Sentiotec Pro B User manual
Version 01/23 Ident-Nr. ST-M-00006-01
Sauna control PRO B
new function „Door sensor“
Supplement / change to the operating instructions:
PRO-B2 /1-015-455 , PRO-B3 /1-015-457 Version 12/21
Product manual you can nd at: https://www.sentiotec.com/downloads or
The new function ensures optimal door monitoring for remote control!
Optionale accessories: Door sensor home SAB00103 / 1-052-723
The connection position of
STB and OSG were exchanged!
Note the change in the above product manual under the following points:
5. Electrical connection
Installing heater sensor (clamp red wires at STB)
Connecting safety device or NEW connecting door sensor
8. Starting up
Remote start release:
●As standard the function selection switch is in the OFF position.
The remote star is operated using „Standby for remote control“.
●If you want to enable the remote start output for various devices (e.g.
coinoperated unit, remote start system), set the function selection
switch 4 in the ON position
Activate door sensor at Pro B2
1. Open the technician menu (press at the same time: ON/OFF button,
preset time button and the lower bottom knob)
►In the top display „SdO“ appears
►In the bottom display „SAFE“ appears (= standard setting)
2. Turn the lower knob to the right
►In the lower display “door“ appears
3. Exiting the technician menu (Longpress on the lower knob)
EN
NEU
STB
Heating period
limit
Phase alignment
Remote start
release
Evaporator
single mode
Sensor operating
mode
Not assigned
Preset temperature /
Heater temperature
as actual emperature
OFF
OSG
STBOSG
Function selection switch –
Standard setting
DE
EN
Additional sheet for instructions for use p. 2/2
Activate door sensor at Pro B3
1. Open the technician menu (press at the same time: ON/OFF button, preset time button and the lower
bottom knob)
► In the top display „dry“ appears
► In the bottom display „t60“ appears
2. Turn the lower buttom (Selection 0 - 60; 0 = post-drying progamm off , 60 = maximum runtime in minutes)
3. Press the lower knob
►In the top display „SdO“ appears
►In the bottom display „SAFE“ appears (= standard setting)
4. Turn the lower knob to the right
►In the lower display “door“ appears
5. Exiting the technician menu (Longpress on the lower knob)
10. Operation
Activating „Standby for remote operation“ with door sensor
Press the ON/OFF switch, to switch on the sauna control unit.
Press the lower knob (= Temperature selector) for three seconds (=Longpress)
►A countdown of 30 seconds is shown in the lower display. During this time, the door can be opened/
closed as often as you like. After the countdown has expired, the door must be closed!
►The remote start indicator starts ashing.
►The sauna control is now ready to be started and stopped once via a remote start signal = Mode
„Standby for remote operation“
Door is opened - warning „door“ appears in the display
- at mode „Standby for remote operation“:
To continue the mode, the door must be closed and the warning must be acknowledged with a long press
on the lower rotary control. ► The countdown (30 sec.) is shown again in the lower display.
- in operation or enable remot start output (for coinoperated unit or door sensor system):
The acknowledgment takes place automatically when the door is closed.
Version 01/23 Ident-Nr. ST-M-00006-01
Saunasteuerung PRO B
neue Funktion „Türsensor“
Ergänzung / Änderung zu den Bedienungsanleitungen:
PRO-B2 /1-015-455 , PRO-B3 /1-015-457 Version 12/21
Bedienungsanleitung unter: https://www.sentiotec.com/downloads oder
Die neue Funktion gewährleistet die eine optimale Türüberwachung bei Fernwirken!
optionales Zubehör: Türsensor Home SAB00103 / 1-052-723
Die Anschlussposition von
STB und OSG wurden getauscht!
Beachten Sie die Änderungen in den oben angeführten Bedienungsanleitungen unter folgenden Punkten:
5. Elektrischer Anschluss
Ofenfühler anschließen (rote Leitungen an STB anklemmen)
Sicherheitsabschaltung anschließen bzw. NEU Türsensor anschließen
8. Inbetriebnahme
Fernstart-Freigabe:
●Standardmäßig bendet sich der Funktionswahlschalter 4 in OFF-
Position. Der Fernstart wird mittels „Standby für Fernwirken“ aktiviert.
●Wenn Sie den Fernstart-Ausgang für div. Geräte (wie z.B. Münzer,
Türsensor-System) freischalten möchten, bringen Sie den Funkti-
onswahlschalter 4 in ON-Position.
