TR4000 - Chauffe-eau et chaudière BOSCH - Free user manual and instructions

Brand	Bosch
Model	TR4000
Product type	Electronic instantaneous water heater
Installation type	Under-sink or over-sink depending on model
Performance (kW)	3.6 / 4.5 / 6 / 7.2 depending on model
Power supply	230 V ~
Rated current	Up to 31.3 A
Fuse protection	16 to 32 A depending on model
Rated pressure	10 bar (1 MPa)
Weight	1.1 kg
Protection index	IP24
Max. inlet temperature	20 °C
Energy efficiency class	A
Annual energy consumption	Approximately 475 kWh
Acoustic power level	15 dB(A)
Draw-off profile	XXS
Water connection	G 3/8" or G 1/2" depending on model
Flow limiter	Present (adjustable)
Main functions	Automatic heating, service indicator on some models, overheat cut-out safety, pressure-resistant
Maintenance	Clean the exterior with a mild detergent, clean the jet regulator strainer

Frequently Asked Questions - TR4000 BOSCH

How to install the TR4000 water heater?

Installation must be carried out by a qualified technician. Turn off the water supply and electrical power before mounting. Follow the installation instructions provided with the device.

What to do if the water does not heat up?

First check the fuse of the household installation. Make sure the water flow is at least 2 liters per minute. If the problem persists, perform a start-up purge by letting hot water run for 30 seconds.

How to adjust the water temperature?

Fully open the hot water tap. Adjust the temperature by decreasing the flow to increase temperature, or by adding cold water to decrease it.

What is the power consumption of the TR4000?

The annual consumption is approximately 475 kWh. The power varies from 3.6 to 7.2 kW depending on the model.

How to clean the water heater?

Clean the exterior with a mild detergent and a cloth. Do not use steam cleaners or harsh products. Regularly clean the jet regulator strainer to remove limescale.

What to do in case of a water leak?

Immediately close the cold water supply line. Disconnect the device from the electrical grid and contact a qualified technician.

Can I use preheated water with this device?

No, the device must not be supplied with preheated water. This could trigger the overheat fuse and damage the device.

How to descale the water heater?

Descaling must be performed by a specialist. Do not use aggressive detergents. Clean the strainer regularly to prevent limescale buildup.

Where to find the after-sales service numbers?

The E and FD numbers are indicated between the water connection pipes. Contact Bosch after-sales service providing these references.

What are the different models of the TR4000 series?

The series includes under-sink models (TR4000 4 ET, 5 ET, 6 ET, 8 ET) and over-sink models (TR4000 6 EB, 8 EB). They differ in power and connection type (plug or fixed).

USER MANUAL TR4000 BOSCH

Exterior view of a Bosch industrial control unit with two threaded connectors (no visible text or symbols)

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Exterior view of a white industrial battery unit with Bosch branding (no readable text beyond branding)

12 Eine Störung, was tun? .... 10

12 Eine Störung, was tun?

WARNUNG:

Achtung!

Table of Contents 1 Safety information

1 Safety information.... 12

2 Installation instructions.... 14

2.1 Unpacking.... 14
2.2 Product description.... 14
2.3 For all appliances.... 15
2.4 Only for TR4000 4 ET and TR4000R 4 ET ..... 15

2.5 Only for TR4000 5 ET, TR4000 6 ET, TR4000 6 EB, TR4000 8 ET and TR4000 8 EB (fixed electrical connection) ..... 15

2.6 Undersink appliances 15

2.7 Over-sink appliances 15

2.8 Only for TR4000 5 ET, TR4000 6 ET, TR4000 6 EB, TR4000 8 ET and TR4000 8 EB (fixed electrical connection) ..... 15

2.9 Installation.... 15

2.10 Controlling temperature 16

2.11 TR4000 5 ET, TR4000 6 ET, TR4000 6 EB, TR4000 8 ET and TR4000 8 EB (fixed electrical connection)....16

2.12 TR4000 4 ET and TR4000R 4 ET ..... 16

2.13 For all appliances 16

3 After installation 16

3.1 TR4000 5 ET, TR4000 6 ET, TR4000 6 EB, TR4000 8 ET and TR4000 8 EB (fixed electrical connection)....16

3.2 TR4000 4 ET and TR4000R 4 ET ..... 16

3.3 Initial rinsing.... 16

3.4 Controlling temperature 16

4 Technical data.... 17

5 Operating instructions ..... 18

6 Operation 18

6.1 Switching on.... 18

6.2 Switching off 18

6.3 Regulating water temperature.... 18

7 Cleaning 18

8 Maintenance.... 18

9 Customer Service 19

10 Environmental protection/disposal 19

11 Guarantee.... 19

12 A fault, what to do? .... 20

13 Data Protection Notice 21

This appliance is intended for domestic use and the household environment only.

