KUSATEK K-Tec User manual

Druck-Nr.: 2902 5045
Stand: 24/2021
DE
Made in Germany
K-Tec
Control for gas-operated sauna heaters
Installation Instructions for retailers

DE-2 Installation Instructions - K-Tec-Leistungsteil
Documentation
DE
Documentation
Manufacturer
Original installation instructions EN
Copyright for these installation instructions remains with
EOS Saunatechnik GmbH.
Copyright as per DIN ISO 16016:
The copying and distribution of this document, as well as the use and com-
munication of its contents without express authorisation, are not permit-
ted. Compensation will be claimed in the event of infringements.
All rights reserved with regard to patent claims or submission of design or
utility patent.
Characters, symbols and illustrations
Revision history
EOS Saunatechnik GmbH
Schneiderstriesch 1
35759 Driedorf, Germany
Tel. [phone]
Fax [phone]
Email [email protected]
Web www.eos-sauna.com
Additional information about an operating step
Cross-reference to a page
Read instructions
Result of a step
Table title
Title of figure
Date Version Description
15.06.2021 01.10 Scope of delivery changed.
1Apr.2021 01.00 First version

K-Tec-Leistungsteil - Installation Instructions DE-3
Contents
Documentation..................................................................................................DE-2
1 Safety......................................................................................................................DE-5
1.1 Safety levels................................................................................................DE-5
1.2 Mounting and electrical installation .................................................DE-5
1.3 Operator instruction ...............................................................................DE-7
1.4 Standards and regulations ...................................................................DE-8
2 Identification ......................................................................................................DE-9
2.1 Information about the unit...................................................................DE-9
2.1.1 K-Tec-Leistungsteil .................................................................DE-9
2.1.2 Control panel ..........................................................................DE-10
2.1.3 Plug-in modules (optional) ................................................DE-10
2.2 Intended use............................................................................................DE-10
3Description.........................................................................................................DE-11
3.1 Scope of delivery....................................................................................DE-11
3.2 Functions and applications ................................................................DE-12
3.3 Overview of relay box...........................................................................DE-14
3.4 Internal view of relay box....................................................................DE-16
3.5 Control panel ..........................................................................................DE-17
3.6 Technical data .........................................................................................DE-18
4 Installation.........................................................................................................DE-19
4.1 Power supply and data lines .............................................................DE-19
4.2 Installation work inside the cabin....................................................DE-21
4.2.1 Installing the cabin fan ........................................................DE-21
4.2.2 Installing the temperature sensor and safety
temperature limiter...............................................................DE-21
4.2.3 Installing cabin lighting.......................................................DE-23
4.3 Relay box ..................................................................................................DE-24
4.3.1 Guidelines.................................................................................DE-24
4.3.2 Installing the relay box ........................................................DE-27
4.4 Control panel...........................................................................................DE-30
4.4.1 Guidelines.................................................................................DE-31
4.4.2 Mounting the housing.........................................................DE-32
4.4.3 Mounting the control panel...............................................DE-37

DE-4 Installation Instructions - K-Tec-Leistungsteil
DE
5Connections...................................................................................................... DE-39
5.1 Installation examples........................................................................... DE-40
5.2 Circuit board assignment................................................................... DE-42
5.3 Dip switch ................................................................................................ DE-43
5.3.1 ADDRESS dip switch ........................................................... DE-43
5.3.2 CONFIG dip switch................................................................ DE-43
5.4 Connection diagram ............................................................................ DE-45
5.5 IO-EXT-HV module................................................................................ DE-46
5.5.1 Input and output assignments ........................................ DE-47
5.5.2 Connecting a module.......................................................... DE-48
5.6 Connecting the mains supply and consumer............................. DE-49
5.6.1 Connecting lighting and mains supply......................... DE-50
5.6.2 Connecting the burners...................................................... DE-50
5.6.3 Connecting the air supply fan .......................................... DE-51
5.6.4 Connecting the exhaust gas fan and cabin fan.......... DE-52
5.6.5 Connecting the vaporiser .................................................. DE-52
5.7 Connecting data lines.......................................................................... DE-53
5.8 Connecting the emergency button................................................ DE-55
5.9 Defining the heating time limitation ............................................. DE-57
5.10 Closing the relay box ........................................................................... DE-57
6Commissioning.............................................................................................. DE-58
6.1 Operation basics ................................................................................... DE-59
6.2 Setup during commissioning or after a reset ............................. DE-60
6.3 Setting up the vaporiser ..................................................................... DE-61
6.4 Adjusting the switching hysteresis................................................. DE-61
6.5 HOME function....................................................................................... DE-63
6.6 Troubleshooting ................................................................................... DE-68
7 General terms and conditions of service ........................................... DE-69
8Disposal.............................................................................................................. DE-71

