Sentiotec Concept R combi Användarmanual

Version 07/23 Ident no CP-RCB-MA

INSTRUCTIONS FOR INSTALLATION AND USE

English EN

DE

FR

IT

NL

SV

CS

SL

FI

Sauna heater

Concept R combi black

CP-RCB-090 / 1-027-775: Concept R combi 9.0 kW

CP-RCB-105 / 1-027-776: Concept R combi 10.5 kW

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 9

3.1. Scope of delivery 9

3.2. Accessories 9

3.3. Product functions 9

4. Installation and connection 10

4.1. Installation location and sensor position 10

4.2. Safety distances 11

4.3. Adjusting the height 11

4.4. Connection diagram for 400 V 3N~ 12

4.5. Connection diagram for 230 V 1N~ 13

4.6. Electrical connection 14

5. Commissioning 16

5.1. Filling the stone container 16

5.2. Inserting the ceramic bowl 16

5.3.Heatingforthersttime 17

6. Operation 18

6.1. Finnish sauna mode 18

6.2. Combi mode 19

EN

7. Maintenance 21

7.1. Extended periods of non-use 21

7.2. Cleaning the sauna heater 21

7.3. Changing the sauna stones 21

7.4. Cleaning the evaporator tank 22

7.5. Cleaning the ceramic bowl 22

7.6. Descaling the evaporator tank 23

8. Problem-solving by the installer 23

9. Disposal 23

10. Technical data 24

11. Dimensions 25

Instructions for installation and use p. 4/26

1. About this instruction manual

Carefully read these instructions for installation and use, and keep them near

the sauna. 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.

Do not cover Read the operating instructions

These installation and operating instructions can also be found in the

downloads section of our website: www.sentiotec.com/downloads.

EN

Instructions for installation and use p. 5/26

2. Important information for your safety

The Concept R combi sauna heater has been produced in accord-

ance with the applicable safety rules and regulations. However,

hazards may occur during use. Therefore adhere to the following

safetyinformationandthespecicwarningnoticesintheindividual

chapters.

2.1. Intended use

The Concept R combi is a sauna heater with integrated evaporator.

The Concept R combi is intended solely for heating sauna cabins

and for increasing the humidity within the sauna cabin. The Concept

R combi may only be used in conjunction with a sauna control unit

without a remote start function.

The Concept R combi sauna heater can also be used with a sauna

control unit with a remote start function, but only in conjunction with

the optional safety shutdown feature (CP-R-SWL).

The Concept R combi sauna heater can also be used in public

saunas, but only in conjunction with the optional safety shutdown

feature (CP-R-SWL).

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. 6/26

2.2. Safety information for the installer

●Installing and connecting the sauna heater may only be performed

when the power supply is disconnected.

●Installationmayonlybeperformedbyaqualiedelectricianor

similarlyqualiedperson.

●A fully disconnecting all-pole isolating device compliant with

overvoltagecategoryIIImustbettedonsite.

●Always use silicone cables that are heat-resistant up to 150 °C

to connect the sauna heater.

●Only install one sauna heater in the cabin. The Concept R combi

sauna heater must not be used together with other sauna heaters

in a sauna cabin.

●The roof and walls of the sauna cabin must be manufactured

from low-resin, untreated or thermally treated wood, e.g. Nordic

spruce,hemlock,pineorr,orfromlaminatedwoodenmateri-

als. If laminated wooden materials are used, make sure that the

adhesiveusedinthemdoesnotgiveoformaldehyde.Ifother

materials than wood are used in the sauna cabin, these materi-

als must be heat-resistant and corrosion-resistant and must not

causeanynegativeeectsonthehealthofthesaunausers.

●The height of the sauna cabin must be at least 2.0 m.

● Observethespecicationsonvolumesandonventilationofthe

sauna cabin in chapter 10. Technical data on page 24.

●When positioning the sauna heater, observe the minimum safety

distances (see chapter 4.2. Safety distances on page 11).

●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.

EN

Instructions for installation and use p. 7/26

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 over 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:

– 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 device.

●Children under 14 years of age may only clean the device if they

are supervised.

● Forhealthreasons,donotusethesaunawhenundertheinu-

ence of alcohol, medication or drugs.

●Never operate the sauna heater without sauna stones, as this

cancauseres.

●Heat up the sauna heater and the evaporator for half an hour

BEFOREusingthesaunaforthersttime.DoNOTremainin

the sauna cabin during this period. Then ventilate the sauna

cabin well (see 5.3. Heating for the rst time on page 17).