• Install and operate the appliance as described in the text and illustrations. We do not accept liability for damage resulting from failure to heed these instructions.

- This appliance is intended for use up to an altitude of 2000 m above sea level.

- The appliance may only be installed and stored in a frost-free room (due to residual water).

- The appliance is not suitable for supplying water for showering.

WARNING:

Risk of electric shock!

Switch off the mains voltage supply immediately if a fault occurs (TR4000 5 ET, TR4000 6 ET, TR4000 6 EB, TR4000 8 ET, TR4000 8 EB) or disconnect the plug from the mains supply (TR4000 4 ET, TR4000R 4 ET). Immediately shut off the cold water supply to the appliance should it leak.

These installation instructions are intended for plumbers, heating engineers and electricians. All instructions must be observed. Failure to comply with instructions may result in

material damage and personal injury, including possible loss of life.

▶ Read the installation instructions (heat source, heating controller, etc.) before installation ( chapter 2).

▶ Observe the safety instructions and warnings.

▶ Observe national and regional regulations, technical rules and guidelines.

• The appliance may only be connected and put into operation by a qualified professional.

- In order to avoid potential sources of danger, repairs and maintenance may only be undertaken by a suitably qualified specialist. Improper repairs can lead to risk of serious to the user.

- Shut off the water supply before connecting the appliance. The electrical connection must be disconnected from the mains supply. Unscrew the fuse or switch off the circuit breaker.

- Never open the appliance without disconnecting the power supply beforehand.

- Only connect the continuous-flow heater to a cold water line.

- Connect the water supply first, circulate water through the appliance and then connect the electrical supply.

- Observe the statutory regulations as well as the connection regulations of

the electrical and water utility companies.

- Compliance with the IEC60364-7-701 (DIN VDE 0100 Part 701) must be observed during installation of the appliance or the electrical accessories.

- The continuous-flow heater is a Class I appliance and must be connected to the protective earth.

- Permanently installed appliances must be permanently connected to fixed wiring. The conductor cross-section must comply with the appliance being installed.

CAUTION:

Earthed water pipes may give the appearance of a connected protective earth.

- During installation, an all-pole separator must be fitted with a minimum contact gap of 3 ~mm , according to chapter 4.

- Ensure that the inlet water pressure, maximum and minimum, is according with the value specified by the manufacturer (→ chapter 4).

- The water inlet of this appliance shall not be connected to inlet water obtained from any water heating system.

- The continuous-flow heater is suitable for connection to DVGW-tested plastic pipes.

• After installation, electrically live parts must be touch protected.
- The appliance should be disconnected from the electrical mains supply when working on the water supply. After service work is complete, proceed as during the first-time appliance start-up.
- The electrical mains supply and the water supply must be shut off before all work on the appliance.
- No changes may be made to the appliance.
- The warm water pipe may be hot. Please inform and instruct children appropriately.
- If the power cord of this unit is damaged, it must be replaced by the manufacturer, an authorised servicing agent or a similarly qualified person so as to avoid danger.
- Do not use aggressive or abrasive cleaning detergents!
- Do not use a steam cleaner.
• The appliance is only to be descaled by a suitably qualified specialist.

Safety of electrical devices for domestic use and similar purposes

The following requirements apply in accordance with EN 60335-2-35 in order to prevent hazards from occurring when using electrical appliances:

"This appliance can be used by children of 3 years and older, as well as by people with reduced physical, sensory or mental capabilities or lacking in experience and knowledge, if they are supervised and have been given instruction in the safe use of the appliance and understand the resulting dangers. Children shall not play with the appliance. Cleaning and user maintenance must not be performed by children without supervision."

