Bosch Room thermostat II 230 V Bedienerhandbuch

Room thermostat II 230 V

quick instructions

Product description

The room thermostat II 230 V allows you to control

your wired heating applications conveniently via

your Smart Home system.

Description of the symbols

Warning!

Note about hazards

Note:

Additional

important information

Note about the installation video

8-750-002-395

Safety instructions

▶ Read this user manual completely before installing

or commissioning the device and pay particular

attention to the hazard information.

▶ The installation of this device and work on the

230 V network must only be carried out by an

electrician.

▶ 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.

▶ 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 instructed

in the safe use of the device, and understand the

corresponding risks.

▶ 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 injury. Therefore, you

must ensure to the greatest extent possible that

no person is endangered at the time of remote

operation or automated 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 paint over the device! Do not apply

wallpaper or paste over the device!

▶ The device is not suitable for disconnection.

▶ 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 liability.

▶ We accept no liability for material damage or

personal injury which is caused by improper use or

failure to observe the safety instructions. In these

cases, any guarantee claim becomes void! We

accept no liability for consequential damage.

▶ Do not use the device if it has damage visible from

the outside, for example, to the housing, control

elements or connection sockets, or if it has a

malfunction. If in doubt, please contact our service

team.

▶ Only operate the device indoors and do not expose

it to moisture, vibrations, constant sunlight or

other sources of heat, extreme cold temperatures

and mechanical stress.

▶ Do not open up the device. It does not contain

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

occurs, have the device checked by a specialist.

▶ Only use the device together with original

components and recommended products from

Bosch partners.

▶ Only operate the device with the control element

attached.

Notes

▶ The range within buildings can diﬀer signiﬁcantly

from the range in open spaces. In addition to the

transmitting power and the receiving properties

of the receiver, environmental factors such as

humidity, as well as the local structural situation,

play an important role.

▶ The device is only intended for use in residential

environments.

▶ The device is only intended for private use.

You can also use the explanatory videos and

additional information on our website as an

additional aid for mounting, installing, starting

up and restoring the factory settings on your

Bosch Smart Home room thermostat II 230 V:

www.bosch-smarthome.com/rom/

room-thermostat-2-230V

Product overview

5 7

Item Name

1Control unit

2LED display

3Status LED

4Rotary knob / system button

5In-wall housing (power supply and switching

relay)

6Control unit connector

7Power supply and consumer terminals

8Sensor terminals

9Wire bridge

(Only use consumers at 230 VAC!)

LED display (2)

Item Name Description

aInformation area Displays error codes or other additional

information.

bHumidity Displays room humidity in normal operation.

cSecondary temperature display Reserved for the display of further temperature

values (if applicable, optional accessories required)

dStatus indicators

Power supply loss Appears when the 230 V power supply is down.

Connection status Wireless connection to the controller is active. In

the event of constant ﬂashing, there is a connection

problem with the controller.

Child lock Press the system button > 3 seconds, adjust the

desired value by turning

Open window The system has detected an open window in the

room. Heating/cooling mode paused.

eCooling mode The device/system is set to cooling mode.

fHeating mode The device/system is set to heating mode.

gRoom control modes

(press system button 1x, select mode)

Automatic Room control is controlled via a schedule.

Manual Temperature at constant value. Can be changed via

rotary knob.

Rest mode Heating or cooling mode paused.

hValue display Displays actual and set temperature. Other

text information in case of an error or during

conﬁguration.

The status LED (3) shows the status of the room

thermostat using ﬂashing codes.

Signal Meaning Measures

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 1x

Pairing mode

(not successful)

process failed

If this is the ﬁrst

tuning attempt,

please try again.

Otherwise reset

the device to the

factory settings and

contact the service

department if

necessary.

Flashes

red

every

15 sec-

onds

Functional error Look for information

in the Smart Home

app. Contact the

service team if

necessary.

Notes regarding installation

The standards and directives applicable in your

country must be observed during planning,

set-up, operation and maintenance.

The device is part of the building installation.

Operation of the device is only permitted

at 230V/50Hz AC voltage. Work on the

230V network may only be carried out by an

electrician. The applicable accident prevention

regulations must be observed here. To avoid

an electric shock on the device, please switch

off the mains power. Failure to observe the

installation instructions may result in fire or

other hazards.

Mounting must be carried out following the

applicable requirements. Failure to observe the

requirements may result in damage to property

and/or injury, or even danger of death.

Please also note any additional information on

the product.

A 230 volt alternating current power supply is

required for this product (the device must have

a phase and neutral conductor).

The product is only intended for fixed

installation in in-wall switch boxes with a

minimum depth of 35 mm and a screw distance

of 60 mm (in accordance with DIN 49073-1) in

indoor areas.

The supplied wire bridge (connection “COM”

and “L” connections) may only be installed with

230 VAC consumers. Non-observance can lead

to destruction of the device, fire or electrical

accident!

When connecting the device terminals, ensure

that permitted wires and wire cross sections

are used.

The consumers connected to the relay outputs

must have sufficient insulation.

Observe the technical data, in particular

the maximum permissible switching power

of the relay and the type of consumer to be

connected, before connecting a consumer.

The device should only be loaded to the

specified power limit. Overloading may result

in destruction of the device, fire or an electrical

accident. Among other things, reliable

switching off of the connected consumer

cannot be guaranteed.

The power circuit to which the device and the

load are connected must be secured with a

circuit breaker in accordance with EN60898-1

(trigger characteristics B or C, max. 16A rated

current, min. 6kA breaking capacity, energy

limitation class 3). Installation guidelines

in accordance with the applicable national

standards, e. g. VDE 0100 or HD384 or IEC

60364, must be observed. The circuit breaker

must be easily accessible for the user and

labelled as a disconnecter for the device.

When using the device in wet rooms such as

bathrooms, a minimum distance of 60 cm from

wet areas, such as a bathtub, shower or wash

basin must be maintained.

Installation and mounting

Before you start: Be sure to shut off the power

circuit breaker!

If necessary, remove an existing thermostat.

Connect the room thermostat II 230 V according to

the connection diagram that suits you.

Operation with 230 V devices

230V

Connec-

tion Description

L External conductor (230 VAC)

NNeutral conductor

COM

Voltage-free input. For 230 V devices,

connect the supply voltage to “L” via a

wire bridge.

NO Switching output for consumers

S1/S2 Connections for external sensors or

potential-free contacts.

External temperature sensor (available

as optional accessory), e. g. installed

in the ﬂoor.

230 V actuator

Operation with 24 V devices

230V

~24V

Connec-

tion Description

L External conductor (230 VAC)

NNeutral conductor

COM

Voltage-free input.

For 24 V devices, input for the external

24 V voltage supply.

NO Switching output for consumers

S1/S2 Connections for external sensors or

potential-free contacts.

External temperature sensor (available

as optional accessory), e. g. installed

in the ﬂoor.

24 V actuator

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