K-Tec-Leistungsteil - Installation Instructions DE-5
Safety
Safety
1.1 Safety levels
Safety instructions and important operating instructions are classified.
Please familiarise yourself with the following terms and symbols:
WARNING
Warning
Indicates a hazardous situation which, if not avoided, could result
in death or serious injury.
CAUTION
Caution
Indicates a hazardous situation which, if not avoided, could result
in minor or moderate injury.
NOTICE
Notice
Indicates a hazardous situation which, if not avoided, will result in
damage to the unit.
1.2 Mounting and electrical installation
These installation instructions are intended for qualified person-
nel familiar with the laws and regulations applicable to electrical
installations, gas installations, and infrared radiators at the instal-
lation site.
Observe also the installation and operating instructions for the
gas-fuelled sauna heater.
Mounting and installation must be performed only by:
KUSATEK customer service
Technicians who have been trained by KUSATEK
Other trained technicians if technicians trained by KUSATEK do not ser-
vice the area in which the installation site of the gas-fuelled sauna
heater is located.

DE-6 Installation Instructions - K-Tec-Leistungsteil
Safety
DE
Observe the following general safety instructions during mount-
ing, configuration and commissioning of the product.
Risk to life and limb
and risk of fire
Risk to life and limb from electric shock and fire in the event of im-
proper or faulty electrical connection. This risk also applies follow-
ing completion of the installation work.
The electrical installation of the sauna control unit and other
electrical systems or equipment with a fixed mains connection
may be performed only by a trained electrician from an author-
ised electrical company.
Ensure compliance with the standards and regulations for elec-
trical installation and gas installation in your country.
The system must be disconnected and removed entirely from
the mains supply before commencing installation and repair
work.
The housing cover must only be removed by a specialist.
Fire hazard from
overheating
Insufficient ventilation can lead to device overheating and fire.
Do not install the control panel and the relay box in enclosed
cabinets or wood panelling.
Observe the sauna heater manufacturer's safety and installa-
tion instructions.
Observe the gas-fuelled heater manufacturer's safety and in-
stallation instructions.
Touchable glass surfaces on the outside of the cabins could
reach a maximum of 76°C. Attach safety systems if needed.
Damage due to
incorrect mounting
location
The control unit is not suitable for outdoor use.
It must be operated only inside buildings and may not be ex-
posed to environmental conditions such as extreme humidity
and moisture or the possible formation of condensation or cor-
rosive substances in the ambient air, as well as other weather
conditions.
Similarly, excessive cold and extreme exposure to sunlight must
be prevented.
Protect the unit accordingly if there is an increased risk of me-
chanical damage.

K-Tec-Leistungsteil - Installation Instructions DE-7
Safety
1.3 Operator instruction
The operator of the sauna cabin must be instructed in the general
safety instructions during commissioning. The operator must be
given a copy of the operating instructions.
Risk of electric shock A risk to life and limb from electric shock and fire arises in the event
of improper repair work. This risk also applies after work is com-
pleted.
The housing cover must only be removed by a specialist.
Repairs and installations must only be performed by a trained
specialist.
The system must be disconnected and removed entirely from
the mains supply before commencing repair work.
Use only original spare parts from the manufacturer.
Fire hazard Objects placed on the gas-fuelled sauna heaters can easily be ig-
nited and cause fires.
Do not place objects on the gas-fuelled sauna heater.
Fill the rock store as directed.
If you switch on the gas-fuelled sauna heater using pre-set tim-
ers or a remote control, attach a protective cover to the heater
or install a suitable safety system.
Inspect the sauna cabin prior to each recommissioning and en-
sure that no towels, cleaning agents or other objects are lying
on the gas-fuelled sauna heater.
Risk of burns and
chemical burns
Touching hot parts may lead to skin burns and chemical burns of
the skin.
The operator must be familiar with the unit's hot parts and be
able to identify them.
The operator must be familiar with the settings for the heating
period and understand how it is controlled.
Health risks Spending time in a sauna cabin can lead to serious health risks or
even death for persons with health impairments.
Persons with health impairments who spend time in a sauna
must consult a doctor before entering a sauna.

