Busch-Jaeger 1094 U User manual

2CKA001473B8289
│ 05.07.2018
Product manual
Electronic room temperature controller
insert
1094
– 1097 U
1094
– 1097 UTA
1095 UF

Table of contents
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Tableofcontents
1 Notes on the instruction manual.......................................................................................................................3
2 Safety.................................................................................................................................................................4
2.1 Information and symbols used .............................................................................................................4
2.2 Intended use..........................................................................................................................................5
2.3 Improper use .........................................................................................................................................5
2.4 Target group / Qualifications of personnel...........................................................................................6
2.4.1 Operation...........................................................................................................................................6
2.4.2 Installation, commissioning and maintenance..................................................................................6
2.5 Safety instructions.................................................................................................................................7
3 Information on protection of the environment..................................................................................................8
3.1 Environment ..........................................................................................................................................8
4 Setup and function............................................................................................................................................9
4.1 Functions...............................................................................................................................................9
4.2 Features of function and equipment.....................................................................................................9
4.3 Possible combinations ........................................................................................................................10
5 Technical data.................................................................................................................................................11
6 Connection, installation / mounting................................................................................................................12
6.1 Requirements for the electrician.........................................................................................................12
6.2 Mounting/dismantling..........................................................................................................................13
6.3 Electrical connection...........................................................................................................................15
7 Commissioning................................................................................................................................................16
8 Operation.........................................................................................................................................................17
9 Maintenance....................................................................................................................................................19
9.1 Cleaning...............................................................................................................................................19
10 Index................................................................................................................................................................20

Notes on the instruction manual
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1 Notes on the instruction manual
Please read through this manual carefully and observe the information it contains. This will
assist you in preventing injuries and damage to property, and ensure both reliable operation and
a long service life for the device.
Please keep this manual in a safe place.
If you pass the device on, also pass on this manual along with it.
Busch-Jaeger accepts no liability for any failure to observe the instructions in this manual.
If you require additional information or have questions about the device, please contact Busch-
Jaeger or visit our Internet site at:
www.BUSCH-JAEGER.de

Safety
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2 Safety
The device has been constructed according to the latest valid regulations governing technology
and is operationally reliable. It has been tested and left the factory in a technically safe and
reliable state.
However, residual hazards remain. Read and adhere to the safety instructions to prevent
hazards of this kind.
Busch-Jaeger accepts no liability for any failure to observe the safety instructions.
2.1 Information and symbols used
The following Instructions point to particular hazards involved in the use of the device or provide
practical instructions:
Danger
Risk of death / serious damage to health
– The respective warning symbol in connection with the signal word "Danger"
indicates an imminently threatening danger which leads to death or serious
(irreversible) injuries.
Warning
Serious damage to health
– The respective warning symbol in connection with the signal word "Warning"
indicates a threatening danger which can lead to death or serious
(irreversible) injuries.
Caution
Damage to health
– The respective warning symbol in connection with the signal word "Caution"
indicates a danger which can lead to minor (reversible) injuries.
Attention
Damage to property
– This symbol in connection with the signal word "Attention" indicates a
situation which could cause damage to the product itself or to objects in its
surroundings.
NOTE
This symbol in connection with the word "Note" indicates useful tips and
recommendations for the efficient handling of the product.
The following safety symbols are used in the operating manual:
This symbol alerts to electric voltage.

Safety
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2.2 Intended use
The device is used in closed rooms for the regulation of the temperature for heating
systems/electric underfloor heating.
The device is intended for the following:
■Operation according to the listed technical data
■Installation in dry interior rooms
■Only suitable for installation in flush-mounted boxes according to DIN 49073-1, Part 1, or in
suitable surface-mounted housings.
■Use with the connecting options available on the device
The intended use also includes adherence to all specifications in this manual.
2.3 Improper use
Each use not listed in Chapter 2.2 “Intended use“ on page 5 is deemed improper use and can
lead to personal injury and damage to property.
Busch-Jaeger is not liable for damages caused by use deemed contrary to the intended use of
the device. The associated risk is borne exclusively by the user/operator.
The device is not intended for the following:
■Unauthorized structural changes
■Repairs
■Outdoor use
■The use in bathroom areas

