Table of Contents
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GAS WATER HEATER
Owner's Guide
Models YS2180RA YS2180RA5 YS2180RAP YS2180RA5P
WARNING
- Do not store or use petrol or other flammable vapours and liquids in the
vicinity of this or any other appliance.
- WHAT TO DO IF YOU SMELL GAS
• Do not try to light the appliance.
• Do not touch any electrical switches; Do not use electrical appilances,
including the phone" inside the building.
• Immediately call you gas supplier, from a safe distance from the gas leak.
- To be installed and serviced only by an authorised person
- This appliance is not suitable for use as a pool heater
Thank you for purchasing this Bosch Gas Water Heater.
Before using, please:
Read this manual completely for operation instructions.
Confirm warranty and proof of purchase.
Keep this manual where it can be found whenever necessary.
Installation must conform with local codes, or in the absence of local codes, AS/NZS5601, AS/
NZS3500.4, AS3000 wiring regulations and all Local Building, Water and Gas fitting regulations.
Bosch reserves the right to discontinue, or change at any time, the designs and/or specifications of
its products without notice.
* Note : This appliance requires a minimum flow rate to operate of 2.5 litres/min., water fixtures with a
flow rate of 7.5 litres/min. or higher are recommended.
For optimum performance we reommend installation of Bosch optional temperature controllers.
SBB80BU
Rev. 04/14
Operating Instructions
YS1780RA YS1780RA5 YS1780RAP YS1780RA5P
If the information in this manual is not followed exactly, a fire or explosion
may result causing property damage, personal injury, or death.
Robert Bosch (Australia) Pty. Ltd.
*SBB80BU*
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Table of Contents
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Summarization of Contents
Important Safety Information
Hazard Level Indicators
Explains DANGER, WARNING, CAUTION levels and general safety symbols.
Flammable Liquids and Gas Safety
Warnings about flammable liquids, gas leaks, and combustion hazards.
Hot Water Temperature Hazards
Dangers associated with hot water temperatures and scalding.
Operational Safety and Emergency Procedures
Pilotless Ignition and Valve Operation
Safe handling of ignition and gas valve controls.
Emergency Response Actions
Steps for gas leaks, abnormal combustion, and natural disasters.
Installation and Usage Restrictions
Prohibited Installation Locations
Guidelines on where the water heater must not be installed.
Combustibles and Electrical Safety
Placement of flammable materials and electrical safety rules.
General Cautions and Maintenance
Unit Handling and Environmental Precautions
Electrical safety, unit covering, and handling precautions.
Water Quality and Frost Prevention
Water Quality and Freezing Cautions
Guidelines for water quality, remote controller care, and freezing.
General Parts
Main Unit Components
Identifies and illustrates the primary parts of the water heater unit.
Names and Functions of Controllers
Main Controller Overview
Details the features and operation of the main controller unit.
Bathroom Controller Overview
Explains the functions and display of the bathroom controller.
Sub Controller Overview
Describes the features and operation of the sub controller unit.
Initial Operation
First-Time Setup Procedure
Step-by-step guide for preparing the water heater for first use.
Clock Adjustment
Setting the Time
Instructions on how to set the clock on the main controller.
Setting and Using the Water Heater
Basic Operation and Temperature Control
Steps for turning on, setting temperature, and checking status.
Controller Priority Function
Managing Multiple Controllers
Explains how to switch priority between different remote controllers.
Muting the Remote Controller
Disabling Button Sounds
Instructions on how to mute or unmute the remote controller's audible feedback.
Bath Fill Function
Filling the Bath Automatically
Details on setting volume, temperature, and starting the automatic bath filling process.
Call Function
Activating the Alarm
How to use the call button to alert the main controller.
Frost Protection
Preventing Freezing Damage
Measures for protecting the unit and pipes from freezing.
Regular Maintenance
Routine Inspections and Cleaning
Covers periodic checks, unit cleaning, and remote controller care.
Water Drain Valve and Filter Care
Step-by-step guide for maintaining the water drain valve.
Troubleshooting
Common Operational Issues
Resolving problems with ignition, initial use, and temperature settings.
Water Flow and Volume Problems
Addressing issues with the amount or consistency of hot water.
Controller and System Errors
Diagnosing remote controller faults, operational sounds, and error codes.
Follow-up Service
Requesting Service and Support
How to contact Bosch, what information to provide, and service agent requirements.
Specifications
Model and Performance Data
Technical specifications and performance metrics for different models.
WATER QUALITY
Water Quality Parameters
Table outlining acceptable limits for water quality to ensure warranty.
Manufacturer's Warranty
Warranty Coverage and Conditions
Details on warranty periods, exclusions, and necessary conditions for claims.
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