Türsensor aktivieren bei Pro B2
1. Rufen Sie das Techniker-Menü auf (Beim Einschalten gleichzeitig
die Tasten EIN/AUS, Vorwahlzeit und den unteren Drehknopf drücken)
►Im oberen Display erscheint „SdO“
►Im unteren Display erscheint „SAFE“ (=Standardeinstellung)
2. Drehen Sie den unteren Drehknopf nach rechts
►Im unteren Display erscheint “door“
3. Verlassen Sie das Technikermenü (Longpress auf unteren Drehregler)
NEU
STB
Heizzeitbe-
grenzung
Phasen-
rollierung
Fernstart-
Freigabe
Verdampfer-
Single-Betrieb
Fühlerbe-
triebsart
Nicht belegt
Solltemperatur /
Ofentemperatur als
Ist-Temperatur
OFF
OSG
STBOSG
Funktionswahlschalter-
Standardeinstellung
DE
DE
Zusatzblatt zur Bedienungsanleitung S. 2/2
Türsensor aktivieren bei Pro B3
1. Rufen Sie das Techniker-Menü auf (Drücken Sie gleichzeitig die Vorwahlzeit-Taste und den unteren
Drehknopf = Temperaturwähler)
► Im oberen Display erscheint „dry“
► Im unteren Display erscheint „t60
2. Drehen Sie den unteren Drehknopf (Auswahl 0 - 60; 0 = Nachtrockenprogramm ausgesschaltet
60 = maximale Laufzeit in Minuten)
3. Drücken Sie den unteren Drehknopf
►Im oberen Display erscheint „SdO“
►Im unteren Display erscheint „SAFE“
4. Drehen Sie den unteren Drehknopf nach rechts
►Im unteren Display erscheint “door“
5. Verlassen Sie das Technikermenü (Longpress auf unteren Drehregler)
10. Bedienung
Standby für Fernwirken (mit Türsensor) aktivieren
Drücken Sie den EIN/AUS-Schalter, um die Saunasteuerung einzuschalten.
Drücken Sie für 3 Sekunden (=Longpress) den unteren Drehknopf (=Temperaturwähler)
►Im unteren Display wird ein Countdown von 30 Sekunde angezeigt. Die Tür kann in dieser
Zeit beliebig oft geöffnet / geschlossen werden. Nach Ablauf des Countdown muss die Türe
geschlossen sein!
►Die Fernstart-Anzeige blinkt
►Die Saunasteuerung ist nun bereit um über ein Fernstartsignal einmalig gestartet und gestoppt
zu werden = Modus „Standby für Fernwirken“
Tür wird geöffnet - im Display erscheint Warnung „door“
- im Modus Standby für Fernwirken:
Um den Modus fortzusetzen muss die Tür geschlossen werden, und die Warnung muss mittels Longpress
auf den unteren Drehregler quittiert werden. ► Im Display wird wieder der Countdown (30Sek.) angezeigt.
- im laufenden Betrieb oder freigegebenen Fernstart-Ausgang (für Münzer oder Türsensor-System):
Die Quittierung erfolgt automatisch, wenn die Tür geschlossen wird.
