Sentiotec HWO-035NS-P User manual

Back wall heater
HWO-035NS-P / HWO-035NS-Z
HWO-045NS-P / HWO-045NS-Z
HWO-060NS-P / HWO-060NS-Z
HWO-080NS-P / HWO-080NS-Z
HWO-090NS-P / HWO-090NS-Z
HWO-105NS-P / HWO-105NS-Z
INSTRUCTIONS FOR INSTALLATION AND USE
English
Version 11/12 Ident-Nr. 50950060
EN

WE DO IT FIRST.
Instructions for installation and use P. 2/24
Contents
1 General safety and installation information 3
2 Use as intended 4
3 Installation and electrical connection - only for experts 5
4 Usage instructions for the user 14
 &XVWRPHUVHUYLFH 
6 Warranty clauses 17
7 Disposal 17
8 Technical data 18
9 Scope of supply 19
10 Spare parts 20

1 General safety and installation information
Meaning of the symbols used in the instructions for installation:
WARNING:
The possibility of serious or even fatal injury exists in the event of non-observance.
CAUTION:
The possibility of slight to moderate injury or material damage exists in the event of non-observance.
TIP:
Gives tips for use and useful information.
Please keep these instructions for installation and use carefully in proximity to the control unit in order
to be able to refer to safety information and important operational information at any time. Please also
heed the special safety information in the individual chapters.
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from all advantages which the device has to offer and prevent damage and injury.
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 The protective measures necessary in accordance with VDE 0100 Section 49 DA/6 and VDE 0100 Part
703/11.82 Section 4 must be complied with. Not all accident risks can be precluded, even when all
necessary protective measures are heeded.
 The sauna heater may only be operated in conjunction with a suitable external control device.
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 A three pole cut-out device with a 3 mm contact opening must be present in the installation. (Generally
provided by the fuse).
 This device is not intended for use by persons (including children) with limited psychological, sensory or
mental capacities or a lack of experience and/or knowledge, unless they are supervised by a person
responsible for their safety.
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 Seek medical advice on sauna temperature and duration in the case of health-related restrictions, babies,
children, the elderly and handicapped.
 Keep these instructions for installation and use carefully in proximity to the control device in order to be
able to refer to safety information and important operational information at any time.
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to dimensions in particular.
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consult your supplier for your own safety.
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 Only a sauna heating device with relevant heating output may be installed in the sauna cabin.
See DIN EN 60335-2-53.
 Do not operate the sauna heater without sauna stones. This can lead to unpermissibly high temperatures
on the sauna walls.
WE DO IT FIRST.
Instructions for installation and use P. 3/24
EN

 Only use sauna stones approved for sauna use. Place sauna stones loosely, there is a risk of overheating if
the sauna stones are packed in too tightly.
 Operation without sauna stones is not permitted.
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 Only pour on moderate amounts of water, excessive water on the stones can lead to the risk of scalding.
The quantity poured on should not exceed 10 cl/m³ cabin volume.
 Do not use the sauna to dry objects, clothing or laundry. Risk of burning!
 Do not place objects on the heater or the heater grille. Risk of burning!
 The heater may produce crackling noises in the heating up phase and during operation (metal, heating rods
and stones are spreading out).
 Metallic surfaces can rust in humid and maritime climates.
 Sauna equipment and sauna cabins may only be manufactured from suitable, low resin and untreated
materials (e.g. Nordic spruce, poplar or linden).
 Over the course of time, the cabin walls in the vicinity of the sauna heater will darken to a greater extent
than in the rest of the cabin. This is normal. No compensation claims will be accepted.
 The permissible maximum temperature for the surface of the walls and ceiling of the sauna cabin is
&HOVLXV
 The height of the sauna cabin must be min. 1.90 m.
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from the manufacturing processes. Ventilate your cabin after this process before entering the sauna.
 The ventilation openings must neither be sealed nor covered.
 Never use water from swimming pools or whirlpools. This could cause irreparable damage to the heater.
 Never use saline water. This can cause irreparable damage to the heater. No liability can be accepted for
damage caused as a result of this.
 Should you live in regions with very hard or mineral-rich water, check the condition of the heater regularly to
prevent irreparable damage.
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2 Use as intended
This sauna heating device is intended solely for heating sauna cabins, in conjunction with a relevant control
device.
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operation, maintenance and servicing instructions also pertains to use as intended.
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pertaining to this shall be borne solely by the perpetrator.
WE DO IT FIRST.
Instructions for installation and use P. 4/24

