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Bosch Greentherm T9900 SE 160 User Manual

Bosch Greentherm T9900 SE 160
80 pages
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6 720 813 635 (2019/03) US
Installation and Operating Instructions
INDOOR RESIDENTIAL TANKLESS WATER HEATERS
Greentherm T9900 SE 160/199 | i 199
WARNING!
Improper installation, adjustment, alteration, service or maintenance can cause
injury or property damage. Refer to this manual. For assistance or additional infor-
mation consult a qualified installer, service agency or the gas supplier.
NOTICE
Upon completion of the installation, these instructions should be handed to the user
of the appliance for future reference.
160 000/199 000 Btu- Natural Gas | 160 000/199 000 Btu - Liquefied Petroleum
(LP) Gas

Table of Contents

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Bosch Greentherm T9900 SE 160 Specifications

General IconGeneral
BrandBosch
ModelGreentherm T9900 SE 160
CategoryWater Heater
LanguageEnglish

Summary

Key to Symbols and Safety Instructions

Key to Symbols

Explains warning signals and symbols used in the manual.

General Safety Instructions

Covers installation, servicing, and commissioning safety warnings.

Safety Instructions - Gas & Poisoning Risks

Gas Leak, Poisoning, and Flue Gas Risks

Details risks associated with gas leaks, poisoning, and flue gases.

Safety Instructions - Electrical & Scalding

Electrical Shock, Scalding, and Maintenance Safety

Addresses electric shock, scalding, and maintenance precautions.

Safety Instructions - Electrical Safety & Flooding

Electrical Safety, Flood Precautions, and General Safety

Covers electrical safety, flood risks, and general warnings.

Safety Instructions - Fatal Accidents & Fire Risks

Fatal Accidents, Electric Shock, and Fire Hazards

Highlights major risks including fatal accidents and fire.

Safety Information

Burn Risk and Scalding Prevention

Explains burn risks and temperature-time relationships for scalding.

Appliance Details

Features of the Greentherm T9900 SE/i

Lists key features and parts of the residential models.

Appliance Details - Technical Specifications

Technical Specifications Table

Presents detailed technical data in a table format.

Appliance Details - Unpacking

Unpacking and Front Cover Removal

Instructions for unpacking and accessing internal components.

Installation Instructions

General Installation Safety Rules

Critical safety guidelines for installing the water heater.

Installation Instructions - Placement & Mounting

Heater Placement and Clearances

Guidelines for selecting a location and maintaining required clearances.

Hanging the Appliance on the Wall

Instructions for mounting the heater securely on a wall.

Installation Instructions - Dimensions

Dimensions and Installation Clearances

Detailed physical dimensions and clearance requirements.

Installation Instructions - Location Planning

Installation Introduction and Location Planning

Importance of instructions and selecting the right location.

Installation Instructions - Venting

Venting Requirements and Dangers

Details on venting the appliance and associated dangers.

Installation Instructions - Vent Options

Approved Vent Options and Materials

Lists approved materials for venting.

Installation Instructions - Vent Components

Approved Vent Components and Terminations

Details approved vent components.

Installation Instructions - Vent Components

Approved Vent Components and Terminations

Continues listing approved vent components.

Installation Instructions - Vent Components

Approved Vent Components and Terminations

Continues listing approved vent components.

Installation Instructions - Vent Specifications

Vent Specifications and Lengths

Specifies vent clearances and maximum pipe lengths.

Installation Instructions - Direct Vent Clearances

Direct Vent Terminal Clearances

Table of clearances for direct vent terminals.

Installation Instructions - Direct Vent Clearances

Direct Vent Terminal Clearances

Continues table of clearances.

Installation Instructions - Non-Direct Vent Clearances

Other than Direct Vent Terminal Clearances

Table of clearances for single pipe penetration.

Installation Instructions - Non-Direct Vent Clearances

Other than Direct Vent Terminal Clearances

Continues table of clearances.

Installation Instructions - Vent Examples

Recommended Vent Configuration Examples

Illustrates vertical and horizontal venting setups.

Installation Instructions - Condensate Drain

Connecting the Condensate Water Drain

Instructions for draining condensate.

Installation Instructions - Backdraft Reducer

Backdraft Reducer Installation

Information on installing a backdraft reducer.