Version 12/21 ID no. 1-026-967
INSTRUCTIONS FOR INSTALLATION AND USE
English
EN
DE
FR
IT
NL
SV
FI
Sauna control unit
PRO B3
PRO-B3 / 1-015-457
Table of Contents
1. About this instruction manual 5
2. Important information for your safety 6
2.1. Intended use 6
2.2. Safety information for the installer 7
2.3. Safety information for the user 8
3. Product description 9
3.1. Scope of delivery 9
3.2. Optional accessories 9
3.3. Product functions 9
3.4. Sauna operating modes 10
3.5. Sensor operating modes 10
4. Installation 12
4.1. Installing the sauna control unit 12
4.2. Installing the heater sensor F1 with excess temperature fuse 14
4.3. Installing bench sensor F2 (optional) 15
4.4. Installing the humidity temperature sensor FTS2 (optional) 15
5. Electrical connection 16
5.1. Connecting the power supply cable, heater and evaporator 17
5.2. Connecting the light 17
5.3. Connecting the fan (optional) 18
5.4. Connecting the power booster (optional) 18
5.5. Connecting heater sensor F1 18
5.6. Installing bench sensor F2 (optional) 18
5.7. Installing humidity temperature sensor FTS2 (optional) 19
19
5.9. Remote start 20
5.10. Finishing installation 20
EN
6. Performing tests 21
7. Connection diagram 23
8. Starting-up 24
8.1. Setting the heating period limit 24
8.2. Activating/deactivating phase alignment 25
8.3. Remote start release 25
8.4. Activating/deactivating the single-sensor mode 25
8.5. Activating evaporator single mode 25
8.6. Displaying the heater temperature in single-sensor mode 26
9. Operation 27
9.1. Operating elements 27
9.2. Switching on the light 27
9.3. Switching on the sauna control unit 28
9.4. Starting sauna mode 28
9.5. Starting combi mode 29
9.6. Changing the preset temperature 30
9.7. Changing the preset humidity 30
9.8. Activating standby for remote operation 31
9.9. Setting the preset time 32
9.10. Cancelling the preset time function 33
9.11. Cancelling the post-drying programme 33
9.12. Saunabetrieb ausschalten 33
33
10. Cleaning and maintenance 34
10.1. Cleaning 34
10.2. Maintenance 34
11. Disposal 34
12. Troubleshooting 35
12.1. Error messages 35
12.2. Low-water display 36
12.3. Fuses 36
13. Technical data 37
EN
Instructions for installation and use p. 5/38
1. About this instruction manual
Read these instructions for installation and use carefully and keep them within
reach of the sauna control unit. This ensures that you can refer to information
regarding your safety and regarding operation at any time.
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. Always observe the warning
notices. This prevents damage to property and injuries, which in the worst case
may be fatal.
The warning notices contain keywords, which have the following meanings:
DANGER!
Serious or fatal injury will occur if this warning notice is not observed.
WARNING!
Serious or fatal injury can occur if this warning notice is not observed.
CAUTION!
Minor injuries can occur if this warning notice is not observed.
ATTENTION!
This keyword is a warning that damage to property can occur.
Other symbols
This symbol indicates tips and useful information.
These installation and operating instructions can also be found in the
downloads section of our website: www.sentiotec.com/downloads.
Instructions for installation and use p. 6/38
2. Important information for your safety
The sauna control unit Pro B3 has been produced in accordance
with the applicable safety regulations for technical units. However,
hazards may occur during use. Therefore adhere to the following
chapters. Also observe the safety information for the devices con-
nected.
2.1. Intended use
The sauna control unit Pro B3 is used exclusively for operating and
controlling the sauna functions in accordance with the technical data.
The sauna control unit Pro B3 may only be used for operating and
the combustion test described in paragraph 19.101 of EN 60335-
2-53. If the heater does not meet this requirement, an appropriate
5.8 on page 19).
The sauna control unit Pro B3 may only be used for operating and
controlling 3 heating circuits with a maximum heating capacity of
3.5 kW per heating circuit. The maximum evaporator capacity totals
3.5 kW.
Any use exceeding this scope is considered improper use. Improper
use can result in damage to the product, in severe injuries or death.
EN
Instructions for installation and use p. 7/38
2.2. Safety information for the installer
Work on the sauna control unit may only be performed when the
power has been disconnected.
The sauna control unit must be installed outside the sauna room
at a height of approx. 1.70 m or in accordance with the rec-
ommendation issued by the sauna manufacturer. The ambient
temperature must be within a range spanning -10 °C to +40 °C.
The heater sensor must be attached in a way that it is not af-
The heater supply cable must have a minimum cross-section of
2.5 mm2and be temperature resistant up to 150 °C.
Also comply with the regulations applicable at the installation
location.
For your own safety, consult your supplier in the event of prob-
instructions.
Instructions for installation and use p. 8/38
2.3. Safety information for the user
The sauna control unit must not be used by children under
8 years old.
The sauna control unit may only be used by children above 8 years
old, by persons with limited psychological, sensory or mental
capabilities or by persons with lack of experience/knowledge:
– When they are supervised.
– When they have been shown how to use the device safely
and are aware of the hazards that could occur.
Children must not play with the sauna control unit.
Children under 14 years of age may only clean the sauna control
unit if they are supervised.
-
ence of alcohol, medication or drugs.
sauna heater before the sauna control unit is switched on.
heater before activating the preset time function or the stand-by
mode for the remote start.
For your own safety, consult your supplier in the event of prob-
instructions.
