instructions and safety warnings for connecting the gas supply.

5.10 Commissioning of the Appliance

Covers the final steps for putting the appliance into operation.

Electrical Connection (Qualified Contractors)

6.1 Connecting the Power Cable

Instructions for safely connecting the appliance's power cable.

Regulating the Gas (Qualified Contractors)

7.3 Adjusting the Appliance

Covers the process of adjusting appliance settings, starting with P1 and P2.

7.3.2 Adjusting Maximum Flow (P1)

Step-by-step guide for adjusting the maximum gas flow.

7.3.3 Adjusting Minimum Flow (P2)

Step-by-step guide for adjusting the minimum gas flow.

7.3.4 Adjusting Burner Pressure (PO)

Instructions for adjusting burner pressure when L1/L2 are not reachable.

Maintenance (Qualified Contractors)

8.2 Periodic Maintenance Works

Covers routine checks and cleaning for the combustion chamber and burner.

Problems

Display Fault Codes

Lists error codes displayed by the appliance and their corresponding solutions.

Warranty Terms

Warranty Overview

Outlines the warranty period, conditions, and exclusions for the appliance.

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