Installation Instructions - Single Pipe Venting

Single Pipe Venting Considerations

Warnings and guidelines for single pipe venting.

Combustion Air Requirements

Information on providing adequate combustion air.

Installation Instructions - Gas Piping

Gas Piping and Connections

Safety and code requirements for gas supply.

Installation Instructions - Gas Line Sizing

Gas Line Sizing for Natural Gas

Tables for sizing natural gas supply lines.

Installation Instructions - Gas Line Sizing

Gas Line Sizing for LP Gas

Tables for sizing LP gas supply lines.

Installation Instructions - Water Quality

Water Quality Requirements

Guidelines for acceptable water quality.

Connecting the Pressure Relief Valve (PRV)

Instructions for installing the PRV.

Installation Instructions - Water Connections

Water Connections Details

Details on connecting water inlet and outlet pipes.

Installation Instructions - Hot Water Recirculation

Domestic Hot Water Recirculation Designs

Designs and pipe lengths for recirculation systems.

Recirculation System Start-up Procedure

Steps to start up the recirculation system.

Installation Instructions - Recirculation Options

Tank Loading Options

Temperature sensor options for tank loading.

Recirculation Internal Pump Performance

Hydraulic curve for pump performance.

Space Heating Application Cautions

Cautions for space heating use.

Installation Instructions - System Integration

DHW Priority with Air Handlers

Recommendations for flow switches with air handlers.

Primary Pump Sizing Considerations

Advice on sizing the primary pump.

Combination DHW and Space Heating Applications

Approved applications for combined use.

Installation Instructions - System Diagrams

Hydro Air System Diagram

Illustrates a hydro air system with the water heater.

Installation Instructions - Performance Curves

Pressure Drop Curve

Graph showing pressure drop characteristics.

Installation Instructions - Gas Pressure

Measuring Gas Pressure Procedure

Procedure for measuring gas pressure.

Electrical Connections

Electrical Power Supply Requirements

Specifies voltage, frequency, and grounding needs.

Electrical Connections - Fuses

Fuse Location in Control Unit

Instructions for locating and checking fuses.

Operation Instructions

Safety Precautions Before Operation

General safety advice before turning the unit on.

Operation Instructions - Safety Warnings

Critical Safety Warnings Before Operation

Crucial safety warnings regarding fire and explosion.

Emergency Procedure for Gas Leaks

Emergency procedure for gas leaks.

Appliance Power On/Off

Basic steps to turn the heater on and off.

Resetting Error Codes

Procedure to clear error messages from the display.

Operation Instructions - Temperature Control

Selecting Water Temperature

How to adjust the desired hot water temperature.

Programming Default Setpoint Temperature

Steps to set a default temperature.

Operation Instructions - Menu Navigation

Information and Adjustments Menu Overview

Navigating the menu system for information.

Operation Instructions - Settings Management

Clock and Date Settings

How to set the appliance's clock and date.

Recirculation Program Setup

Configuring recirculation schedules and modes.

Operation Instructions - Recirculation Settings

Recirculation Program Management

Copying, deleting, and managing recirculation programs.

Tank Loading Options

Temperature sensor options for tank loading.

Vacation Mode Setting

How to activate and configure vacation mode.

Operation Instructions - Display Settings

Unit Display Settings (Units, Timeout, Backlight)

Customizing display units, timeout, and backlight.

Technical Settings Menu Access

How to access the technical settings menu.

Purge Function Operation

Procedure to purge the exhaust circuit.

Operation Instructions - Service Menu

Service Menu (AU Technical Settings)

Accessing advanced technical settings.

Recirculation Comfort Level Settings

Adjusting recirculation comfort levels.

Appliance Type and Power Settings

Viewing appliance specifications.

Operation Instructions - Valve & Gas Settings

Water Valve Calibration Procedure

Procedure for calibrating water valves.

Gas Type Selection and Confirmation

How to select or confirm the gas type.

Operation Instructions - Gas Conversion

Gas Conversion from Natural Gas to LPG

Step-by-step guide for gas type conversion.

Operation Instructions - Wi-Fi Connectivity

Wi-Fi Connection Setup

Connecting the appliance to a network or hotspot.