3 Installation and electrical connection  only for experts
Minimum distances
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must be complied with.
1040
170
860
220
min. 300
200
Minimum distances  side
70
50
60
Minimum distances - front
WE DO IT FIRST.
Instructions for installation and use  only for experts P. 5/24
EN

Installation of the heater sensor with safety temperature limiter
For 8kW  10.5kW back wall heaters, a sensor adaptor is also necessary. To this end, the instructions
under Installation of sensor adaptor and heater sensor with safety temperature limiter must be heeded under
all circumstances
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above. Install the heater sensor S1 centrally above the heater, 60mm (centre of sensor) below the protective
grille. Also heed the dimensions stated under Minimum distances with regard to the protective grille.
Installation of sensor adaptor and heater sensor with safety temperature
limiter (only back wall heaters 8kW bis 10,5kW)
60
S1
Heater sensor
Sensor adapter and heater sensor with safety temperature limiter
AA B
B
C
D
WE DO IT FIRST.
Instructions for installation and use  only for experts P. 6/24

Damage to the device: only install the sensor adapter and the sensors with a screwdriver. There is a risk
of damage to the sensor adapter or sensor when a cordless screwdriver is used.
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Now install sensor D on the front side of sensor adapter A. Ensure that the screws meet the prescribed centre
punches.
Attachment of the heater to the sauna wall
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Installation of the pouring hose
Place the opened hose clamp 2 onto
the pouring hose 1.
Push hose 1over the connector 3.
Tighten the hose clamp with a screwdriver.
A pouring funnel is optionally available as an accessory.
A
A
A
A
H
H
H
H
F
Installation view
Installation of pouring hose
WE DO IT FIRST.
Instructions for installation and use  only for experts P. 7/24
EN

Installation of the pouring hose
Ensure a continuous gradient when installing the hose. Water which collects in wells can impair the air
quality after long periods of non-use!
Installation of pouring dish
1 ... Open up the hose clamp A completely and place it over pouring hose B
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Secure the hose to the hose clamp.
Do not use a cordless screwdriver. Only tighten the hose clamp with
a screwdriver.
The pouring dish can be secured to the edge of the heater protection grille.
A
B
C
WE DO IT FIRST.
Instructions for installation and use  only for experts P. 8/24

Electrical connection and wiring diagrams
The electrical installer is responsible for the proper connection of the heating devices and the
manufacturers liability is therefore precluded!
Wiring diagrams
U V W N
1,15kW 1,15kW 1,15kW
zum Steuergerät
3,45kW
U V W N
1,5kW 1,5kW 1,5kW
zum Steuergerät
4,5kW
U V W N
2,0kW 2,0kW 2,0kW
zum Steuergerät
6,0kW
HWO 035NS HWO-045NS
HWO-060NS
To the control deviceTo the control device
To the control device
WE DO IT FIRST.
Instructions for installation and use  only for experts P. 9/24
EN

Connection of the heater  general information
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found in the installation instructions for the control device.
The heating cartridge does not need to be removed from the heater for electrical connection.
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WARNING: Always use silicone cable to connect the heater. PVC cables will become brittle due
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1,5kW
1,15kW
1,5kW
U V W N
1,15kW
1,5kW
1,15kW
zum Steuergerät
7,95kW
HWO-080NS
1,5kW 1,5kW 1,5kW
U V W N
1,5kW 1,5kW 1,5kW
zum Steuergerät
9,0kW
HWO-090NS
1,5kW 2,0kW 1,5kW
U V W N
2,0kW 1,5kW 2,0kW
zum Steuergerät
10,5kW
HWO-105NS
To the control device
To the control device
To the control device
WE DO IT FIRST.
Instructions for installation and use  only for experts P. 10/24