● Makesurethatnoammableobjectshavebeenplacedonthe

sauna heater before the sauna control unit is switched on.

Instructions for installation and use p. 8/26

●Never touch the sauna heater while it is operating. The surfaces

of the sauna heater and sauna stones become extremely hot.

●NEVERpourwaterintothehotevaporatortank.Checkandll

the evaporator tank each time before starting combi mode. If the

overheatingprotectionhasswitchedoevaporatorheating,orif

your sauna control unit reports a lack of water, allow the evaporator

to cool down BEFORE you pour water into the evaporator tank.

●For your own safety, consult your supplier in the event of problems

thatarenotdescribedinsucientdetailintheuserinstructions.

EN

Instructions for installation and use p. 9/26

3. Product description

3.1. Scope of delivery

●Sauna heater

●Instructions for installation and use

●Ceramic bowl for herbs and fragrances

3.2. Accessories

Accessories Item number

AutoRellSet CP-RC-AF

Safetyshut-o CP-R-SWL

Bracket set for heater railing CP-R-HSR

LINDEN wooden railing, large CP-R-L2

WALNUT wooden railing, large CP-R-N2

Emotion railingset LINDEN, large CPR-EMO-L2

Emotion railingset WALNUT, large CPR-EMO-N2

3.3. Product functions

The Concept R combi sauna heater is a combination heater. The following op-

erating modes are possible:

●Finnish sauna mode: usually 80 to 100 °C; approx. 10% rel. humidity

●Combi mode (only in combination with a combi control): approx. 40 to 65 °C,

35% to 70% humidity. The maximum permissible relative humidity decreases

with increasing temperature.

If you wish, you can put fragrances or dried herbs in the ceramic bowl over

the evaporator in combi mode. The rising steam releases essential oils from

theherbsandallowsfragrancestollthesaunacabin.

Installation instructions, only for experts p. 10/26

4. Installation and connection

Take the following points into account when positioning and connecting the sauna

heater:

Ifthereissucientventilation,theConceptRsaunaheatercanalsobe

setupasafree-standingdevice.Inthiscase,tthetemperaturesensor

to the cabin roof above the centre of the heater.

●Theelectricalconnectionmayonlybeperformedbyaqualiedelectricianor

similarlyqualiedperson.

●A fully disconnecting all-pole isolating device compliant with overvoltage

categoryIIImustbettedonsite.

●The Concept R combi sauna heater is a free-standing heater. It does not need

tobeattachedtotheoororsaunawall.

●Donotplacethesaunaheateronaoormadefromaneasilyammable

materialsuchaswoodorplastic.Suitableooringincludesceramictiles,for

example.

4.1. Installation location and sensor position

Position the heater centrally in front of the air intake opening in the cabin wall.

ObservethesafetydistancestothecabinwallspeciedinFig. 1.

Install the temperature sensor with excess temperature cut-out to the cabin wall

above the centre of the sauna heater. Maintain a distance of 15 cm to the sauna

cabin roof.

WARNING!

Danger of electric shock

●The sauna heater may only be installed and connected when the

power supply is disconnected.

min.

1940

450

min.

50

715-725

min.

50

150

590

min.

1215

EN

Installation instructions, only for experts p. 11/26

Fig. 1 Safety distances for Concept R combi 9 kW and 10.5 kW

(CP-RCB-090 / CP-RCB-105)

4.2. Safety distances

ObservetheminimumsafetydistancesspeciedinFig. 1.

Dimensions in mm

4.3. Adjusting the height

The Concept R combi sauna heater has height-adjustable feet. The height can

therefore be set between 715 mm and 725 mm. Each foot can be set individually,

makingitpossibletoadaptthesaunaheatertounevenoors.

1. Loosen the sauna heater foot using an

open-ended spanner (13 mm).

2. Lift the sauna heater slightly and turn

the foot to the right to reduce the height.

Turn to the left to increase the height.

3. Retighten the foot using the open-ended

spanner.