Operation Instructions - Wi-Fi Management

Wi-Fi Options and Status Management

Managing Wi-Fi connections, status, and resets.

Maintenance and Service

Annual Maintenance Tasks Overview

Overview of yearly maintenance checks.

Maintenance and Service - Seasonal Prep

Winterizing for Seasonal Use

Instructions for preparing the unit for cold weather.

Mineral Scale Build-up and Descaling

Information on scale and descaling procedures.

Troubleshooting

Introduction to Troubleshooting Guide

General approach and tips for troubleshooting.

Troubleshooting - Ignition & Temperature

Burner Ignition Issues Resolution

Steps to resolve when the burner does not ignite.

Water Temperature Troubleshooting (Too Hot/Cold)

Troubleshooting for incorrect water temperatures.

Low Water Flow or Pressure Issues

Steps to fix issues with low water flow or pressure.

Troubleshooting - Fluctuations & Noise

Fluctuating Water Temperature Diagnosis

Diagnosing and fixing temperature fluctuations.

Noisy Burner or Heater Operation Troubleshooting

Troubleshooting causes of noise during operation.

Error Codes C1, C2, CF, CE Solutions

Solutions for specific error codes related to venting.

Error Codes EA, EC Solutions

Solutions for specific error codes related to combustion.

Troubleshooting - Gas Pressure & Adjustment

Internal Recirculation Pump Noise Troubleshooting

Troubleshooting noise from the recirculation pump.

Manifold Gas Pressure Measurement Procedure

Procedure for measuring manifold gas pressure.

Gas and Air Adjustment Overview

Introduction to adjusting gas and air mixture.

Troubleshooting - Gas & Air Adjustment

Automatic Gas and Air Adjustment Process

Step-by-step guide for automatic adjustment.

Troubleshooting - Manual Gas & Air Adjustment

Manual Gas and Air Adjustment Process

Step-by-step guide for manual adjustment.

Troubleshooting - Adjustment Parameters

Internal and L2 Gas Adjustment Details

Details on specific adjustment parameters.

Restore Factory Values for Combustion Settings

How to reset combustion settings to factory defaults.

Troubleshooting - CO Emissions Check

Additional Combustion Settings

Parameters for certification and advanced troubleshooting.

CO Emissions Check Procedure

Steps for checking carbon monoxide emissions.

Troubleshooting - CO Emissions Data

CO2 and CO Target Values Reference

Reference values for CO2 and CO emissions.

Returning to Service After Checks

Steps to safely return the appliance to operation.

Problem Solving - Error Code Diagnostics

Error Code Diagnostics (AO-A9)

Troubleshooting table for initial error codes.

Problem Solving - Error Code Diagnostics

Error Code Diagnostics (AA-CA)

Troubleshooting table for further error codes.

Problem Solving - Error Code Diagnostics

Error Code Diagnostics (CE-E5)

Troubleshooting table for more error codes.

Problem Solving - Error Code Diagnostics

Error Code Diagnostics (E7-F9)

Troubleshooting table for electronic control unit and gas valve errors.

Problem Solving - Error Code Diagnostics

Error Code Diagnostics (FA-FC, Noise, Touch Screen)

Troubleshooting for display errors, noise, and touch screen issues.

Electrical Diagram

Main Electrical Diagram Schematic

Schematic showing electrical connections and components.

Electrical Diagram - Component List

Electrical Diagram Component References

List of components referenced in the electrical diagram.

Sensor Resistance Charts

Temperature vs. Sensor Resistance Graphs

Graphs showing sensor resistance at different temperatures.

Interior Components Diagram

Interior Components Diagram

Visual representation of the heater's internal parts.

Protecting the Environment

Recycling and Water Saving Tips

Information on product recycling and water conservation.

Installer Checklist

Installer Checklist for Installation Completion

A checklist for installers to complete upon installation.

Open Source Components List

List of Used Open Source Components

Lists software components and licenses used in the product.

Arphic Public License Details

Legal terms of the Arphic Public License.

Open Source Components List - Licenses

Arphic Public License Details

Continues legal terms.

SIL Open Font License 1.1 Details

Legal terms of the SIL Open Font License.

Open Source Components List - License Details

SIL Open Font License 1.1 Details

Continues legal terms.

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