Bosch TR7000R Electronic Water Heater Instruction Manual

TR7000R
TR7000R 18/21 DESOAB | 24/27 DESOAB

Operating instructions

Important safety information

This appliance is intended for domestic use and the household environment only.
Please read these instructions carefully, then act accordingly! Store for future reference. These instructions must be included when transferring this appliance to a new owner.

CAUTION:
Risk of electric shock!
▶ Switch off the mains voltage supply immediately if a fault occurs.
▶ 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.).
▶ Observe the safety instructions and warnings.
▶ Observe national and regional regulations, technical rules and guidelines.

• The installation and initial start-up must be undertaken by a specialist who complies with the enclosed installation instructions. The safety information in the installation instructions must be observed. We do not accept liability for damage resulting from failure to heed these instructions and the installation instructions.
• If the output temperature of the water leaving the tap is higher than the set temperature, then this is because the supply water temperature from the domestic system is too hot, e. g. due to its being heated by a solar energy unit.
• The mixer and the warm water pipe may be hot. Please inform and instruct children appropriately.
• 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.
• Repairs must only be carried out by an authorised technician. Improper repairs can lead to risk of serious injury to the user.

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.” Congratulations on purchasing this BOSCH appliance. You have acquired a top-quality product, which will give you a lot of enjoyment.

Operating instructions

Getting to know your appliance

This appliance is an electronically-regulated, pressurized continuous flow heater for decentrally supplying hot water.
The electronic continuous-flow heater heats the water as it flows through the appliance. One or more taps can be supplied with warm water.

Operating elements and displays

1 Display
2 Rotary selector switch

Operating the appliance

Switching the appliance on and off
The continuous-flow heater switches on and heats the water when the warm water tap is opened. It switches off again if the water tap is closed.

Setting the water temperature

• Turn the rotary selector switch.
  Any desired temperature can be set between 30 °C to 60 °C in increments of 0.5 °C.
  The display shows the selected temperature.

Note: The displayed temperature is the water temperature inside the appliance. The temperature of the water leaving the tap can vary from this due to heat losses in the pipework.

Error message in the display
If an error message “E..” appears in the display or an LED flashes, see chapter “A fault, what to do?”.

Solar heated
The appliance can be operated with pre-warmed water (for example, from a solar energy unit).

CAUTION:
Attention!
Scalding danger!
▶ If the output temperature of the water leaving the tap is higher than the set temperature, then this is because the supply water temperature from the domestic system is too hot, e. g. due to its being heated by a solar energy unit.

• The thermostatic premixer in the domestic supply must be set accordingly to lower temperatures.

Startup after power failure

• Open the warm water tap fully and allow water to flow until it is warm.

Using the appliance after switching off the water supply

• Switch off the appliance (unscrew the fuse in the fusebox).
• Open the warm water tap and keep it open until the air has been completely forced out of the water pipe.
• Switch the fuse back on again.
• Open the warm water tap fully and allow water to flow for at least one minute.

Only then (for safety reasons) will the appliance begin to heat.
The appliance is now ready to operate.

Saving energy

• Set the desired water temperature directly on the appliance.

Note: Mixing in of cold water at the faucet/fitting consumes unnecessary water and energy.
This also accelerates calcification (scaling) of the appliance. Therefore, please always set the desired temperature directly on the continuous flow heater.

Winter operation

Note: It is possible in winter that the supply temperature of the water is
reduced and the required outlet temperature is no longer achieved.

• Reduce the water flow on the taps until the desired water temperature is reached.

Cleaning

• Only wipe off the appliance using a moist cloth.
• Do not use acidic or abrasive cleaning materials.
• Do not use a steam cleaner.

Customer Service

We ask you to always provide the BOSCH No. (SNR/TTNR) of your appliance when calling in a customer service engineer. You will find the numbers on the ratings plate on the inner side of the front flap.

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.

Guarantee

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. The bill of sale or receipt must be produced when making any claim under the terms of this guarantee.
In addition to the warranty claims against the vendor arising from the sales contract and in addition to our appliance guarantee, we offer compensation in accordance with the following conditions:

• If water damage is caused due to a malfunction of our AquaStop system, then we shall compensate damages to private consumers.
• The liability guarantees applies for the service life of the appliance.
• The prerequisite of the guarantee claim is that the appliance is correctly installed and connected with AquaStop in accordance with our instructions. Our guarantee does not extend to cover defective supply piping or faucets up to the AquaStop connection.
• In general, you neither need to supervise appliances with AquaStop while they are operating nor do you need to shut off the water supply afterward by closing the water tap. The water tap only needs to be shut off during longer absences from your residence, e.g. when going on holidays lasting several weeks.

Subject to change without notice.

A fault, what to do?

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

Faults that the customer can troubleshoot himself

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.

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

Faults that the customer service specialist should troubleshoot

Faults that are automatically remedied

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