EN
Instructions for installation and use p. 9/38
3. Product description
3.1. Scope of delivery
Sauna control unit
Heater sensor with integrated excess temperature fuse
Installation material
Wire jumper for bridging terminals V1 and Wm for combi heaters without
3.2. Optional accessories
Bench sensor (item number: O-F2)
Humidity temperature sensor (item number: O-FTS2)
Power booster (item number: O-S2-18 / O-S2-30)
pronet web server (item number: PRO-NET)
3.3. Product functions
The sauna control unit Pro B3 features the following functions:
Regulation of combi heaters with a heating output of up to 10.5 kW and
evaporator output of up to 3.5 kW in the temperature range spanning 30 °C
to 110 °C and a humidity range spanning 5 % to 100 %.
A power booster allows the maximum contact rating to be increased from
10.5 kW to 18 kW or 30 kW.
Remote start function
Preset time function (up to 24 hours)
Automatic heating period limiter
The sauna control unit shuts down automatically after the maximum heating
period for safety reasons. The maximum heating period can be set to 6 h,
12 h, 18 h or 24 h.
Post-drying programme
-
cally to prevent mould or rot from forming in the sauna room. This involves
heating the sauna room to 80 °C with the fan running for 30 minutes.
Instructions for installation and use p. 10/38
Excess temperature fuse
The excess temperature fuse is installed in the housing for the heater sen-
sor. Should the sauna heater continue heating after reaching the preferred
temperature due to a defect, the excess temperature fuse switches the sauna
3.4. Sauna operating modes
The sauna control unit Pro B3 provides two operating modes, sauna mode and
combi mode.
Sauna mode
Dry heat is provided in sauna mode. The temperature in the room is high (80 to
100 °C) The humidity level of maximum 10 % is low.
Combi mode
The evaporator operates along with the sauna heater in combi mode. The
temperature in the sauna room is lower (approx. 40 to 65 °C) than in sauna
mode, with the relative humidity being considerably higher, spanning 35 % to
approximately 70 %. The maximum humidity level which can be set depends on
the temperature of the sauna. The higher the sauna temperature, the lower the
maximum humidity level which can be set.
3.5. Sensor operating modes
The sauna control unit can be operated with one or two sensors. A temperature
sensor (bench sensor, F2) or a humidity sensor (FTS2) can be used as the
second sensor.
Single-sensor mode (F1)
time (see 8.3. Activating/deactivating the single-sensor mode on page 25).
In single-sensor mode, the sauna control unit is operated with the heater sensor
with excess temperature fuse (F1) only. This is included in the scope of delivery.
EN
Instructions for installation and use p. 11/38
In single-sensor mode, the sauna control unit only displays the set temperature
as standard. The actual temperature is not displayed. Should the sauna control
unit display the temperature above the heater (F1) as an actual temperature in
8.5. Displaying the heater temperature in single-sensor mode on page 26)
The maximum humidity level which can be set is based on the temperature above
the heater, and the humidity is timed. Only the set value for the humidity level (in
% of relative humidity) is displayed by the sauna control unit. The actual humidity
level in the sauna room when humidity is timed depends on the size of the room
and the evaporator capacity, and may deviate from the set value.
Two-sensor mode with bench sensor (F2)
In two-sensor mode with bench sensor, a second temperature sensor (bench
sensor) is installed above the rear sauna bench. The sauna control unit displays
the temperature measured by the bench sensor as the actual temperature.
In two-sensor mode with bench sensor, the humidity is timed. Only the set
value for the humidity level (in % of relative humidity) is displayed by the sauna
control unit. The actual humidity level in the sauna room when humidity is timed
depends on the size of the room and the evaporator capacity, and may deviate
from the set value.
Two-sensor mode with humidity temperature sensor (FTS2)
When a humidity temperature sensor is used in two-sensor mode, the sauna
control unit displays the temperature which is measured by the humidity tem-
perature sensor as the actual temperature.
In two-sensor mode with humidity temperature sensor, the evaporator is
regulated in accordance with the humidity level measured in the sauna room.
The actual value for the humidity level (in % of relative humidity) is displayed by
the sauna control unit.
Installation instructions, only for experts p. 12/38
4. Installation
4.1. Installing the sauna control unit
Observe the following points when installing the sauna control unit:
The sauna control unit must be installed outside the sauna room or in accord-
ance with the recommendation issued by the sauna manufacturer.
The ambient temperature must be within a range spanning -10 °C to +40 °C.
The sensors may only be connected using the sensor wires provided with the
unit, which are heat-resistant up to 150 °C.