"If the power cable is damaged, it must be replaced by the manufacturer, its customer service department or a similarly qualified person, so that risks are avoided."

Please read this installation and operating instruction manual carefully, then act accordingly! Store for future reference.

2 Installation instructions

Install the continuous-flow heater as described in the illustrated section. Observe the instructions in the text.

2.1 Unpacking

• Inspect the new appliance for transport damage!
• Please dispose of the packaging, and if applicable, the old appliance in an environmentally-friendly manner.

Scope of delivery (Fig. 1)

1. Housing
2. Mounting (3 screws, 3 wall plugs)
3. Operation indicator (only on TR4000 6 EB and TR4000 8 EB)
4. Installation bracket
5. Mounting bracket
6. Aerator
7. Documentation

2.2 Product description

The electronic continuous-flow heater is suitable for closed (pressurised) connections. It heats the water as it passes through the appliance.

The continuous-flow heater switches on and heats the water when the warm water tap is opened. It switches off as soon as the tap is closed.

The appliance may not be operated with pre-heated water, as otherwise the overtemperature protection will trip.

This installation and operating instruction manual describes various appliance types:

Over-sink appliances:

• TR4000 6 EB and TR4000 8 EB: for fixed electrical connection

Undersink appliances:

- TR4000 4 ET and TR4000R 4 ET: with plug connection - TR4000 5 ET, TR4000 6 ET and TR4000 8 ET: for fixed electrical connection

Only for permanently installed appliances:

The device is compliant to IEC 61000-3-12.

Preparations for installation (Fig. 2)

- Shut off the water supply before connecting the appliance. The electrical connection must be disconnected from the mains supply. Unscrew the fuse or switch off the circuit breaker.

2.3 For all appliances

A clearance of about 60 mm on all sides of the appliance is required for installation.

- Observe the technical appliance data.

- Break out the installation bracket from the rear of the appliance (A).

2.4 Only for TR4000 4 ET and TR4000R 4 ET

• Break out one of the side knock-outs (B1) provided for an incoming electrical supply cable.
• Feed the desired length of the incoming electrical supply cable downwards through the knock-out (B2).
• Important: Connect the unit only to a mains socket with protective contact that is installed according to regulations. Do not use an extension cord. If necessary, equip the unit with a longer cord.

2.5 Only for TR4000 5 ET, TR4000 6 ET, TR4000 6 EB, TR4000 8 ET and TR4000 8 EB (fixed electrical connection)

- Press the upper and lower latches (C1), then remove the housing cover (C2).

FIG. 3. Wall mounting

2.6 Undersink appliances

- Attach mounting template D to the wall.

• Mark the locations for the holes; drill the holes and insert the wall plugs.
• Attach the installation bracket to the wall using the screws (D1).

Only for permanently installed appliances:

• Pass the connection cable through the cable grommet, suspend the appliance in the installation bracket and screw it onto the mounting bracket (D2).

Only for appliances with mains plug:

- Suspend the appliance in the installation bracket and screw it onto the mounting bracket (D3).

2.7 Over-sink appliances

• Attach mounting template E to the wall.
• Mark the locations for the holes; drill the holes and insert the wall plugs.
• Attach the installation bracket to the wall (E1).
• Pass the connection cable through the cable grommet, suspend the appliance in the installation bracket and screw it onto the mounting bracket (E2).

2.8 Only for TR4000 5 ET, TR4000 6 ET, TR4000 6 EB, TR4000 8 ET and TR4000 8 EB (fixed electrical connection)

• The variants for feed through of cables using flush mounting electrical connection should be observed on the mounting template.
• The cable grommet must completely enclose the connection cable to guarantee optimum protection against dampness. The opening must be sealed watertight if it is damaged.
• Use the openings provided on the rear for mounting.

Water connection (Fig. 4)

• The tap and outlet fittings must be approved for operation with closed (pressurized) continuous-flow heater system.
• The appliance is only approved for heating water with a specific electric resistance of ≥ 1300 cm at 15^ . Your water utility company can give you information about the specific water resistance.