Safety
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2.4 Target group / Qualifications of personnel
2.4.1 Operation
No special qualifications are needed to operate the device.
2.4.2 Installation, commissioning and maintenance
Installation, commissioning and maintenance of the device must only be carried out by trained
and properly qualified electrical installers.
The electrical installer must have read and understood the manual and follow the instructions
provided.
The electrical installer must adhere to the valid national regulations in his/her country governing
the installation, functional test, repair and maintenance of electrical products.
The electrical installer must be familiar with and correctly apply the "five safety rules" (DIN VDE
0105, EN 50110):
1. Disconnect
2. Secure against being re-connected
3. Ensure there is no voltage
4. Connect to earth and short-circuit
5. Cover or barricade adjacent live parts

Safety
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2.5 Safety instructions
Danger - Electric voltage!
Electric voltage! Risk of death and fire due to electric voltage of 100 … 240 V.
Dangerous currents flow through the body when coming into direct or indirect
contact with live components. This can result in electric shock, burns or even
death.
■Work on the 100 … 240 V supply system may only be performed by
authorised and qualified electricians.
■Disconnect the mains power supply before installation / disassembly.
■Never use the device with damaged connecting cables.
■Do not open covers firmly bolted to the housing of the device.
■Use the device only in a technically faultless state.
■Do not make changes to or perform repairs on the device, on its components
or its accessories.
■Keep the device away from water and wet surroundings.
Caution! - Risk of damaging the device due to external factors!
Moisture and contamination can damage the device.
■Protect the device against humidity, dirt and damage during transport,
storage and operation.

Information on protection of the environment
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3 Information on protection of the environment
3.1 Environment
Consider the protection of the environment!
Used electric and electronic devices must not be disposed of with domestic
waste.
– The device contains valuable raw materials which can be recycled.
Therefore, dispose of the device at the appropriate collecting depot.
All packaging materials and devices bear the markings and test seals for proper disposal.
Always dispose of the packaging material and electric devices and their components via the
authorized collecting depots and disposal companies.
The products meet the legal requirements, in particular the laws governing electronic and
electrical devices and the REACH ordinance.
(EU Directive 2012/19/EU WEEE and 2011/65/EU RoHS)
(EU REACH ordinance and law for the implementation of the ordinance (EC) No.1907/2006).

Setup and function
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4 Setup and function
4.1 Functions
The temperature controller is used to control the temperature in closed rooms.
4.2 Features of function and equipment
Article no. Features / Function
1094...
■Opens when the set temperature is reached.
■With separate connection for time-controlled reduction of night-time temperature (4
K).
■Servo valves of "closed when de-energized" design are required for the controller.
1095...
■Opens when the set temperature is reached.
■With normally open contact (not applicable for 1095...).
■With separate connection for time-controlled reduction of night-time temperature (4
K).
■With installed sliding switch and control lamp for night-time temperature reduction (4
K).
■Servo valves of "closed when de-energized" design are required for the controller.
...UF
■With normally closed contact
■With remote sensor (external temperature sensor for mounting in the floor) and
thermal feedback.
■For electric floor heating.
■Opening of the relay contact, when the set temperature is reached.
1096...
■Opens when the set temperature is reached.
■With separate connection for time-controlled reduction of night-time temperature (4
K).
■With installed sliding switch and control lamp for night-time temperature reduction (4
K).
■Servo valves of "closed when de-energized" design are required for the controller.
1097... ■With switchover contact (heating / cooling).
■Servo valves of "closed when de-energized" design are required for the controller.
...UTA
■With display of actual temperature
– Temperature display in 0.5°C steps.
– Display accuracy: ±0.5°C for load currents of ≤2 A.
– Display accuracy: ±1.5°C for load currents of >2 A.
■Automatic controller calibration.

Setup and function
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4.3 Possible combinations
1094 U
1097 U
1094 UTA
1097 UTA
1794-...
X
1794-...
X
1095 U / 1095 UF
1096 U
1095 UTA
1096 UTA
1795-...
X
1795-...
X