Bosch Radiator thermostat II Bedienerhandbuch

Radiator thermostat II

quick instructions

Product description

The intelligent radiator thermostat controls the

valve on the radiator in order to oﬀer you greater

convenience for temperature control.

Description of the symbols

Caution!

Note about hazards

Note:

Additional important information

Note about the installation video

Safety instructions

▶ Do not charge used batteries, and do not at-

tempt to reactivate them using heat or other

means. Do not short-circuit batteries. Do not

throw batteries into ﬁre!

There is a risk of explosion!There is a risk of explosion!

8-750-002-337

▶ Make sure the polarity is correct when in-

serting the batteries! Only use batteries of

the same type. Drained batteries must be re-

moved from the device immediately. Remove

batteries from the device if it is not used for a

longer period of time.

Increased risk of leakage!Increased risk of leakage!

▶ The device is not a toy! Do not allow children to

play with it. Never leave the packaging material

lying around unattended. Plastic ﬁlm and small

parts may pose a danger to children.

▶ Store small cells and batteries which could be

swallowed out of the reach of children. Swal-

lowing can result in burns, perforation of the

soft tissue and death. Severe burns can occur

within 2 hours after swallowing. In the event

that a cell or battery is swallowed, seek medi-

cal assistance immediately.

▶ When remotely or automatically controlling a

device, it is not always possible to guarantee

that commands are actually executed or that

the correct device status is displayed in the

app and on other Smart Home display devices

because of external circumstances. This may

lead to material damage and/or personal in-

jury. Therefore, you must ensure to the great-

est extent possible that no person is endan-

gered at the time of remote operation or auto-

mated control. Please take special care when

setting up or adjusting the remote control or

when using the automated control and check

the desired functionality at regular intervals.

▶ Do not open up the device. It does not con-

tain any parts to be maintained by the user. If a

fault occurs, have the device checked by a spe-

cialist.

▶ We accept no liability for material damage or

personal injury which is caused by improper

use or failure to observe the safety instruc-

tions. In these cases, any guarantee claim be-

comes void! We accept no liability for conse-

quential damage.

▶ This device may be used by children from 8

years of age and by persons with reduced

physical, sensory or mental capacities, or a

lack of experience and knowledge provided

these persons are supervised or have been in-

structed in the safe use of the device, and un-

derstand the corresponding risks.

▶ For safety and approval reasons (CE/UKCA),

the device may not be modiﬁed and/or no

changes may be made to the device without

authorisation.

▶ Any use other than that which is described in

the user manual is considered improper and

leads to the exclusion of guarantee and liabil-

ity.

▶ Do not use the device if it has damage visible

from the outside, for example, to the housing,

to control or connection elements, or if it has

a malfunction. If in doubt, please contact our

service team.

▶ Only operate the device indoors and do not ex-

pose it to moisture, vibrations, extreme cold

temperatures and mechanical stress.

▶ Only operate the device in dry and dust-free

environments without direct sunlight.

▶ Only use the device together with original com-

ponents and recommended products from

Bosch partners.

Notes

▶ The range within buildings can diﬀer signiﬁ-

cantly from the range in open spaces. In addi-

tion to the transmitting power and the receiv-

ing properties of the receiver, environmental

factors such as humidity, as well as the local

structural situation, play an important role.

▶ The device is only suitable for use in residen-

tial environments.

▶ The device is only intended for private use.

▶ Please note that room temperature control via

the radiator thermostat is designed for a dou-

ble-pipe pressurised heating system with a

ﬂow and return pipe per radiator. Use in sin-

gle-pipe heating systems may result is signiﬁ-

cant diﬀerences from the temperature which is

set owing to ﬂuctuations in the ﬂow tempera-

ture.

You can also use the explanatory video and

additional information on our website as

an additional aid for mounting, installing,

starting up and restoring the factory set-

tings on your Bosch Smart Home radiator

thermostat II:

www.bosch-smarthome.com/rom/

radiator-thermostat-2

Product overview

Item Description Explanation

AConnection ring

M 30 × 1.5 mm Is screwed onto the radiator valve or adapter.

BDisplay Only switched on when operating

CStatus LED Multi-coloured, complements the displays on

the screen

DControl knob

• Rotate in direction ++ or –– ,

manually adjust the set temperature

• Press ○○,

conﬁrmation of various operation procedures

EBattery compartment Make sure the polarity is correct when inserting

the batteries!

Item Description Explanation/status

1Battery status Low battery charge

2Wireless status Wireless connection to the controller

3Display area

(adjustable via app)

Display set temperature and further information

(status, device fault, etc.)