Connection of HWO-035NS / HWO-045NS / HWO-054NS / HWO-060NS
Loosen the screws 3of the cover 5. Remove the cover 5from the
connection box 1. Pull the cable through the bushing 4&RQQHFW
the conductors of the cable to the relevant terminals 2.
CAUTION: Heed protruding wires and cable remnants.
These can lead to short circuiting and considerable
damage.
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Poor terminal points can heat up severely and cause
irreparable damage.
Tighten bushing 4.
Replace cover 5on connection box 1and secure it with screws 3.
1
2
3
4
5
Terminal view
HW-035NS / HWO-045NS
HWO-060NS
1
2
3
4
5
Terminal view
HWO-080NS / HWO-090NS
HWO-105NS
Connection of HWO-080NS / HWO-090NS /HWO-105NS
Loosen the screws 3of the cover 5. Remove the cover 5from the
connection box 1. Pull the cable through the bushing 4&RQQHFW
the conductors of the cable to the relevant terminals 2.
CAUTION: Heed protruding wires and cable remnants.
These can lead to short circuiting and considerable
damage.
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tightened. Poor terminal points can heat up severely
and cause irreparable damage.
Tighten bushing 4.
Replace cover 5on connection box 1and secure it with screws 3.
WE DO IT FIRST.
Instructions for installation and use  only for experts P. 11/24
EN

Filling of stone container
Stone stacking
Remove the pouring pip 1 of the stone container 2upwards.
Uniformly stack the relevant quantity of stones for the heater
into the stone basket 2. These should be stacked loosely. Do
not use force under any circumstances. This can lead to
irreparable damage to the device. The stone quantity can be
found in the technical data.
Replace the pouring pipe 1into the stone container. Ensure
that this is correctly locked in place.
Unzureichend gefüllter Steinbehälter verursacht Brandgefahr!
Insufficent filled stone container causes fire hazard!
Risque d'incendie si le réservoir de pierres n'est pas suffisamment rempli!
Onvoldoende gevulde steenhouder veroorzaakt brandgevaar!
Un recipiente di pietre non riempito a sufficienza può causare rischio di incendio!
12/2011 8000217
Placement of the warning sign for the stone container
The warning sign contained within the scope of supply of the heater musted be sited in a clearly visible location
within the cabin
Stone container warning sign
Placement of the Do not cover warning sign
The warning sign contained within the scope of supply of the heater must be sited in a clearly visible location
within the cabin and in proximity to the heater
WE DO IT FIRST.
Instructions for installation and use  only for experts P. 12/24

Maintenance and care
Baking out of the heating rods after long periods of non-use.
Moisture can accumulate in the heating rods in especially humid ambient conditions or in the case of long
periods of non-use. This is a physical error and not a manufacturers error. An accumulation of moisture in the
heating rod can lead to triggering of the FI circuit breaker under certain circumstances.
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of the FI circuit breaker must be disabled for this process. After the moisture has escaped from the heating rods
after approx. 10min, the protective function of the FI circuit breaker must be reactivated.
Should the baking out fail to rectify the error, check the installation for errors and inform your sauna retailer
if necessary.
In general, baking out is recommended approximately every 5  6 weeks, depending on ambient
conditions.
NOTIZEN / NOTES / NOTE / NOTITIES
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.........
.........
................
.....
.........
WE DO IT FIRST.
Instructions for installation and use  only for experts P. 13/24
EN