2.9 Installation

• Ensure the axial fit of the connection pipes in the nozzles.
• Tighten the union nuts on the nozzles with an open-end wrench and counter hold with a suitable open-end wrench.
• The T-piece (for the pressurised connection) and flexible connection hose are available commercially.
• Exchange the perlator from the tap fixture with the supplied aerator to change the spray pattern of the tap.

2.10 Controlling temperature

The supply temperature (probably lower in winter) and pressure fluctuations can influence the temperature of the water leaving the tap.

• Turn the valve slowly in the closed direction for higher temperatures (F1).
• Add cold water for lower temperatures (F2).

Electrical connection (Fig. 5)

2.11 TR4000 5 ET, TR4000 6 ET, TR4000 6 EB, TR4000 8 ET and TR4000 8 EB (fixed electrical connection)

• Connect the appliance on the terminal strip in accordance with the connection schematic.
• Put on the housing cover and push it onto the rear wall of the appliance so that the upper and lower latches engage.

Replacing the Power Supply Cord:

- The power supply cord must be replaced by our customer service only in order to avoid a hazard. The mains plug must be pulled before replacing.

2.13 For all appliances

- Vent the continuous-flow heater: Fully open the warm water tap and flush out the appliance for about 1 minute (G), until bubbles no longer emerge.

3 After installation

3.1 TR4000 5 ET, TR4000 6 ET, TR4000 6 EB, TR4000 8 ET and TR4000 8 EB (fixed electrical connection)

Switch on the fuses.

- Insert the plug into the mains socket.

First start-up (Fig. 6)

3.3 Initial rinsing

- Open the warm water tap and allow water to flow for at least 1 minute (flow-rate at least 2 litres per minute). Only then (for safety reasons) will the appliance begin to heat.

Info: The appliance will not heat if the dispensed water flow is interrupted prematurely. Open the warm water tap again and allow water to flow for at least 1 minute.

Tip: Should the appliance not start because of a reduced flow-rate, remove the perlator, aerator or similar before starting and repeating the process.

Important: If the continuous-flow heater does not have sufficient water flow due to low water line pressure in your domestic plumbing system:

• Switch off the circuit-breakers/fuses or remove the mains plug.
• Remove the flow-rate limiter (H1–H4).

3.4 Controlling temperature

The supply temperature (probably lower in winter) and pressure fluctuations can influence the temperature of the water leaving the tap (see Fig. 4, left: pressurised [closed], right: unpressurised [open]).

• Turn the valve slowly in the closed direction for higher temperatures (F1).
• Add cold water for lower temperatures (F2).
• Hand over the installation and operating instructions to the user and explain how the appliance operates.

4 T e c h n i c a l d a t a

Type		TR4000 4ETTR4000R 4ETUndersink	TR4000 5ETUndersink	TR4000 6ETUndersink	TR4000 8ETUndersink	TR4000 6EBOver-sink	TR4000 8EBOver-sink
Design pressurised pressurised pressurised pressurised pressurised pressurised
Power	[kW]	3,6	4,5	6	7,2	6	7,2
Electrical connection [V] 230 230 230 230 230 230
Minimum cable cross-section	[mm2]	1,5	2,5	4	4	4	4
Rated current	[A]	15,7	19,1	26	31,3	26	31,3
Fuse protection	[A]	16	20	32	32	32	32
Water connection thread	[Inch]	G 3/8	G 3/8	G 3/8	G 3/8	G 1/2	G 1/2
Supply temp. max.	[°C]	20	20	20	20	20	20
Warm water output at supply temp. of 12 °C to 38 °C	[l/min]	1,9 2,4 3,2 3,9 3,2 3,9
Protection type	IP	24	24	24	24	24	24
Switch on flow pressure (with-out flow rate limiter)	[bar]	< 0,3	< 0,3	< 0,3	< 0,3	< 0,3	< 0,3
Switch on flow	[l/min]	1,8	1,8 / 1,9	1,8 / 2,1	1,8 / 2,3	1,8 / 2,1	1,8 / 2,3
Switch off flow	[l/min]	1,6	1,6 / 1,7	1,6 / 2,0	1,6 / 2,2	1,6 / 2,0	1,6 / 2,2
Flow limit at	[l/min]	2	2	3	4	3	4
Weight	[kg]	1,1	1,1	1,1	1,1	1,1	1,1
Application area in water: specific electric resistance at 15 °C	[Ωcm]	≥ 1 300	≥ 1 300	≥ 1 300	≥ 1 300	≥ 1 300	≥ 1 300
Rated pressure	[MPa (bar)]	1,0 (10,0)	1,0 (10,0)	1,0 (10,0)	1,0 (10,0)	1,0 (10,0)	1,0 (10,0)
Plug-in ready		√	-	-	-	-	-
Fixed connection		-	√	√	√	√	√
Energy efficiency class		A A A A A A
Load profile		XXS	XXS	XXS	XXS	XXS	XXS
Annual energy consumption	[kWh]	475	477	474	475	474	475
Daily energy consumption	[kWh]	2,180	2,190	2,170	2,180	2,170	2,180
Sound power level	[dB]	15	15	15	15	15	15
Hot water heating energy efficiency	[%]	39	39	39	39	39	39

