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Bosch C 1210 ESC User Manual

Bosch C 1210 ESC
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Temperature Modulated with Electronic Ignition Suitable for heating potable water and space heating
(Intended for variable flow applications)
INDOOR RESIDENTIAL AND COMMERCIAL MODELS
C 1210 ES/ESC
Warning: If the information in this manual is not followed
exactly, a fire or explosion may result causing property dam-
age, personal injury or death.
Do not store or use gasoline or other flammable vapours and
liquids in the vicinity of this or any other appliance.
Improper installation, adjustment, alteration, service or main-
tenance 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 neighbour's
phone. Follow the gas supplier’s instructions.
If you cannot reach your gas supplier, call the fire depart-
ment.
Installation and service must be performed by a qualified
installer, service agency or the gas supplier.
C 1210 ES/ESC - Natural Gas / C 1210 ES/ESC - Liquefied Petroleum (LP) Gas
6 720 644 887 (2013/02) US

Table of Contents

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Bosch C 1210 ESC Specifications

General IconGeneral
BrandBosch
ModelC 1210 ESC
CategoryWater Heater
LanguageEnglish

Summary

Key to Symbols and Safety Instructions

Key to Symbols

Defines warning keywords like NOTICE, CAUTION, WARNING, DANGER.

Safety Instructions

General safety precautions for installation, servicing, and operation.

FCC Rules

Appliance Details

Features

Lists key features of the water heater model.

Specifications (Technical Data)

Provides detailed technical specifications of the appliance.

Unpacking the Heater

Instructions on how to unpack the water heater unit.

The Box Includes

Lists the items included in the product box.

Remove Front Cover

Steps for removing the front cover of the appliance.

General Rules to Follow for Safe Operation

Outlines essential rules for safe installation and operation.

Dimensions and Minimum Installation Clearances

Shows physical dimensions and required clearances for installation.

Installation Instructions

Specialized Tools

Lists specialized tools required for installation.

Introduction

Explains consequences of not following installation instructions.

Venting

Details requirements and precautions for venting the appliance.

Vent Material

Specifies approved materials for vent pipes and fittings.

Vent Specifications

Establishes vent clearances and specifications.

Required Direct Vent Terminal Clearances

Specifies clearances for direct vent terminal installations.

Required Other Than Direct Vent Terminal Clearances

Specifies clearances for other than direct vent terminal installations.

Vent Configuration Examples

Shows approved examples of vertical and horizontal venting installations.

Vent Connections

Details how to attach exhaust and air inlet connection adapters.

Connecting the Condensate Water Drain

Instructions for connecting the condensate water drain.

Freeze Prevention

Provides measures to prevent freezing and damage to the water heater.

Fan Speed Adjustment

Explains how to adjust fan speed based on altitude and vent length.

Combustion Air Requirements

Details requirements for providing adequate combustion air.

Proper Location for Installing Your Heater

Guidance on selecting the correct location for the water heater.

Heater Placement and Clearances

Specifies placement and clearance requirements for the heater.

Mounting Installation

Instructions for mounting the appliance to the wall.

Gas Piping & Connections

Covers gas piping and connection procedures.

FOR NATURAL GAS

Provides capacity tables for natural gas piping.

FOR LP GAS

Provides capacity tables for LP gas piping.

Water Connections

Details how to connect water pipes to the heater.

Water Quality

Discusses water quality impact and recommendations.

Filling the Condensate Trap

Instructions for filling the condensate trap.

Domestic Hot Water Recirculation

Explains recirculation system designs for hot water.

Space Heating Applications

Addresses using the water heater for space heating.

Measuring Gas Pressure

Details the procedure for measuring gas pressure.

Electrical Connections

Electrical Power Supply

Explains electrical power supply requirements and grounding.

Position of the Fuses in Control Unit

Guides on checking and locating fuses in the control unit.

Operation Instructions

Description LCD Display

Explains the functions and indicators on the LCD display.

For Your Safety Read Before Operating Your Water Heater

Essential safety warnings before operating the appliance.

Power

How to turn the appliance on and off.

Temperature Selection

Instructions for selecting the desired hot water temperature.

Use of Optional Remote Control Accessory (Part No. TSTAT2)

Details on using the optional remote control accessory.

Operation

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

Reset Button

How to use the reset button to clear errors.

Program Button

How to use the program button to save temperatures.

Locked Condition

Explains the locked condition and how it is resolved.

Maintenance and Service

Annual Maintenance

Outlines tasks for annual maintenance of the system.

Winterizing for Seasonal Use

Instructions for draining the water heater for seasonal use.

Mineral Scale Build-up

Information on mineral scale, its effects, and descaling.

Condensing Heat Exchanger Unit

Details on the maintenance of the condensing heat exchanger unit.

Adjusting CO2

Procedure for adjusting CO2 levels with a calibrated analyzer.

Program Values

Details on programming the appliance and factory default settings.

Control Board Diagnostics

How to access and interpret control board diagnostic modes.

Troubleshooting

Introduction

General guidance for troubleshooting the appliance.

Burner Does Not Ignite When Hot Water Is Turned ON

Solutions for when the burner fails to ignite.

Water Is Too Hot

Troubleshooting steps for excessive hot water temperature.

Water Is Not Hot Enough

Troubleshooting steps for insufficient hot water temperature.

Low Water Flow/Pressure

Solutions for issues related to low water flow or pressure.

Hot Water Temperature Fluctuates at Tap

Troubleshooting steps for fluctuating hot water temperatures.

Noisy Burner/Heater During Operation

Explains causes and solutions for noisy operation.

Problem Solving

Error Code Diagnostics

Explains error codes displayed by the appliance and their solutions.

Electrical Diagram

Sensor Resistance Charts

Functional Scheme

Interior Components Diagram and Parts List

Interior Components

Identifies and labels internal components of the appliance.

Components Diagram

Contains exploded views and parts lists for appliance components.

Group 1

Exploded view diagram and parts list for Group 1 components.

Group 2

Exploded view diagram and parts list for Group 2 components.

Group 3

Exploded view diagram and parts list for Group 3 components.

Group 4

Exploded view diagram and parts list for Group 4 components.

Group 5

Exploded view diagram and parts list for Group 5 components.

Group 6

Exploded view diagram and parts list for Group 6 components.

Protecting the Environment

LIMITED WARRANTY FOR BOSCH THERM AND GREENTHERM TANKLESS WATER HEATERS

Limited Warranty for C 1210 ES Residential Model

Details the limited warranty for the C 1210 ES residential model.

LIMITED WARRANTY FOR BOSCH THERM 1210 ESC TANKLESS WATER HEATERS

Limited Warranty for C 1210 ESC Commercial Model

Details the limited warranty for the C 1210 ESC commercial model.

Installer Checklist to be Completed by Installer Upon Installation

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