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Bosch Evolution 500 - User Manual

Bosch Evolution 500
60 pages
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Evolution 500
INDOOR MODEL
Temperature Modulated with Electronic Ignition
Suitable for heating potable water - Not approved for space heating purposes
(Intended for variable flow applications)
Evolution 500 - Natural Gas
Evolution 500 - Liquefied Petroleum (LP) Gas
6 720 680 223 (2009/04) US
Warning: If the information in this manual is not
followed exactly, a fire or explosion may result
causing property damage, personal injury or death.
Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
Improper installation, adjustment, alteration,
service or maintenance can cause injury or
property damage. Refer to this manual. For
assistance or additional information consult a
qualified installer, service agency or the gas
supplier.
In the Commonwealth of Massachusetts this
product must be installed by a licensed plumber or
gas fitter.
Upon completion of the installation, these
instructions should be handed to the user of the
appliance for future reference.
What to do if you smell gas
Close gas valve. Open windows.
Do not try to light any appliance.
Do not touch any electrical switch; do not use any
phone in your building.
Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
If you cannot reach your gas supplier, call the fire
department.
Installation and service must be performed by a
qualified installer, service agency or the gas supplier.
Question and Answer IconNeed help?

Do you have a question about the Bosch Evolution 500 and is the answer not in the manual?

Summary

Warning Information

General Safety Precautions

Essential warnings and guidelines for safe installation and operation.

Appliance Features and Specifications

Key Features

Lists the main features and functionalities of the water heater.

Technical Specifications

Detailed technical data including dimensions, capacity, and performance metrics.

Unpacking and Initial Inspection

Instructions for unpacking the appliance and verifying contents.

Safe Operation Guidelines

General rules and precautions for safe installation and operation.

Installation Clearances

Required minimum clearances for proper and safe installation.

Installation Procedures

Required Tools

List of tools necessary for the installation process.

Installation Introduction

Explains potential consequences of incorrect installation.

Vent Material Specifications

Details the types of approved materials for vent piping.

Venting Configuration and Specifications

Specifies requirements for vent pipe configuration, length, and installation.

Venting Configuration Examples

Illustrates approved examples of horizontal and vertical venting installations.

Vent Pipe Connections

Instructions for properly connecting vent pipes to the appliance.

Condensate Drain Installation

Procedures for installing the condensate drain system.

Fan Speed Adjustment

How to adjust fan speed based on altitude and vent length.

Combustion Air Requirements

Details the requirements for supplying adequate combustion air.

Heater Location Selection

Guidelines for selecting the optimal and safe location for installation.

Placement and Clearances

Specifies required clearances around the heater for safe installation.

Mounting the Appliance

Instructions on how to physically mount the appliance to the wall.

Gas Piping and Connections

Procedures and requirements for connecting the gas supply safely.

Water Connections

Instructions for connecting the cold and hot water lines to the heater.

Water Quality Considerations

Discusses the impact of water quality and recommended limits.

Hot Water Recirculation System

Description of a system to improve hot water temperature stability.

Measuring Gas Pressure

Procedure for measuring and verifying gas supply pressure.

Electrical Connections

Power Supply Requirements

Details the electrical power supply requirements for the appliance.

Control Unit Fuses

Locates and explains how to check fuses within the control unit.

Operating the Water Heater

LCD Display Functions

Explains the various indicators and symbols on the LCD display.

Safety Before Operation

Crucial safety warnings and procedures to follow before operating the unit.

Power On;Off

Instructions for turning the appliance on and shutting it down.

Selecting Water Temperature

How to adjust the desired output hot water temperature.

Remote Control Operation

Instructions for using the optional wireless remote control accessory.

Normal Operation Sequence

Describes the appliance's behavior when a hot water tap is opened.

Resetting the Unit

Procedure to reset the unit, especially after error codes.

Programming Features

How to use the program button to memorize settings.

Understanding Locked Condition

Explanation of the locked condition and how it is resolved.

Maintenance and Service

Routine Annual Maintenance

Detailed tasks for annual maintenance of the appliance.

Venting System Inspection

Inspect venting system for blockages and proper operation.

Combustion Chamber Inspection

Inspect combustion chamber for cracks and burner flame condition.

Pressure Relief Valve Check

Manually test the pressure relief valve for proper operation.

Heat Exchanger Descaling

Procedures for descaling the heat exchanger to maintain performance.