The temperature of the water leaving the tap is dependent on the flow of water:

5 Operating instructions

Please read and observe the detailed safety instructions at the start of these instructions!

- Important: The appliance may never be exposed to frost!

WARNING:

Risk of electric shock!

Switch off the mains voltage supply immediately if a fault occurs (TR4000 5 ET, TR4000 6 ET, TR4000 6 EB, TR4000 8 ET, TR4000 8 EB) or disconnect the plug from the mains supply (TR4000 4 ET, TR4000R 4 ET).

- Immediately shut off the cold water supply to the appliance should it leak.

6 O p e r a t i o

The electronic continuous-flow heaters of this series operate automatically.

6.1 Switching on

- Open the tap fully. The electronic continuousflow heater switches on. The water is heated as it flows through the appliance. The over-sink appliances TR4000 6 EB and TR4000 8 EB feature an automatic operation indicator. The operation indicator lights yellow at half power and red at full power, dependent on the water flow rate.

6.2 Switching off

- Close the tap, and the appliance will switch off.

6.3 Regulating water temperature

• Open the tap fully, and the appliance switches on.
• Now increase the temperature of the water by reducing the flow of water.

i

Info: In winter, the temperature of the water supply may be lower, so that the temperature of the water leaving the tap will not be reached. Please proceed as described under "Water connection".

7 C I e a n i n g

Do not use aggressive or abrasive cleaning detergents!

Do not use a steam cleaner.

• Clean appliance externally with a mild cleaning agent.
  • Clean the dirt and lime scale deposits in the aerator filter.

8 Maintenance

Repairs and maintenance may only be carried out by an authorised customer service representative to avoid potential sources of danger.

- The electrical mains supply and the water supply must be shut off before all work on the appliance.

9 C u s t o m e r

We ask you to always provide the E-No. and the FD-No. of your appliance when calling in a customer service engineer.

You will find the number between both water connection nozzles of the continuous-flow heater.

10 Environmental protection/disposal

Environmental protection is a fundamental corporate strategy of the Bosch Group.

The quality of our products, their economy and environmental safety are all of equal importance to us and all environmental protection legislation and regulations are strictly observed.

We use the best possible technology and materials for protecting the environment taking account of economic considerations.

Packaging

Where packaging is concerned, we participate in country-specific recycling processes that ensure optimum recycling. All of our packaging materials are environmentally compatible and can be recycled.

Used appliances

Used appliances contain valuable materials that can be recycled.

The various assemblies can be easily dismantled. Synthetic materials are marked accordingly. Assemblies can therefore be sorted by composition and passed on for recycling or disposal.

Used electrical and electronic appliances

Electrical or electronic devices that are no longer serviceable must be collected separately and sent for environmentally compatible recycling (in accordance with the European Waste Electrical and Electronic Equipment Directive).

To dispose of old electrical or electronic devices, you should use the return and collection systems put in place in the country concerned.

Batteries must not be disposed together with your household waste. Used batteries must be disposed of in local collection systems.

1SGuarantee v i c e

The guarantee conditions for this appliance are as defined by our representative in the country in which it is sold. Details regarding these conditions can be obtained from the dealer, from whom the appliance was purchased, or directly from our representative in the country. Furthermore, the guarantee conditions can also be found on the Internet at the website address stated. The bill of sale or receipt must be produced when making any claims under the terms of this guarantee.