DE-8 Installation Instructions - K-Tec-Leistungsteil
Safety
DE
Equipment damage
due to overuse
Excessive humidity in commercial sauna cabins can lead to prop-
erty damage.
If the sauna cabin is used commercially, the heating time must
be set so that it switches off automatically after a specific period
of time.
If the heating does not switch off automatically after a defined
heating period, cabin use must be supervised at all times.
Inspect the cabin before each use.
Operating the unit The gas-fuelled sauna heater may be operated by persons who
have been instructed in the safe use of the unit and understand
the risks it poses. Children must not play with the gas-fuelled sau-
na heater.
Children must be supervised to ensure they do not play with
the gas-fuelled sauna heater.
Ensure that children and unauthorised persons do not have ac-
cess to the plant room.
Service and
maintenance
There is a risk to health and risk of fire if service and maintenance
work is not performed in a professional manner.
Service and maintenance work must be performed only by:
KUSATEK customer service
Technicians who have been trained by KUSATEK
Other trained technicians if technicians trained by KUSATEK do
not service the area in which the installation site of the gas-
fuelled sauna heater is located.
1.4 Standards and regulations
For an overview of the standards that were observed during design and
construction of the sauna heaters, please refer to the individual product's
technical data sheet that can be downloaded from www.eos-sauna.com.

K-Tec-Leistungsteil - Installation Instructions DE-9
Identification
Identification
The relay box must be installed with a control panel. The relay box can be
supplemented with functions when plug-in modules are added.
2.1 Information about the unit
2.1.1 K-Tec-Leistungsteil
Nameplate
The nameplate is attached to the underside of the base of the housing.
Nameplate (example)
Requirements for operation and storage
The K-Tec output controller is only intended for installation outside the
sauna cabin. The mounting location must meet the following climate con-
dition requirements:
Ambient temperature during operation -10°C to 40°C
Storage temperature: -20°C to 60°C
A Name F Country of origin
B Model G Manufacturer
C Item number H Protection class
D Mains supply I Manufacturing date
E Max. electrical switching output J Serial number
Gasofensteuergerät
Type K-Tec
Art.-Nr. 94 7588 00
230 V 1N AC 50 Hz
Max. elektr. Schaltleistung 3,5 kW
Made in Germany
Kusatek GmbH, 35759 Driedorf
S-No. 12.19 00001
IPX4
A
B
C
D
E
F
G
I J
H

DE-10 Installation Instructions - K-Tec-Leistungsteil
Identification
DE
2.1.2 Control panel
The K-Tec output controller is installed with a control panel (software
version 3.62 or higher).
The control panel is included in the scope of delivery.
For more information about the control panel, see the operating instruc-
tions and chapter 6.1 Operation basics, DE-59.
2.1.3 Plug-in modules (optional)
A plug-in module can be added to the circuit board of the relay box. It
enhances the functions of the K-Tec control panel.
LV module
Four inputs and four outputs for various cabin statuses and connections
to a PLC.
2.2 Intended use
The K-Tec is designed to operate sauna cabins with gas-fuelled heaters. It
must be mounted on a wall.
The K-Tec is suitable for use with private or commercial cabins.
The control unit is not suitable for outdoor use.
It must be operated only inside buildings and may not be exposed to envi-
ronmental conditions such as extreme humidity and moisture or the possi-
ble formation of condensation or corrosive substances in the ambient air,
as well as other weather conditions. Similarly, excessive cold and extreme
exposure to sunlight must be prevented. Protect the unit accordingly if
there is an increased risk of mechanical damage.
Foreseeable misuse
The following are considered instances of foreseeable misuse:
The control and sensor cable plugs are plugged in incorrectly.
The unit is operated without knowledge of or compliance with the
safety instructions.
Operating, service and maintenance requirements are not observed.
The unit is operated after technical or other modifications are made to
the relay box.
The unit is operated by children or persons with reduced mental capac-
ity or by persons who have not been thoroughly instructed in its use.
Safety, DE-5