Klafs 18028 User manual

Operating Instructions
Klafs Sauna with Control System Type 18028

Contents Page
1. Brief description of the Sauna controller ..................... 3
2. Bathing types ................................................. 3
2.1. Sauna ............................................................... 3
3. Technical data ................................................ 3
4. Intended Use ................................................. 4
5. General safety information ................................... 4
6. Operation and Display Elements ............................. 5
7. Operation .................................................... 6
7.1. Switching the cabin light On/Off ......................................... 6
7.2. Switching stand-by mode On/Off ........................................ 6
7.3. Starting bathing type Sauna ............................................. 6
7.4. Stopping Sauna mode .................................................. 6
8. Individual settings ............................................ 7
8.1. Temperature .......................................................... 7
8.2. Setting the exhaust air flap for cabin ventilation (option) ....................... 7
9. If something does not work .................................. 8
10. Maintenance and Cleaning ................................... 8
10.1. Cleaning the sauna cabin ............................................... 8
11. Notes ......................................................... 9
12. Addresses .................................................... 12

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1. Brief description of the Sauna controller
The Klafs sauna controller enables easy and convenient control of your sauna. The temperature can
be varied within the adjustment range using the temperature control knob before or during the
bathing programme.
I/O
Main switch Operation elements
2. Bathing types
2.1. Sauna
SAUNA
With temperatures of 85 - 100 °C and a low relative humidity.
WARM AIR BATH
With extra mild climate, temperatures of 45 - 60 °C and a relative humidity of up to
approx. 20 %.
Taking a sauna in your Klafs sauna cabin should benefit your health and well-being.
Therefore: Don't overdo it ! This applies to the temperature and the bath duration.
Orientate yourself not only on the given bathing times, but also on your condition.
Leave the cabin as soon as you no longer feel well.
3. Technical data
Control System Type 18028: 3/N/PE ~400 V, max. 9 kW.
Operating conditions: Temperature 0 °C to 35 °C, max. 80 % relative humidity.
Standard specifications:
dA microprocessor control system with an integrated power element
dA temperature sensor.

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4. Intended Use
The sauna controller is intended exclusively for normal use for controlling approved (registered with
VDE or TÜV by Klafs) sauna stoves (intended use).
Any other use is considered not in accordance with the terms of usage! The manufacturer is not
responsible for damage resulting from other forms of usage; the user alone carries this risk. Proper
and intended use and operation include compliance with the requirements for assembly, operation,
maintenance and repair stipulated by the manufacturer.
The control system may only be operated and maintained by persons, who are familiar with its
usage and informed of the dangers involved. Follow the relevant German VDE regulations as well as
other generally recognized safety rules. Damage resulting from arbitrary changes to the control
system are excluded from the manufacturer's liability.
5. General safety information
Read and observe the operating and safety instructions before start-up!
dBefore opening the control system housing remove the power from the control system!
dThe control system may be connected to mains by a locally authorised electrician only!
dSauna installations may be connected to mains with a fixed connection only according to VDE
regulations. In the connecting feed line use a residual-current breaker InNv0.03 A with at
least 3 mm contact opening.
dInform Klafs Customer Service of problems that a certified electrician cannot repair!
dOnly use original Klafs spare parts!
dArbitrary changes to the control system are not allowed!
dInstall the control system, in accordance with the assembly instructions!
dWiring within the cabin and the cabin walls must have silicone insulation.
dBefore activating the control system always make sure that no inflammable objects are on or
near the sauna heater. FIRE RISK!
dDo not use the sauna to dry your laundry!
dNever pour concentrated aromatic oils or extracts directly onto the sauna heater. Only use the
indicated concentration (approx. 20 - 30 drops to 1 liter of water)!
dAs infusion agent it is only permissible to use Klafs' aromatic extract!
dNever store the bottle containing aromatic oils or infusion agent in the sauna cabin!
dRegularly check the sauna heater for damage.
dThis equipment is not intended for use by persons (including children) with reduced, physical,
sensory or mental abilities or by persons with a lack of experience or knowledge, unless they
have received instructions in the use of the equipment or are supervised by a person responsible
for their safety. Children must be supervised to ensure that they will not play with the unit.

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6. Operation and Display Elements
I/O
Main switch Operation elements
D
AI/O
B
C
Unit/
button:
Description: Function:
I/O Main switch Switch On/Off stand-by of control system.
.A permanently lit SAUNA LED (C) indicates standby
mode.
ACubicle light button Cabin light On/Off switch.
BButton Start Mode selection: Sauna or End of Program.
CLED SAUNA Display of operating mode.
dPermanently lit indicates standby mode.
dFlashing light indicates sauna mode has been started.
DRotary knob temperature Set the temperature.

