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Bosch Tronic 4000 Series User Manual

Bosch Tronic 4000 Series
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Problems
25
Tronic 4000 – 6721830066 (2021/06)
9Problems
DANGER
Electric Shock!
Disconnect the power supply before carrying out any work
on the appliance.
Installation, repairs and maintenance must only be carried
out by qualified experts.
The following table describes the solutions to possible
problems (some of the problems should only be carried out by
experts).
Table 8 Problems
Problem Cause Solutions
Water flow is too low. The tap or shower filter is
clogged.
Remove the filter, wash or remove the limescale.
The appliance's water filter
is clogged.
Ask an expert to clean the water filter.
Possible flow blockage
caused by the appliance's
flow limiter.
Request an expert to remove the flow limiter( Chapter 7.2).
The appliance does not
turn on.
The fuse/circuit breaker
tripped in the electrical
cabinet.
Check the fuse/circuit breaker in the electrical cabinet.
The water does not heat
up sufficiently.
The power limit was
reached (white LED flashing
1x per second).
Reduce the flow rate of the water tap.
Flow rate too high and/or
cold water inlet
temperature too low
(winter).
Ask an expert to adjust the flow rate by means of the angle valve.
Check the flow limiter or use another to reduce the water flow rate.
Sometimes the
appliance temporarily
stops supplying hot
water.
The appliance detects air in
the water and momentarily
shuts off the heating
elements (white LED
flashing 2x per second).
Wait a few seconds while the appliance purges the air from the
system.
The (red) LED is flashing Malfunction in the
appliance.
Call customer service.

Table of Contents

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Bosch Tronic 4000 Series Specifications

General IconGeneral
TypeElectric Water Heater
Power4.4 kW
InstallationWall-mounted
Power SupplyElectrical
Power Consumption4.4 kW

Summary

Explanation of Symbols and Safety Instructions

Explanation of Symbols

Defines warning signals like DANGER, WARNING, CAUTION, NOTICE and info symbols.

General Safety Instructions

Provides general usage advice, intended use, altitude limits, and installation environment.

Standards and Regulations

Declaration of Conformity

States compliance with EU legislation via CE marking and provides link to full text.

Intended Use

Specifies the appliance is for private/domestic use and any other use is non-compliant.

Included Accessories

Lists specific accessories like shut-off valve and connection nipples.

Accessory Catalogue

Directs users to consult the appliance catalogue for more accessories.

About the Product

Dimensions

Illustrates the appliance's physical dimensions in mm with diagrams.

Transportation and Storage

Provides guidelines for transporting and storing the appliance safely.

Appliance Design

Details the appliance components using a numbered diagram.

Transportation and Storage

Reiterates safe transport and storage in dry, frost-free locations.

User Guide

Operating Panel Overview

Describes the operating panel layout, including the status LED and its indicators.

Pre-Commissioning Checks

Emphasizes initial commissioning by a qualified expert and warns against dry operation.

Power On/Off

Explains how to turn the appliance on by opening a hot water tap and off by closing it.

Temperature Settings and Safety

Details the fixed temperature control at 57°C and risks of scalding with hot water.

Restart After Water Interruption

Provides detailed steps for safe restart after a water supply interruption.

Cleaning Instructions

Advises against abrasive cleaners and steam, recommending mild agents.

Resetting Internal Counters

Explains how to reset internal counters for monitoring consumption.

Wi-Fi Connectivity

Mentions Wi-Fi connectivity support.

Customer Support

Instructs to provide serial number when contacting customer service.

Installation Guide

Installation Prerequisites

Stresses that installation must be done by qualified experts and regulations must be followed.

Choosing the Installation Location

Gives guidance on site selection, including ambient temperature and altitude limits.

Installation Site and Protection Zones

Details protection zones based on electrical connection type and IP ratings.

Unpacking and Cover Removal

Instructions for unpacking and safely removing the appliance cover.

Fascia and Hydraulic Block Removal

Continues instructions for removing the front fascia and hydraulic block.

Water Connection Steps

Provides notices on pipework pressure/temperature limits and purging the circuit.

Water Connection Details

Details identifying water connections and installing shut-off valves.

Wall Mounting Procedure

Guides on removing the back part and using it as a hole pattern for wall mounting.

Wall Mounting Fixings

Details separating fixing parts, fixing them into the wall, and attaching the back to the wall.

Electrical Connection

Warns about electric shock and describes connection options.

Electrical Cable Routing and Levelling

Instructs on passing the power cable through conduit and levelling the appliance.

Securing Appliance to Wall

Explains using spacers for levelling and securing the appliance to the wall.

Hydraulic Block Installation

Instructs to position the hydraulic block into the back of the appliance.

Hydraulic Block Securing and Leak Check

Details positioning pipes, securing the block, and checking for leaks.

Air Purging Procedure

Explains the process of purging air from the appliance after hydraulic connections.

Air Purging Steps

Instructs to turn on a hot water tap for 1 minute to purge air.

Appliance Configuration Overview

Introduces appliance configuration options and safety precautions.

Setting the Power Level

Explains using jumpers J2 and J3 to set the appliance's power level.

Power Level Configuration Table

Presents a table for configuring power levels based on jumper settings.

Setting Maximum Water Temperature

Details using Jumpers J4 and J5 to set the maximum water temperature.

Priority Relay Setup

Explains the requirement and setup for a priority electric circuit.

Electrical Connection

Connection Types and Zones

Covers electrical connection types, safety conditions, and protection zones.

Individual Cable Connection Details

Illustrates lower connection with individual cables and maximum cable length.

Appliance Cover Installation

Instructs to connect the operating panel cable and install the cover.

Cover Securing

Shows steps for placing and securing the appliance cover.

Appliance Commissioning

Initial Commissioning Steps

Outlines the initial commissioning process by a qualified expert.

Maintenance Guide

Maintenance and Repair Guidelines

Emphasizes that maintenance must be by authorized experts using original parts.

Troubleshooting Common Issues

Low Water Flow

Identifies causes like clogged filters or flow limiter and suggests solutions.

Appliance Not Turning On

Suggests checking the fuse/circuit breaker as a possible cause.

Insufficient Water Heating

Links insufficient heating to power limit, suggesting flow rate reduction.

Intermittent Hot Water Supply

Attributes temporary stops to air detection and suggests waiting.

Red LED Error Indicator

Indicates malfunction and advises calling customer service.

Technical Specifications

Detailed Technical Data

Provides detailed technical specifications like rated output, voltage, and flow rates.

Energy Consumption Details

Presents energy consumption data, efficiency classes, and thermostat settings.

Environmental Protection

Data Protection Information

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