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9.3
Draining of appliance
NOTICE
Material damage due to negative pressure!
Negative pressure can occur during drainage of the appliance.
▶ In case the outdoor unit is placed above the indoor unit: vent the
outdoor unit during drainage, if the pipework between outdoor unit
and indoor unit does not allow negative pressure.
▶ Close the valves SC1 and VC3 to the heating system prior to drainage
or vent the heating system during drainage.
1. Set the 3-way valve in middle position: > System settings > Heat
pump > 3-way valve in centre pos..
2. Disconnect the appliance from power.
3. Connect a hose to the drain valve VA0.
4. Open the drain valve and manual air vent valves at the electrical
heater and at PC0.
9.4
Shut down the heating system
If the heating system is shut down, there is no frost protection for the
appliance.
If the appliance is not in a frost-free room and not in operation, it can
freeze in the event of frost.
▶ If possible, leave the heating system switched on at all times.
- or -
▶ Drain the primary circuit as well as the heating circuit and drinking
water pipes at the lowest point.
- or -
▶ Drain domestic hot water pipes at the lowest point.
▶ Mix antifreeze into the heating water and the heat transfer medium.
▶ Check if frost protection is ensured by antifreeze according to the
instruction of the manufacturers.
10
Troubleshooting
10.1
Operating and fault displays
A fault appears on the display of the user interface. Refer to section 6
Unit troubleshooting in the Installer guide for user interface UI 800 CS
(Part No. 6721864855)
11
Environmental protection and 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.
Pre plumbed cylinder – 6 721 852 928 (2023/04)
Old electrical and electronic appliances
This symbol means that the product must not be disposed
of with other waste, and instead must be taken to the waste
collection points for treatment, collection, recycling and
disposal.
The symbol is valid in countries where waste electrical and
electronic equipment regulations apply, e.g. "(UK) Waste Electrical and
Electronic Equipment Regulations 2013 (as amended)". These
regulations define the framework for the return and recycling of old
electronic appliances that apply in each country.
As electronic devices may contain hazardous substances, it needs to be
recycled responsibly in order to minimize any potential harm to the
environment and human health. Furthermore, recycling of electronic
scrap helps preserve natural resources.
For additional information on the environmentally compatible disposal
of old electrical and electronic appliances, please contact the relevant
local authorities, your household waste disposal service or the retailer
where you purchased the product.
You can find more information here:
www.weee.bosch-thermotechnology.com/
Batteries
Batteries must not be disposed together with your household waste.
Used batteries must be disposed of in local collection systems.
12
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
/ UK GDPR), to fulfil our duty of product surveillance and for product
safety and security reasons (art. 6 (1) sentence 1 (f) GDPR / UK GDPR),
to safeguard our rights in connection with warranty and product
registration questions (art. 6 (1) sentence 1 (f) GDPR / UK 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 / UK 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 and the United Kingdom. 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 / UK GDPR. To exercise your rights,
please contact us via privacy.ttgb@bosch.com To find further
information, please follow the QR-Code.
Troubleshooting
35
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