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7. Operation
I/O A D C B Unit/button: Description:
ACubicle light button
BButton Start
CLED SAUNA
DRotary knob temperature
7.1. Switching the cabin light On/Off
Press button A.
7.2. Switching stand-by mode
On/Off
1. Press button I/O.
With the main switch activated the control system
is on stand-by and the control panel can be
operated with the keypad. I/O
Main switch
Prerequisite for the following operations:
The control system is switched to stand-by. Permanently lit SAUNA LED indicates
standby mode.
7.3. Starting bathing type Sauna
Fire risk!
Before starting up the controller, always check that there are no combustible objects on
or near the sauna stove.
1. Press button B.
LED SAUNA Cflashing. The sauna heater switches On. The sauna is heated and is ready for
bathing after the warm-up period.
After 4 hours, the sauna heater switches Off automatically.
7.4. Stopping Sauna mode
1. Press button B.
The LED SAUNA C changes to permanent light. The sauna heater is shut Off.
The control system is in stand-by mode.
2. To switch Off the control system switch Off main switch at the control system.
The LED SAUNA Cgoes out.

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8. Individual settings
I/O A D C B Unit/button: Description:
ACubicle light button
BButton Start
CLED SAUNA
DTemperature control knob
8.1. Temperature
Alter the temperature in the sauna using the temperature control knob D.
Normal temperature 85 °C - 95 °C.
The centre position of the temperature control corresponds to approx. 80 °C.
The temperature sensor is mounted in the warm air stream above the sauna heater.
There is an unavoidable difference between the temperature detected by sensor and
the temperature indicated. Therefore, the temperature control knob has no marked
scale.
Setting the temperature
1. Turn temperature control knob Dclockwise as far as the stop.
2. Observe the temperature indicated in the cubicle.
3. Has desired temperature been reached? Slowly turn the temperature control knob D
anticlockwise.
A soft click in the control system can be heard. Leave the temperature control knob Din that
position.
After approx. 30 minutes: Climate in cabin is obtained.
Readjusting temperature
1. Readjust the temperature control knob Dto the desired temperature.
2. Mark the temperature that you find the most comfortable.
8.2. Setting the exhaust air flap for cabin ventilation (option)
Correct ventilation is the prerequisite for a good climate.
Klafs exhaust wall with adjustable exhaust air flap (option) allows you to regulate the air flow and
volume.
Ventilation: Heating mode
Exhaust air flap, level 1.
With this position, there is only a low air flow.
Ventilation: Sauna mode
Exhaust air flap, level 4.
Bathing operation with maximum number of sauna
users. With this position, there is a maximum air
flow.
1
4
Level
It is better to obtain a larger air flow volume for the
sauna climate. Intermediate stages can be selected
in accordance with the number of sauna users.

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9. If something does not work
All repair and maintenance work must be done exclusively by Klafs or by a dealer we
expressly authorize!
Error Cause Remedy
The control
system cannot be
switched On.
No operating voltage
available. Check the FI-switch and the fuse in the mains supply.
Fuse SI102 or SI104
triggered. Replace fuse SI102 (1.6 AT) or SI104 (1.0 AT) or contact Klafs Service.
The controller
cannot be started
up in standby
mode.
The safety temperature limiter
(STL) tripped. Do not operate the control system. Inform Klafs Service.
The cabin light
does not turn On.
Light bulb defective. Change the light bulb.
Procedure: separate the control system from
mains.
Replace with a light bulb of the same
wattage.
No operating voltage
available. Check the FI-switch and the fuse in the mains supply.
Fuse SI103 light triggered. Replace fuse SI103 light (0.6 AT) or contact
Klafs Service.
10. Maintenance and Cleaning
10.1. Cleaning the sauna cabin
The humidity level in SAUNA mode does not harm the wood of your cubicle. Without fail, the cabin
must be aired out properly.
Never hose down inner cabin walls, bench or seats with water or a high pressure
cleaner!
Dirty benches
Wipe the wooden surfaces with a damp cloth.
If necessary, sand the surface of the benches with fine sandpaper.
The benches can also be washed off with a 3 %- hydrogen peroxide solution (available in
specialized stores).
Disinfectants are highly corrosive!
Therefore, pay attention to the relevant safety regulations!
Use household rubber gloves!
The outer cabin walls are impregnated or glazed.
In no case glaze, paint or impregnate the inner panelling or the cabin inner walls and
units (benches etc.).

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11. Notes

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11. Notes

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11. Notes

You can also find
many accessories in
our online shop at
www.klafs.de
You can also find
many accessories in
our online shop at
www.klafs.de
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12. Addresses
Wherever you are: Klafs is near you!
We provide expert service.
Klafs GmbH & Co. KG
Parent company Germany:
Erich‐Klafs‐Straße 1-3
D-74523 Schwäbisch Hall
Customer Service Tel. [phone]
Accessories / Spare parts Tel. [phone]
Switzerland:
Klafs AG
Oberneuhofstr. 11
CH-6342 Baar/Zug
Tel. [phone]
Austria:
Klafs GmbH
Sonnwiesenweg 19
A-6361 Hopfgarten/Tirol
Tel. [phone]
We hope your ”Klafs Sauna with Control System Type 18028“
brings you lots of fun, relaxation, well-being and rejuvenation.
Subject to technical modifications.
Reproduction in whole or in part is prohibited without the written permission of
Klafs GmbH & Co. KG
Article number 50701162 / Release 12.12