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.
The sensor wires may be extended under the following conditions:
When a silicon wire resistant to temperatures up to 150 °C is used.
The minimum cross-section of the wire is 0.5 mm2.
The length of the heater sensor wires may NOT exceed 10 m.
ATTENTION!
Sources of interference can have a negative eect on signal transmission
Lay all sensor wires separately from other mains wires and control wires.
Protect wires with only one layer of insulation by using a pipe (double insulation).
EN
Installation instructions, only for experts p. 13/38
82
80
34
175
145
34
43
40
Fig. 1 Position of the attachment device and the installation holes
(dimensions in mm)
C
To install the sauna control unit, perform the following steps:
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 a distance of 145 mm from each other (see Fig. 1).
2. Press the clip locks Cin lightly using a screwdriver and remove the cover
from the housing (see Fig. 2).
3. Fasten the sauna control unit onto the Phillips-head screws using the at-
tachment device Aas an aid (see Fig. 1).
4. Screw two Phillips-head screws (16 mm) into the lower fastening holes B
(see Fig. 1).
A
B
Fig. 2 Removing the cover from the housing
Installation instructions, only for experts p. 14/38
4.2. Installing the heater sensor F1 with excess temperature fuse
Observe the following points when installing the heater sensor:
The heater sensor must be installed on the rear of the heater, above the mid-
dle of the sauna heater. An interval of approx. 15 cm to the roof of the sauna
room must be maintained.
of air.
To install the heater sensor, perform the following steps (see Fig. 3):
1. Lay the two 2-pin heater sensor wires in the wall of the sauna room, leading
wires using wire clips.
2. Pull the two half-shells 1of the heater sensor apart.
3. Connect the four connectors for the heater sensor wire 5in accordance
with the Fig. 3.
4. Place the connection panel 2crossways (as shown in Fig. 3) in the heater
sensor half-shells.
5. Place the two half-shells together, screw them together using the two Phillips-
head screws 3(9 mm) and check whether the heater sensor has been
securely closed.
6. Install the heater sensor on the rear of the heater using the two wood screws
enclosed 6(16 mm).
1Heater sensor half-shells
2Connection panel
3Phillips-head screws (9 mm)
4Heater sensor
5Heater sensor wires
6Wood screws (16 mm)
Fig. 3 Installing the
heater sensor
red
white
white
red
EN
Installation instructions, only for experts p. 15/38
4.3. Installing bench sensor F2 (optional)
The bench sensor must be installed on the wall of the sauna room, above the
rear bench seat. An interval of approx. 15 cm to the roof of the sauna room must
be maintained.
To install the bench sensor, perform the following steps:
1. Lay the two 2-pin bench sensor wires in the wall of the sauna room, leading
wires using wire clips.
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. Place the two half-shells together and screw them together using the two
Phillips-head screws (9 mm).
6. Check whether the bench sensor has been securely closed.
7. Install the bench sensor on the wall of the sauna room using the two wood
screws enclosed (16 mm). Maintain an interval of 15 cm to the roof of the
sauna room.
4.4. Installing the humidity temperature sensor FTS2 (optional)
The humidity temperature sensor must be installed on the wall of the sauna
room above the rear bench seat. An interval of approx. 15 cm to the roof of the
sauna must be maintained.
To install the humidity temperature sensor, perform the following steps:
1. Lay the two 5-pin bench sensor wires in the wall of the sauna room, leading
sensor wires using wire clips.
2. Install the humidity temperature sensor to the wall of the sauna room using
the two wood screws enclosed (16 mm). Maintain an interval of 15 cm to
the roof of the sauna room.
Installation instructions, only for experts p. 16/38
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 evaporator capacity totals 3.5 kW.
1
2
4
3
5
6
b
7
8
9
a
c
d
e
f
1Low-voltage connection area
2
remote start and sensor wires
3Function selection switch
4Cable bushing for F2 and FTS2 sensors
5Cable bushing for F1 sensor
6
and remote start
7Cable bushing for evaporator cable
8Cable bushing for heater wire
9Cable bushing for power supply cable
aCable bushing for power booster
bCable bushing for lights and fan
cTerminal strip for heater and evaporator
and power supply cable
dTerminal strip for lights and fan
eTerminal strip for power booster
fConnection area for 230 V / 400 V
g Earth rail
h RJ45 socket for RS-485 and pronet
g
h
This manual suits for next models
2
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