Sentiotec Pro B2 Bedienungsanleitung

Version 12/20 ID no. 1-026-966

INSTRUCTIONS FOR INSTALLATION AND USE

English

Sauna control unit

Pro B2

PRO-B2

Table of Contents

1. About this instruction manual 4

2. Important information for your safety 5

2.1. Intended use 5

2.2. Safety information for the installer 6

2.3. Safety information for the user 7

3. Product description 8

3.1. Scope of delivery 8

3.2. Optional accessories 8

3.3. Product functions 8

3.4. Sensor operating modes 9

4. Installation 10

4.1. Installing the sauna control unit 10

4.2. Installing the heater sensor F1 with excess temperature fuse 12

4.3. Installing bench sensor F2 (optional) 13

5. Electrical connection 14

5.1. Connecting the power supply cable and heater cable 15

5.2. Connecting the light 15

5.3. Connecting the power booster (optional) 16

5.4. Connecting heater sensor F1 16

5.5. Installing bench sensor F2 (optional) 16

5.6. Connectingthesafetyshut-o󰀨 16

5.7. Remote start 17

5.8. Finishing installation 17

6. Performing tests 18

7. Connection diagram 20

8. Starting-up 21

8.1. Setting the heating period limit 21

8.2. Activating/deactivating phase alignment 22

8.3. Activating/deactivating the single-sensor mode 22

8.4. Displaying the heater temperature in single-sensor mode 22

9. Operation 23

9.1. Operating elements 23

9.2. Switching on the light 23

9.3. Switching on the sauna control unit 24

9.4. Starting the sauna 24

9.5. Changing the preset temperature 24

9.6. Setting the preset time 25

9.7. Cancelling the preset time function 26

9.8. Activating standby for remote operation 26

9.9. Switchingo󰀨thesaunacontrolunit 26

10. Cleaning and maintenance 27

10.1. Cleaning 27

10.2. Maintenance 27

11. Disposal 27

12. Troubleshooting 28

12.1. Error messages 28

12.2. Fuses 29

13. Technical data 30

Instructions for installation and use p. 4/30

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. 5/30

2. Important information for your safety

The sauna control unit Pro B2 has been produced in accordance

with the applicable safety regulations for technical units. However,

hazards may occur during use. Therefore adhere to the following

safetyinformationandthespecicwarningnoticesintheindividual

chapters. Also observe the safety information for the devices con-

nected.

2.1. Intended use

The sauna control unit Pro B2 is used exclusively for operating and

controlling the sauna functions in accordance with the technical data.

The sauna control unit Pro B2 may only be used for operating and

controllingasaunaheaterwhichhasbeencertiedassatisfying

the combustion test described in paragraph 19.101 of EN 60335-

2-53. If the heater does not meet this requirement, an appropriate

safetyprecautionmustbetaken(forexample:safetyshut-o󰀨,see

5.6 on page 16).

The sauna control unit Pro B2 may only be used for operating and

controlling 3 heating circuits with a maximum heating capacity

of 3.5 kW per heating circuit.

Any use exceeding this scope is considered improper use. Improper

use can result in damage to the product, in severe injuries or death.

Instructions for installation and use p. 6/30

2.2. Safety information for the installer

●Installationmayonlybeperformedbyaqualiedelectricianor

similarlyqualiedperson.

●Work on the sauna control unit may only be performed when the

power has been disconnected.

● Anall-poledisconnectingdevicewithfullcut-o󰀨compliantwith

overvoltagecategoryIIImustbettedon-site.

●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-

fectedbyaowofair.

●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-

lemsthatarenotexplainedinsu󰀩cientdetailintheinstallation

instructions.

Instructions for installation and use p. 7/30

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.

● Forhealthreasons,donotusethesaunawhenundertheinu-

ence of alcohol, medication or drugs.

● Makesurethatnoammableobjectshavebeenplacedonthe

sauna heater before the sauna control unit is switched on.

● Makesurethatnoammableobjectshavebeenplacedonthe

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-

lemsthatarenotdescribedinsu󰀩cientdetailintheoperating

instructions.

Instructions for installation and use p. 8/30

3. Product description

3.1. Scope of delivery

●Sauna control unit

●Heater sensor with integrated excess temperature fuse

●Sensor wires

●Installation material

3.2. Optional accessories

●Bench sensor (item number: O-F2)

●Power booster (item number: O-S2-18 / O-S2-30)

● Safetyshut-o󰀨(itemnumber:SFE-xxxxx)

●pronet web server (item number: PRO-NET)

3.3. Product functions

The sauna control unit Pro B2 features the following functions:

●Regulation of sauna heaters with a heating output of up to 10.5 kW in the

temperature range spanning 30 °C to 110 °C.

●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.

●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

heatero󰀨atatemperatureofapprox.139°C.

Instructions for installation and use p. 9/30

3.4. Sensor operating modes

The sauna control unit can be operated with one or two temperature sensors.

Single-sensor mode (F1)

Single-sensormodemustbeactivatedwhenstartingupthesaunafortherst

time (see 8.3. Activating/deactivating the single-sensor mode on page 22).

In single-sensor mode, the sauna control unit is operated with the heater sensor

with an excess temperature fuse (F1) only. In single-sensor mode, the sauna

control unit only displays the set temperature. The actual temperature is not dis-

played. Should the sauna control unit display the temperature above the heater

(F1) as an actual temperature in single-sensor mode, it must be activated when

startingupforthersttime(see8.4. Displaying the heater temperature in

single-sensor mode on page 22)

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.

Installation instructions, only for experts p. 10/30

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 eect 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).

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