Subject to change without notice.

12 A fault, what to do?

WARNING:

Attention!

Repairs must only be carried out by an authorised technician. Improper repairs can lead to risk of serious injury to the user.

If your appliance does not operate as required, it is often due to a very minor problem. Please check whether you can remedy the fault yourself by using the following guidelines. You will save yourself the costs of an unnecessary visit by customer service personnel.

Fault Cause Solution Who
The appliance does not start (heat), no water flows.	The fuse in the house electrical installation has tripped/blown.	Check the fuse in the house electrical installation. Customer
	Power failure or initial start-up.	Starts rinsing:Open the warm water tap and allow water to flow for at least 30 seconds (flow-rate at least 2 litres per minute). Only then (for safety reasons) will the appliance begin to heat.Should the appliance not start because of a reduced flow-rate, remove the perlator, shower head or similar before start and repeat the process.	Customer
	The air sensor in the appliance detects air in the water and momentarily switches the heating element off.
The desired water temperature leaving the tap is no longer reached.	The supply temperature has reduced.	Reduce the water flow on the taps until the desired water temperature is reached.	Customer
Water flow-rate is too low.	The filter in either the water tap or the showerhead is clogged.	Remove the filter and either clean it or descale it. Customer
	The filter in the corner regulating valve is clogged.	Remove, clean and reinstall the filter. Circulate water through the appliance. If necessary, repeat this procedure until the filter is free of particles.	Servicing expert
The water is not sufficiently warm.	The appliance's automatic circuit breaker has been tripped.	Get the appliance's automatic circuit breaker checked by an electrician. Check the permissible supply temperature.	Servicing expert
	Water flow-rate is too high and/or the cold water supply temperature is too low.	Use the angle valve to regulate the flow-rate.Check the flow-rate limiter or replace it with a smaller one.	Servicing expert

If the fault could not be eliminated, please call customer service.

13 Data Protection Notice

We, Bosch Thermotechnology Ltd., Cotswold Way, Warndon, Worcester WR4 9SW, United Kingdom process product and installation information, technical and connection data, communication data, product registration and client history data to provide product functionality (art. 6 (1) sentence 1 (b) GDPR), to fulfil our duty of product surveillance and for product safety and security reasons (art. 6 (1) sentence 1 (f) GDPR), to safeguard our rights in connection with warranty and product registration questions (art. 6 (1) sentence 1 (f) GDPR) and to analyze the distribution of our products and to provide individualized information and offers related to the product (art. 6 (1) sentence 1 (f) GDPR). To provide services such as sales and marketing services, contract management, payment handling, programming, data hosting and hotline services we can commission and transfer data to external service providers and/or Bosch affiliated enterprises. In some cases, but only if appropriate data protection is ensured, personal data might be transferred to recipients located outside of the European Economic Area. Further information are provided on request. You can contact our Data Protection Officer under: Data Protection Officer, Information Security and Privacy (C/ISP), Robert Bosch GmbH, Postfach 30 02 20, 70442 Stuttgart, GERMANY.

You have the right to object, on grounds relating to your particular situation or where personal data are processed for direct marketing purposes, at any time to processing of your personal data which is based on art. 6 (1) sentence 1 (f) GDPR. To exercise your rights, please contact us via [e-mail] To find further information, please follow the QR-Code.

9 Klantenservice....40

10 Milieubescherming/afvalverwerking....40

Install the flow water heater as described in the illustrated section. Follow the instructions in the text.

2.1 Отпакување

Exterior view of a white industrial battery unit with two top ports and a terminal plug (no visible text or symbols)

Exterior view of a white industrial battery unit with two top ports and a labeled section (no readable text or symbols beyond branding)

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Cross-sectional diagram of a mechanical or electrical component with internal compartments and mounting points (no text or symbols visible)

A↓

Cross-sectional diagram of an industrial electrical enclosure showing internal components and wiring (no text or labels)

A↓

Diagram of an electrical fuse assembly with a power outlet, showing internal components and wiring (no text or labels)

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2

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[1] TR4000 4 ET | TR4000R 4 ET
[2] TR4000 5 ET | 6 ET | 8 ET | 6 EB | 8 EB

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