Table of Contents 1. About this instruction manual 2. Important information for your safety 2.1. Intended use 2.2. Safety information for the installer 2.3. Safety information for the user 3. Product description 3.1. Scope of delivery 3.2. Accessories 3.3. Product functions 3.4.
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5.11. Remote start 5.12. Status output 5.13. Finishing installation 6. Performing tests 7. Connection diagram 8. Starting-up 8.1. Setting the fan operating mode 8.2. Activating single-sensor mode 8.3. Activating/deactivating phase alignment 8.4. Activating/deactivating the remote start function 8.5. Setting the light operating mode 8.6.
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10.6. Switching on the additional output 10.7. Switching off the additional device 10.8. Switching on the light 10.9. Switching off the light 10.10. Switching on the fan 10.11. Switching off the fan 10.12. Deactivating the operating unit 10.13. Switching off the power unit 11.
These instructions for installation and use can also be found in the down- loads section of our website: www.sentiotec.com. Symbols used for warning notices In these instructions for installation and use, a warning notice located next to an activity indicates that this activity poses a risk.
Instructions for installation and use p. 6/42 2. Important information for your safety The sauna control unit just sauna in has been produced in ac- cordance with the applicable safety regulations for technical units. However, hazards may occur during use. Therefore adhere to the following safety information and the speciic warning notices in the individual chapters.
Instructions for installation and use p. 7/42 2.2. Safety information for the installer ● Installation may only be performed by a qualii ed electrician or similarly qualii ed person. ● Work on the sauna control unit may only be performed when the power has been disconnected.
Instructions for installation and use p. 8/42 2.3. Safety information for the user ● The device must not be used by children under 8 years of age. ● The device may only be used by children above 8 years of age, by persons with limited psychological, sensory or mental capa- bilities or by persons with lack of experience/knowledge under the following conditions:...
Instructions for installation and use p. 9/42 3. Product description 3.1. Scope of delivery ● Operating unit ● Power unit ● Heater sensor with integrated excess temperature fuse (F1) ● Bench sensor (F2) ● Sensor wires ● Installation material 3.2. Accessories ●...
Instructions for installation and use p. 10/42 ● Remote start function The remote start function is deactivated ex-works. When the remote start func- tion is activated when starting up the unit for the irst time, the sauna control unit may only be used for operating and controlling a sauna heater which has been certiied as satisfying the combustion test described in paragraph 19.101 of EN 60335-2-53.
Installation instructions, only for experts p. 11/42 4. Installation ATTENTION! Damage to the unit The sauna control unit is protected against jets of water, however direct contact with water could still damage the unit. ● Install the sauna control unit in a dry place at which a maximum humidity of 95% is not exceeded.
Installation instructions, only for experts p. 12/42 4.1. Installing the power unit 1. Screw two Phillips-head screws (16 mm) into the wall of the sauna at a height of approx. 1.70 m to a distance of up to 7 mm. The two screws must be placed at an interval of 145 mm to each other (see Fig.
Installation instructions, only for experts p. 13/42 4.2. Installing the operating unit The installation frame can be afi xed using the i xing plates D on walls up to 18 mm thick. If the wall is thicker, the installation frame must be afi xed using screws which are screwed into the fastening holes B.
Installation instructions, only for experts p. 14/42 To install the operating unit, perform the following steps: 1. Prepare an installation cut-out (213 x 82 mm) in the wall of the sauna. 2. Place the installation frame A into the installation cut-out. 3.
Installation instructions, only for experts p. 15/42 1. Place the two half-shells together, screw them together using the two Phillips- head screws (9 mm) and check whether the heater sensor has been securely closed. 2. Install the heater sensor on the rear of the heater using the two wood screws enclosed (16 mm).
Installation instructions, only for experts p. 16/42 2. Pull the two half-shells of the bench sensor apart. 3. Connect the two connectors for the bench sensor wire to the two middle terminals on the connection panel. 4. Place the connection panel crossways in the bench sensor half-shells. 5.
Installation instructions, only for experts p. 17/42 5. Electrical connection ATTENTION! Damage to the unit ● The sauna control unit may only be used for operating and controlling 3 heat- ing circuits with a maximum heating capacity of 3.5 kW per heating circuit. The maximum additional output capacity totals 3.5 kW.
Installation instructions, only for experts p. 18/42 Observe the following points when connecting the power to the sauna control unit: ● Installation may only be performed by a qualiied electrician or similarly quali- ied person. Please observe that in the event of a guarantee claim, a copy of the bill from the electrician performing the work must be presented.
Installation instructions, only for experts p. 19/42 5.4. Connecting the fan (optional) 1. Guide the fan cable through the cable bushing into the connection area for 230 V/400 V 2. Connect the fan cable to the terminal strip in accordance with the con- nection diagram.
Installation instructions, only for experts p. 20/42 5.8. Connecting bench sensor F2 1. Guide the wires for the bench sensor through the cable bushing into the low-voltage connection area 2. Connect the wires for the bench sensor to the terminals labelled “F2” in terminal strip 5.9.
Installation instructions, only for experts p. 21/42 5.11. Remote start This is connected using terminals “S”, “B” and “C”. “S” stands for sauna mode. “B” is a +24 V DC output. This must be activated using a switch or an actuator on terminal “S”.