L1 L2 N

L3 U

V

N

Wr

r

w

ϑϑ

U

V

NW

W

400V 3N~

NVNU

PE

N

V1

Wm

N

U1

WM

L2

L1

L3

Installation instructions, only for experts p. 12/26

4.4. Connection diagram for 400 V 3N~

Fig. 2 Connection diagram for Concept R combi 9 kW and 10.5 kW

2

34

1 Sauna control unit

2 Temperature sensor with excess temperature cut-out

3 Evaporator

4 Heating system

5 Power supply

1

5

Fig. 3 Wiring diagrams – heating system

1,5 kW

U V W

1,5 kW

CP-R-090

9,0 kW

N N N

W V U

1,5 kW

2,0 kW

1,5 kW

U V W

2,0 kW

1,5 kW

2,0 kW

CP-R-105

10,5 kW

N N N

W V U

To the

sauna

control unit

To the

sauna

control unit

CP-RCB-090

9 kW

CP-RCB-105

10.5 kW

EN

Installation instructions, only for experts p. 13/26

4

4.5. Connection diagram for 230 V 1N~

Fig. 4

2

3

5

1

Connection diagram for Concept R combi 9 kW and 10.5 kW

1 Sauna control unit

2 Temperature sensor with excess temperature cut-out

3 Evaporator

4 Heating system

5 Power supply

Remove the copper bridge

*

L1 L2 N

L3 U

V

N

Wr

r

w

ϑϑ

U

V

NW

W

230V 1N~

NVNU

L

PE

N

V1

Wm

N

U1

WM

1

Installation instructions, only for experts p. 14/26

U1

N

4.6. Electrical connection

1. Unscrew the screws 3 and 4 with a screwdriver.

2. Unscrew the screws 1 and 5 with a screwdriver.

3. Remove the cover plate 2.

1

2

3

4

5

Fig. 5 Wiring diagram – evaporator

To the

sauna

control unit

12

1 Excess temperature cut-out

2 Lack of water

EN

Installation instructions, only for experts p. 15/26

4. Guide the connection cable of the heating system through the feed-through 6.

5. Connect the connectors of this connection cable to the U – V – W – N – PE

terminals on the connector block 5 and to the applicable sauna control

unit terminals. Observe the installation instructions for the sauna control

unit when doing so.

6. Guide the evaporator cable through the feed-through 8.

7. Connect the connectors of this evaporator cable to the PE – N – U1 – Wm

terminals on the connector block 7 and to the applicable sauna control

unit terminals. Observe the installation instructions for the sauna control

unit when doing so.

8. Reattach the cover panel 2 to the heater.

7

8

5

6

5 Connector block for the heating system

6 Feed-through for the connection cable of the heating system

7 Connector block for the evaporator

8 Feed-through for the evaporator cable

Instructions for use for the user p. 16/26

5. Commissioning

5.1. Filling the stone container

The amount of stones suited to your heater output can be found

in chapter 10. Technical data (see page 24).

1. Wash the stones thoroughly using water and a brush before use. Do not

use any cleaning additives.

2. Beforellingtheheaterwiththesaunastones,checkthemforforeignobjects

and remove any remaining packaging.

3. Place the stones in the stone container. Stack the sauna stones loosely so

thataircanowthroughthegaps.

4. Make sure that the sauna stones do not protrude beyond the edge of the

stone container.

5.2. Inserting the ceramic bowl

WARNING!

Risk of re due to overheating

If the sauna heater is used without sauna stones, the cabin walls will

becomeextremelyhot.Thiscouldcauseres.

●NEVER operate the sauna heater without the sauna stones.

●Place the ceramic bowl on the

evaporator tank as shown in the

illustration on the right.

EN

Instructions for use for the user p. 17/26

5.3. Heating for the rst time

CAUTION!

Formation of smoke and odours when heating up for the rst time

Materials used during the manufacturing process will be present on the

new heating elements. These evaporate when the sauna heater is heat-

edupforthersttime.Thisproducessmokeandanunpleasantodour.

Breathing in the fumes or smoke can be harmful to your health.

Perform the following steps when operating the sauna heater for the rst

time and if the heating elements for the sauna heater have been replaced.

This prevents damage to health due to the fumes and smoke produced when

heatingforthersttime.

1. Heatingtheheatingrodsforthersttime

a. Select the highest possible temperature on the sauna control unit.

b. Heat up the sauna heater for half an hour.

Do NOT remain in the sauna cabin during this period.