Heat Exchanger Fin Coil Inspection

Inspect heat exchanger fin coils for soot build-up or blockage.

Seasonal Winterizing

Procedures for protecting the heater from freezing temperatures.

Mineral Scale Buildup

Addressing scale buildup in the heat exchanger and descaling process.

Adjusting CO2 Levels

Procedure for adjusting CO2 for optimal combustion using a CO2 analyzer.

Programming Appliance Settings

Details on programming various appliance settings (P1-P9).

Control Board Diagnostics

How to access and interpret diagnostic codes from the control board.

Troubleshooting Guide

Introduction to Troubleshooting

General advice and steps before starting troubleshooting.

Burner Ignition Issues

Steps to diagnose and resolve issues when the burner does not ignite.

Water Too Hot

Troubleshooting steps for when the water temperature is excessively high.

Water Not Hot Enough

Diagnosing and fixing issues with insufficient hot water temperature.

Low Water Flow or Pressure

Troubleshooting steps for low water flow or pressure problems.

Fluctuating Water Temperature

Diagnosing and resolving variations in hot water temperature at the tap.

Noisy Burner or Heater

Identifying and fixing causes of noise from the burner or heater.

Error Code Diagnostics

Electrical Diagram

Appliance Wiring Scheme

Detailed wiring diagram illustrating the electrical components and connections.

Sensor Resistance Charts

Outlet Temperature Sensor Characteristics

Chart showing resistance values for the outlet temperature sensor.

Inlet Temperature Sensor Characteristics

Chart showing resistance values for the inlet temperature sensor.

Backflow Sensor Characteristics

Chart showing resistance values for the backflow temperature sensor.

Functional Operation Scheme

Interior Components and Parts

Interior Components Overview

Illustrations and list of the major internal components.

Component Diagrams and Part References

Detailed diagrams of component groups with their respective part numbers.

Component Group 1

Diagram and parts list for the first group of components.

Component Group 2

Diagram and parts list for the second group of components.

Component Group 3

Diagram and parts list for the third group of components.

Component Group 4

Diagram and parts list for the fourth group of components.

Component Group 5

Diagram and parts list for the fifth group of components.

Component Group 6

Diagram and parts list for the sixth group of components.

Environmental Protection

Limited Warranty Information

General Warranty Terms

Overview of the manufacturer's warranty terms for the water heater.

Heat Exchanger Warranty

Specific warranty duration and conditions for the heat exchanger.

Warranty Exclusions

Lists conditions and situations where the warranty does not apply.

Warranty for Other Parts

Details the warranty coverage and duration for parts other than the heat exchanger.

Labor Costs and Claims

Clarifies warranty coverage regarding labor costs and claim procedures.

Summary

Warning Information

General Safety Precautions

Essential warnings and guidelines for safe installation and operation.

Appliance Features and Specifications

Key Features

Lists the main features and functionalities of the water heater.

Technical Specifications

Detailed technical data including dimensions, capacity, and performance metrics.

Unpacking and Initial Inspection

Instructions for unpacking the appliance and verifying contents.

Safe Operation Guidelines

General rules and precautions for safe installation and operation.

Installation Clearances

Required minimum clearances for proper and safe installation.

Installation Procedures

Required Tools

List of tools necessary for the installation process.

Installation Introduction

Explains potential consequences of incorrect installation.

Vent Material Specifications

Details the types of approved materials for vent piping.

Venting Configuration and Specifications

Specifies requirements for vent pipe configuration, length, and installation.

Venting Configuration Examples

Illustrates approved examples of horizontal and vertical venting installations.

Vent Pipe Connections

Instructions for properly connecting vent pipes to the appliance.

Condensate Drain Installation

Procedures for installing the condensate drain system.

Fan Speed Adjustment

How to adjust fan speed based on altitude and vent length.

Combustion Air Requirements

Details the requirements for supplying adequate combustion air.

Heater Location Selection

Guidelines for selecting the optimal and safe location for installation.

Placement and Clearances

Specifies required clearances around the heater for safe installation.

Mounting the Appliance

Instructions on how to physically mount the appliance to the wall.

Gas Piping and Connections

Procedures and requirements for connecting the gas supply safely.

Water Connections

Instructions for connecting the cold and hot water lines to the heater.

Water Quality Considerations

Discusses the impact of water quality and recommended limits.