Installation instructions, only for experts p. 22/42 6. Performing tests The following tests must be performed by a certiied electrical itter. WARNING! The following tests must be performed with the power supply switched on. There is a danger of electric shock. ●...
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Installation instructions, only for experts p. 23/42 1. Check the phase circuit for L3 is connected to W1 when the device con- nected to the additional output is activated. 2. Check the maximum permissible heating output of 3.5 kW per phase on the sauna control unit.
Fig. 5 Connection diagram 1 Status output 7 Fan 2 Remote start 8 Light 139 °C 3 Additional output (max. 3.5 kW) Earth rail 4 Heating system (max. 10.5 kW) a Heater sensor with excess temperature fuse (F1) 5 Power supply for the sauna b Bench sensor (F2) control unit 6 Power booster...
Installation instructions, only for experts p. 25/42 8. Starting-up The function selection switch in the low-voltage connection area allows a variety of product functions to be activated. The figure at the right shows the standard setting for the function selection switch. Fig.
Installation instructions, only for experts p. 26/42 ● The function selection switch 2 is set to the ON position as standard. Two- sensor mode is therefore activated. ● If you wish to deactivate single-sensor mode, place the function selection switch 2 in the OFF position. 8.3.
Installation instructions, only for experts p. 27/42 8.5. Setting the light operating mode The light for the sauna room can either be dimmed or switched on and off. The dimmer function is activated or deactivated using the function selection switch 5. ●...
Installation instructions, only for experts p. 28/42 8.8. Setting the operating mode for the additional output The additional output can either be regulated or switched on and off. The dimmer switch function is activated or deactivated using the function selection switch 8. ●...
Instructions for use for the user p. 29/42 9. Operating elements 9.1. On the power unit A ON/OFF switch B Light switch 9.2. On the operating unit Power LED Fan LED ON/OFF button Additional devices symbol Power level display Additional devices LED Light symbol Temperature symbol Light LED...
Instructions for use for the user p. 30/42 9.3. The touch wheel The touch wheel can be used to set preset values for the sauna room tem- perature and for humidity. ● If you wish to increase the preset value, swipe your inger clockwise over the touch wheel.
Instructions for use for the user p. 31/42 9.5. Power level display If the dimmer switch function is activated for the device (see 8. Starting-up), you can adjust the power of the light and the fan from power level 1 to power level 8.
Instructions for use for the user p. 32/42 10. Operation 10.1. Switching on the light on the power unit (cleaning lights) The light in the sauna room can be switched on and off at the power unit inde- pendently of the ON/OFF switch A. ●...
Instructions for use for the user p. 33/42 10.4. Starting the sauna 1. Press the temperature symbol in the middle of the touch wheel ► The sauna heater switches on. 2. Use the touch wheel to set the preferred temperature. ►...
Instructions for use for the user p. 34/42 When the dimmer switch function is activated When the dimmer switch function for the additional output is activated, the power for the additional device can be set to any level between level 1 to level 7. 1.
Instructions for use for the user p. 35/42 10.8. Switching on the light When the dimmer function is activated When the dimmer function for the light is activated, the power for the light can be set to any level between level 1 to level 8. 1.
Instructions for use for the user p. 36/42 10.10. Switching on the fan When the dimmer switch function is activated When the dimmer switch function for the fan is activated, the power for the fan can be set to any level between level 1 to level 8. 1.
Instructions for use for the user p. 37/42 10.12. Deactivating the operating unit ● Press the ON/OFF button for one second. ► LEDs and the LED wheel goes out. ► The operation LED lights up in red. ► The operating unit is in standby mode. 10.13.
Instructions for use for the user p. 38/42 11. Cleaning and maintenance 11.1. Cleaning ATTENTION! Damage to the unit The sauna control unit is protected against jets of water, however direct contact with water could still damage the unit. ● Never immerse the device in water. ●...
Instructions for use for the user p. 39/42 12. Disposal ● Please dispose of packaging materials in accordance with the applicable disposal regulations. ● Used devices contain reusable materials and hazardous substances. Therefore, do not dispose of your used device with household waste, but do so in accordance with the locally applicable regulations.
Installation instructions, only for experts p. 40/42 13. Troubleshooting Error messages The sauna control unit is equipped with diagnostic software which monitors system statuses at start-up and during operation. As soon as the diagnostic software identiies an error, the sauna control unit switches the sauna heater off. Errors are indicated by a recurring warning tone emitted by the power unit and by the lashing lights on the LED wheel on the operating unit.
Instructions for installation and use p. 41/42 14. Technical data Ambient conditions Storage temperature: -25 °C to +70 °C Ambient temperature: -10 °C to +40 °C Relative humidity: max. 95% Dimensions Installation cut-out: 213 x 82 mm Power unit 307 x 175 x 52 mm Operating unit (with installation frame) 222 x 94 x 38 mm Operating unit (without installation frame)
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Instructions for installation and use p. 42/42 Light Contact rating: 100 W Fuse: 1A T Contact rating: 100 W Fuse: 1A T Setting ranges Temperature: 55 °C to 110 °C Thermal safety Heater sensor with excess temperature fuse (139 °C shut-off temperature) Automatic heating time limitation 6 h* Optional single-sensor mode or two-sensor mode Connection cables...
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GmbH world of wellness Oberregauer Straße 48 4844 Regau, Austria T +43 (0) 7672/277 20-800 F +43 (0) 7672/277 20-801 E info@sentiotec.com www.sentiotec.com...
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