Harvia Sentiotec home.com4 Bedienungsanleitung

Version 12/17 ID no. XM1254A

INSTRUCTIONS FOR INSTALLATION AND USE

English

Sauna control unit

home.com4

Sauna control unit home.com4 BLACK 1-040-275

Sauna control unit home.com4 WHITE 1-040-276

home.com4

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 features 9

3.4. Sauna operating modes 11

3.5. Sensor operating modes 11

4. Installation 13

4.1. Installing the control unit 13

4.2. Cable glands 16

4.3. Installing the heater sensor F1 with overheat cut-out 17

4.4. Installing bench sensor F2 (optional) 18

4.5. Installing the humidity temperature sensor FTS2 (optional) 18

4.6. Installing the foil sensor (optional) 18

5. Electrical connection 19

5.1. Power supply cable, heater and vaporizer 21

5.2. Cabin light 21

5.3. Fan 21

5.4. F1 heater sensor 22

5.5. Bench sensor F2 (optional) 22

5.6. Humidity temperature sensor FTS2 (optional) 22

5.7. Safety shut-off 23

5.8. Additional output 23

5.9. Foil sensor (optional) 23

5.10. Power booster (optional) 24

5.11. Remote start (optional) 24

5.12. Speaker output (optional) 24

5.13. DMX output (optional) 25

5.14. Finishing the installation 26

6. Performing tests 27

7. Connection diagram 28

7.1. Connection diagram basic module 230 V / 400 V 28

7.2. Connection diagram for basic module low voltage 29

7.3. Connection diagram for expansion module 230 V 30

7.4. Connection diagram for expansion module low voltage 31

8. Controls 32

9. Commissioning 33

9.1. Technician menu 33

10. Operation 36

10.1. Switching on the light (cleaning lights) 36

10.2. Switching on the control unit 36

10.3. Sauna mode 37

10.4. Combi-mode 38

10.5. Post-drying program 39

10.6. Cabin light 40

10.7. Fan 40

10.8. Preset time 41

10.9. Operating time 42

10.10. ECO mode 42

10.11. Weekly timer 44

10.12. Child safety control 46

10.13. All Off 46

10.14. User programs 46

10.15. Additional output 48

10.16. Activating standby for remote operation 50

10.17. Coloured light 51

10.18. Music 52

11. App 55

12. Cleaning and maintenance 56

12.1. Cleaning 56

12.2. Maintenance 56

13. Disposal 56

14. Troubleshooting 57

14.1. Error messages 57

14.2. Low-water display 57

14.3. Fuses 60

14.4. Battery 61

15. Technical data 62

Instructions for installation and use p. 5/64

1. About this instruction manual

Read these installation and operating instructions carefully and keep them within

reach of the sauna control unit. This ensures that you can refer to information

about your safety and the 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. 6/64

2. Important information for your safety

The sauna control units of the home.com4 series have been pro-

duced in accordance with the applicable safety rules and regula-

tions. However, hazards may occur during use. Therefore adhere



in the individual chapters. Also observe the safety information for

the devices connected.

2.1. Intended use

The sauna control units of the home.com4 series are used exclusive-

ly for operating and controlling the sauna functions in accordance

with the technical data.

The sauna control units of the home.com4 series may only be used



as satisfying the combustion test described in paragraph 19.101 of

EN 60335-2-53. Alternatively, a suitable safety shut-off device can

be installed in or above the heater.

The sauna control units of the home.com4 series may only be used

for operating and controlling three heating circuits with a maximum

heating capacity of 3.5 kW per heating circuit. The maximum va-

porizer capacity is 3.5 kW. The maximum additional output capacity

is 3.5 kW.

Any use exceeding this scope is considered improper use. Improper

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

Instructions for installation and use p. 7/64

2.2. Safety information for the installer

 



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

power has been disconnected.

A fully disconnecting all-pole isolating device compliant with



The sauna control unit must be installed outside the sauna room

at a height of approx. 1.70 m or in accordance with the recom-

mendation 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 affected



The heater supply cable must have a minimum cross-sectional

area of 2.5 mm2 and 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. 8/64

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 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

only when:

– They are supervised.

– 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.

-

na heater before the sauna control unit is switched on.

-

na heater before activating the preset time function or the standby

mode for remote start.



of the infrared lamp before the sauna control unit is switched on.



front of the infrared lamp 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 problems



Instructions for installation and use p. 9/64

3. Product description

3.1. Scope of delivery

Sauna control unit home.com4

Heater sensor with integrated overheat cut-out

Sensor cables

Installation material

– 4 x chipboard screw 3 x 25 mm raised countersunk head

3.2. Optional accessories

Bench sensor (1-009-231/O-F2), sensor cables 1.5 m

Humidity temperature sensor (1-010-081/O-FTS2), sensor cables 6 m

Foil sensor (1-014-445/P-ISX-FF), sensor cables 3 m

Power booster (1-008-779/O-S2-18, 1-009-280/O-S2-30)

Safety shut-off (1-027-796/HT-SWL)

3.3. Product features

The sauna control unit home.com4 features the following functions:

Regulation of combi-model sauna heaters with a heating output of up to 10.5 kW

and vaporizer output of up to 3.5 kW in the temperature range spanning 30 °C

to 110 °C and a humidity range spanning 0% to 100%.

A power booster allows the maximum switching capacity to be increased from

10.5 kW to 18 kW or 30 kW.

Switching a cabin light (up to 100 W)

Intensity regulation of a fan (up to 100 W)

Preset time function (up to 6 hours)

User programs

The user programs enable favourite sauna settings to be saved and accessed



according to user requirements.

Automatic heating period limiter

The maximum heating period can be set to 6 h, 12 h, 18 h or 24 h.

Instructions for installation and use p. 10/64

Overheat cut-out

The overheat cut-out is installed in the housing for the heater sensor. Should

the sauna heater continue heating after reaching the preferred temperature

due to a defect, the overheat cut-out switches the sauna heater off at a tem-

perature of approx. 139 °C.

Real-time clock with weekly timer

Post-drying program



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.

Additional output

Optional dimming (up to 500 W) or activation (up to 3.5 kW) for the additional

output.

The additional output has no overheat cut-out. For this reason, only intrinsically

safe devices should be operated using the additional output.

– If infra-red heaters are connected to the additional output, they must

have an overheat cut-out.

– If infra-red heater panels are connected to an additional output, the foil

sensor 1-014-445/P-ISX-FF must be used and activated on the techni-

cian menu (see “9.1. Technician menu” on page 33):

Remote start function of two different operating modes or user programs.

Colour light control via DMX

– Adjustment of colour, brightness, transition times and duration.

– Four colour light groups independently operable.

Music playback via Bluetooth®

– 

Operation via Bluetooth® app

– Available for iOS and Android

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