Hot Water Recirculation System

Description of a system to improve hot water temperature stability.

Measuring Gas Pressure

Procedure for measuring and verifying gas supply pressure.

Electrical Connections

Power Supply Requirements

Details the electrical power supply requirements for the appliance.

Control Unit Fuses

Locates and explains how to check fuses within the control unit.

Operating the Water Heater

LCD Display Functions

Explains the various indicators and symbols on the LCD display.

Safety Before Operation

Crucial safety warnings and procedures to follow before operating the unit.

Power On;Off

Instructions for turning the appliance on and shutting it down.

Selecting Water Temperature

How to adjust the desired output hot water temperature.

Remote Control Operation

Instructions for using the optional wireless remote control accessory.

Normal Operation Sequence

Describes the appliance's behavior when a hot water tap is opened.

Resetting the Unit

Procedure to reset the unit, especially after error codes.

Programming Features

How to use the program button to memorize settings.

Understanding Locked Condition

Explanation of the locked condition and how it is resolved.

Maintenance and Service

Routine Annual Maintenance

Detailed tasks for annual maintenance of the appliance.

Venting System Inspection

Inspect venting system for blockages and proper operation.

Combustion Chamber Inspection

Inspect combustion chamber for cracks and burner flame condition.

Pressure Relief Valve Check

Manually test the pressure relief valve for proper operation.

Heat Exchanger Descaling

Procedures for descaling the heat exchanger to maintain performance.

Heat Exchanger Fin Coil Inspection

Inspect heat exchanger fin coils for soot build-up or blockage.

Seasonal Winterizing

Procedures for protecting the heater from freezing temperatures.

Mineral Scale Buildup

Addressing scale buildup in the heat exchanger and descaling process.

Adjusting CO2 Levels

Procedure for adjusting CO2 for optimal combustion using a CO2 analyzer.

Programming Appliance Settings

Details on programming various appliance settings (P1-P9).

Control Board Diagnostics

How to access and interpret diagnostic codes from the control board.

Troubleshooting Guide

Introduction to Troubleshooting

General advice and steps before starting troubleshooting.

Burner Ignition Issues

Steps to diagnose and resolve issues when the burner does not ignite.

Water Too Hot

Troubleshooting steps for when the water temperature is excessively high.

Water Not Hot Enough

Diagnosing and fixing issues with insufficient hot water temperature.

Low Water Flow or Pressure

Troubleshooting steps for low water flow or pressure problems.

Fluctuating Water Temperature

Diagnosing and resolving variations in hot water temperature at the tap.

Noisy Burner or Heater

Identifying and fixing causes of noise from the burner or heater.

Error Code Diagnostics

Electrical Diagram

Appliance Wiring Scheme

Detailed wiring diagram illustrating the electrical components and connections.

Sensor Resistance Charts

Outlet Temperature Sensor Characteristics

Chart showing resistance values for the outlet temperature sensor.

Inlet Temperature Sensor Characteristics

Chart showing resistance values for the inlet temperature sensor.

Backflow Sensor Characteristics

Chart showing resistance values for the backflow temperature sensor.

Functional Operation Scheme

Interior Components and Parts

Interior Components Overview

Illustrations and list of the major internal components.

Component Diagrams and Part References

Detailed diagrams of component groups with their respective part numbers.

Component Group 1

Diagram and parts list for the first group of components.

Component Group 2

Diagram and parts list for the second group of components.

Component Group 3

Diagram and parts list for the third group of components.

Component Group 4

Diagram and parts list for the fourth group of components.

Component Group 5

Diagram and parts list for the fifth group of components.

Component Group 6

Diagram and parts list for the sixth group of components.

Environmental Protection

Limited Warranty Information

General Warranty Terms

Overview of the manufacturer's warranty terms for the water heater.

Heat Exchanger Warranty

Specific warranty duration and conditions for the heat exchanger.

Warranty Exclusions

Lists conditions and situations where the warranty does not apply.

Warranty for Other Parts

Details the warranty coverage and duration for parts other than the heat exchanger.

Labor Costs and Claims

Clarifies warranty coverage regarding labor costs and claim procedures.

Bosch Evolution 500 Specifications

General IconGeneral
BrandBosch
ModelEvolution 500
CategoryWater Heater
TypeTankless
PhaseSingle
Temperature Range140°F

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