2. Heatingtheevaporatorforthersttime

a. Select a low temperature and high humidity on the sauna control unit.

b. Heat up the evaporator with half the amount of water (see page 20)

Do NOT remain in the sauna cabin during this period.

c. Switchothesaunacontrolunitafterapprox.15minutes.

d. Allow the evaporator to cool (for approx. half an hour).

e. Empty the water tank (see Filling the evaporator on page 20)

f. Repeat step 2.b.

g. Allow the sauna cabin to ventilate thoroughly after heating for

thersttime.

h. If no smoke or odours form the next time the sauna heater is heated,

you can start to use the sauna.

If smoke or odour is produced again, leave the sauna cabin immedi-

ately and repeat the initial heating up process followed by ventilation.

Instructions for use for the user p. 18/26

A sauna control unit is used to operate the sauna heater. For information on how

to operate the sauna control unit, read the operating instructions for the device

used. Please note that only sauna control units without a remote start function

are permitted for use with the Concept R combi sauna heater.

6. Operation

WARNING!

Risk of re

Combustible objects that are placed on the heater will ignite and cause

res.

●NEVER place combustible objects on the sauna heater.

●MakesurethatNOammableobjectshavebeenplacedonthe

heater before operating it.

6.1. Finnish sauna mode

In Finnish sauna mode, only the heating system operates. Dry heat is produced.

The temperature in the cabin is high (80 to 100 °C). The maximum humidity level

of 10% is low. The temperature in the sauna cabin is regulated by your sauna

control unit.

At the end of the sauna session, you can pour an infusion of water over the

stones. Pour water over the stones using a sauna ladle. The water evaporates

and the humidity in the sauna cabin increases.

With the optional safety shutdown feature (CP-R-SWL), the Concept

R combi sauna heater is also suitable for sauna control units WITH

a remote start function.

EN

Instructions for use for the user p. 19/26

TheAutoRellSet(CP-RC-AF)allowsforaxedwaterconnection,

makingitpossibletolltheevaporatortankautomatically.

When pouring water over the stones, observe the following points:

●Only use tap water. Sea water, hard water and chlorinated water can damage

the sauna heater.

●Only use fragrances and essential oils that are suitable for use in saunas. Follow

the manufacturer’s instructions on the packaging of the scented substance.

●Do not pour the water onto the stones too quickly. Only this way will all the

water evaporate completely.

6.2. Combi mode

Both the heating system and evaporator operate in combi mode. The temperature

in the sauna cabin is lower than in Finnish sauna mode (approx. 40 to 65 °C),

with the relative humidity being considerably higher at 35% to approximately

70%. The maximum permissible relative humidity decreases with increasing

temperature. The temperature and the humidity in the sauna cabin are controlled

by your sauna control unit.

Theevaporatortankmustbelledmanually.Ifthewaterintheevaporatortank

hasbeenusedup,anoverheatingprotectionfunctionautomaticallyturnsothe

heating of the evaporator. The lack of water is reported to the sauna control unit

and displayed there, e.g. by an audible warning tone and the message “FILL”.

ATTENTION!

Damage to the evaporator

Sea water, hard water, chlorinated water, herbs, essences or fragrances can

damage the sauna heater.

● Onlylltheevaporatortankwithtapwater.

●Do not put herbs, essences or fragrances directly into the evaporator tank,

and only into the ceramic bowl over the evaporator.

●Descale the evaporator regularly (see 7.6. on page 24).

Instructions for use for the user p. 20/26

CAUTION!

Risk of scalding

If you pour water into the hot evaporator tank, hot steam is created.

●NEVER pour water into the hot evaporator tank.

● Checkandlltheevaporatortankeachtimebeforestartingcombi

mode.

●Iftheoverheatingprotectionhasswitchedoevaporatorheating,or

if your sauna control unit reports a lack of water, allow the evapora-

tor to cool down BEFORE you pour water into the evaporator tank.

Filling the evaporator

CAUTION!

Risk of scalding

If the evaporator tank is too full, boiling water will spray out of the evap-

orator tank.

● Onlylltheevaporatortankuptothemaximummark.

1. Remove the ceramic bowl 1 and

the steam funnel 2.

2. Place a receptacle (at least 5 litres)

under the ball valve at the bottom

of the evaporator.

3. Turn the ball valve to the left until

theremainingwaterowsout.

4. When the evaporator tank 3 is empty,

close the ball valve.

5. Fill the evaporator tank 3 with fresh tap

1

water up to the maximum mark. You will need about 5 litres of water for

this. This amount of water allows the evaporator to be operated for ap-

proximately 1 hour.

6. Replace the ceramic bowl 1 and the steam funnel 2.

2

3

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