4Child lock

Lock/unlock operation on the device:

1. Press ○○ until LCK appears

2. Press ++ or –– to change status

3. Press ○○to conﬁrm

5Ventilation detection Open window detected, valve closed

6Room control manual No time programme active, room temperature is

kept constant

7Room control paused Room control is inactive (heating break), frost

protection is ensured

8Room control automatic Room temperature is changed according to the

active time programme

1 2 3 4 5

6 7 8

The status LED (C) of the radiator thermostat

supplements the display with application-speciﬁc

ﬂashing codes.

Status LED Device status Recommended action

Flashes orange Pairing mode (is

active) or device is

communicating with the

controller

Please wait

Flashes green Pairing mode

(successful) or process

conﬁrmed

Flashes red Pairing mode (not

successful) or

process failed

If this is the ﬁrst pairing attempt, please try

again. Otherwise observe the fault indication

on the display and contact the service team if

necessary.

In normal operation, a plurality of further

flashing sequences, also in other colours

than those mentioned in the table, are

possible.

Mounting instructions

Property damage owing to defective heat-

ing system!

Mounting of the product on defective heat-

ing systems may result in damage to the

product itself (e.g. owing to leaking hot wa-

ter). Have an expert repair damage to the

valves or to the heating system. Observe

the maintenance intervals for your heating

system including valves.

The device displays errors with a need for

action in the display area (3). For an over-

view of possible error codes, see:

www.bosch-smarthome.com/rom/

radiator-thermostat-2

The standards and directives applicable in

your country must be observed during plan-

ning, set-up, operation and maintenance.

In the event of visible damage to the exist-

ing thermostat, to the valve or to the heat-

ing pipes, please consult an expert.

Take care not to catch your fingers when

screwing on the adapter!

Mounting of the radiator thermostat is simple

and can be done without draining the heating

water or interfering with the heating system.

Special tools or switching off the heating are

not required.

For some heating models, you need one of the

adapters supplied or you need to purchase a

specific adapter from a shop. For a detailed

list of compatible radiator valves and informa-

tion on required adapters, see:

www.bosch-smarthome.com/rom/

radiator-thermostat-adapter

Typical assembly sequence

with one adapter

Resetting to factory settings

You can reset the device to its factory settings as

follows:

Remove a battery. Replace the battery while

holding the “○○” button. Hold the button pressed

until the status LED rapidly ﬂashes orange and

“RES” appears on the display. Now release the

button brieﬂy and press and hold it again until the

LED lights green and the notiﬁcation on the dis-

play disappears. The device then restarts. Please

note that it can take a few seconds until the ther-

mostat is ready for operation again.

When resetting to factory settings, the set-

tings and information are only lost from the

device and not from the Bosch Smart Home

controller.

To re-configure the device, first delete it

in the device management section of the

Bosch Smart Home app and then add it

again in the usual configuring process.

Maintenance and cleaning

Removing or changing batteriesRemoving or changing batteries

To remove or change the batteries, open the

cover on the bottom of the device and remove

both batteries. Take care to ensure the correct

polarity when replacing them.

The device does not require maintenance. Leave

any repairs to a specialist. Clean the device with

a soft, clean, dry and lint-free cloth. When clean-

ing, do not use any cleaning agents containing

solvents.

Simpliﬁed declaration of conformity

Robert Bosch Smart Home GmbH hereby

declare that the radio equipment type

Bosch Smart Home BTH-RA corresponds with the

directive 2014/53/EU. The complete text of the

EU declaration of conformity is available via the

following web address:

https://eu-doc.bosch.com

Robert Bosch Smart Home GmbH hereby

declares that the radio system type

BTH-RA complies with Regulation 2017.

The full text of the declaration of conformity is

available at the following internet address:

https://gb-doc.bosch.com

Environmental protection and

disposal

Electrical or electronic devices which are

no longer usable must be collected sepa-

rately and disposed of via an environmen-

tally friendly recycling facility (European Directive

on Waste Electrical and Electronic Equipment).

Use your country’s speciﬁc return and collection

systems when disposing of waste electrical or

electronic devices.

Used batteries do not go in the house-

hold waste! Dispose of them at your local

battery collection point!

Open source software

This Bosch Smart Home product uses open-

source software. License information for the

components used can be found in the attached

documents.

Technical data

Device type

designation

BTH-RA

Protection class IP20

Ambient temperature 0 °C … + 50 °C

Humidity 10 % … 80 %

Housing dimensions

(W × H × D)

51 × 51 × 87 mm

Weight

(without batteries)

135 g

Radio frequency band 2.4 – 2.4835 GHz

Radio protocol ZigBee 3.0

Max. transmitting

power

3 mW

Radio range

in the open

< 50 m

Software class A

Receiver category 2

Batteries 2 × LR6/Mignon/AA

(alkaline)

Battery lifespan

(typical)

< 2 years

Degree of soiling 2

Mode of operation Type 1

Valve connection M30 × 1.5 mm

Max. power

consumption

220 mA / < 0.8 W

Technical modiﬁcations reserved

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