Bosch KWB35-3 User Manual

Installation and Service Instructions for Contractors
Residential Gas Condensing Boiler
Greenstar FS/Combi FS
6720810590-00.2Wo
WARNING:
Improper installation, set-up, modification, operation or
maintenance of the heating system can cause personal injury and
property damage.
Follow these instructions precisely.
If you require assistance or further information, contact a trained
and certified installer or the gas supply company.
WARNING:
The operating instructions are part of the technical documents that
must be handed over to the owner or operator of the heating
system.
Explain to the owner or operator how to use the heating system
using the operating instructions. Make sure that they are familiar
with all required information for the safe and proper operation of
the heating system.
NOTICE:
In Massachusetts, this appliance must be installed by a licensed
plumber or gas fitter.
These instructions are available in English and French.
Please keep these instructions for future reference.
Warranty information available at www.bosch-climate.us
Annual service is required
KBR16-3. |KBR21-3. |KBR28-3. |KBR35-3. |KBR42-3. |KWB28-3. |KWB35-3. |KWB42-3.
6720810590 (2015/05) CA/US

Bosch KWB35-3 Specifications

General

Brand	Bosch
Model	KWB35-3
Category	Boiler
Language	English

Summary

Key to Symbols and Safety Instructions

General Safety Instructions

Essential safety guidelines and warnings for installation and operation.

Installation

Installation and Operation

General procedures for installing and operating the boiler.

Selecting the Installation Location

Guidelines for choosing a suitable location for the appliance.

Installation of the Exhaust and Air Intake System

Testing Gas and Water Connections for Leaks

Making the Electrical Connections

General Notes

Connecting Mains Power Supply

Procedure for connecting the main power source.

Commissioning

Before Operating the Appliance

Essential checks and procedures before initial startup.

Startup

Setting Up Space Heating

Gas Type Conversion

Converting to a Different Gas Type

Setting the Gas-Air Ratio (CO2 or O2)

Inspection and Maintenance

Checklist for Annual Inspection and Maintenance

Faults

Troubleshooting

General guidance for diagnosing and resolving appliance faults.

Faults that are shown on the display