4 Operating instructions for the user
Whenever the sauna heating device is used, ensure that no objects such as cloths, detergents,
etc. are placed above the heater or in the air ducts. Fire hazard exists in the event of
non-observance!
Pouring
Pouring through the pouring hose takes place in a deferred manner. Wait until the water has
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vaporised per m³ cabin volume. Wait at least 10 min. after every pouring before the next pouring. This will allow
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Never add greater quantities of pouring agent or essential oils to the pouring water that stated
on these receptacles. Never use alcohol or undiluted concentrates. Fire hazard!
Maintenance and care for the user
All sauna heating devices are made of corrosion-resistant materials. You should maintain and care for the de-
vice to ensure you obtain many hours of enjoyment from your sauna heating device. You must ensure that the
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non-permissible temperatures can occur.
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if necessary.
Proceed as follows to replace the stones:
Pouring pipe and
stone container
 Pull the pouring pipe 1 of the stone container 2upwards.
 Remove the old sauna stones.
 &KHFNWKHVWRQHEDVNHWIRUFRQWDPLQDWLRQ&OHDQWKHVWRQH
basket if it shows severe contamination. Proceed as
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 Stack the new sauna stones into the stone basket 2.
The necessary quantity of stones can be found in the
technical data.
 Do not use force under any circumstances. This can lead
to irreparable damage to the device and lead to
non-permissible temperature.
 Replace the pouring pipe 1into the stone container 2.
Ensure that the pouring pipe 1is correctly locked in place.
Never operate the device without sauna stones. This can lead to
non-permissibly high temperatures on the cabin walls!
WE DO IT FIRST.
Instructions for use for the user P. 14/24

Cleaning of the pouring pipe 1
Regularly check the pouring pipe 1for limescale deposits and
contamination. In particular after long periods of non-use.
To this end, remove pouring pipe 1from stone container 2.
The pouring pipe 1may only be cleaned in its dismantled
state, otherwise there is a risk of the heater being contaminated
by dripping cleaning agent and thus permanently damaged.
Pouring pipe and stone container
Cleaning of the stone container 2
Regularly check the stone container 2for limescale deposits,
contamination and foreign bodies. Pay particular attention to
combustible objects. Especially after a long period of non-use.
To this end, remove pouring pipe 1afrom the stone container
2. Remove the stones from the stone containe 2&KHFN
condition of the sauna stones and replace them if necessary.
Do not use any strongly acidic cleaning agents to clean. These
can cause irreparable damage to the heater. Ensure that no
cleaning agent drops onto the heating rods or the
connection box.
Only P (premium models): on P models the stone basket 2
can be removed from the heater in order to facilitate cleaning.
For this purpose, loosen the transportation locking screws 3.
You can now remove the stone baskets upwards and out of the
heater.
Remove the stones from the stone basket beforehand.
Do not pull the stone basket out of the heater on the
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stone basket could potentially become detached and cause
irreparable damage to the heater.
Thoroughly rinse the stone basket with lukewarm water after
cleaning.
Replace the stone basket in the heater after cleaning and
reapply the transportation locking screws.
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examined for combustible residues under all circumstances.
3
2
Instructions for use for the user P. 15/24
WE DO IT FIRST.
EN

Periods of non-use
Moisture can accumulate in the heating rods during long periods of non-use. This is a physical process and not
a manufacturers error.
Accumulation of moisture in the heating rods can lead to triggering of the FI circuit breaker under certain
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Dependent on ambient conditions, it is recommended to operate the sauna heating device for approx. 15 mins.
every 5-6 weeks.
Cleaning of the drip tray  premium models only
Examine the drip tray of the heater for residue and contamination at regular intervals. The drip tray can be found in
the base area of the heater. Pay attention to objects which could be whirled up by the air suction of the heater.
Dust residue in the area of the air intake opening can lead to an impairment of air quality if it reaches
the heating rods.
5 Customer service
Please enter the customer service address here:
.........
.........
................
.....
.........
sentiotec GmbH
world of wellness
Oberregauer Straße 48
A-4844 Regau
7
)
E-Mail: [email protected]
www.sentiotec.com
WE DO IT FIRST.
Instructions for use for the user P. 16/24

6 Warranty clauses
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We therefore offer a 5-year warranty on products for domestic use and a 2-year warranty on products for
industrial use.
The pre-requisites for this warranty are that:
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The following are excluded from the warranty:
Defects or damage which have occurred due to use otherwise than as intended. The warranty period begins
when the product is invoiced by the cabin manufacturer.
Presentation of the original invoice is a pre-requisite for this.
The warranty period is neither extended nor renewed by work done under warranty.
If your device is defective, return it to your sauna retailer.
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This warranty includes the remuneration of defective device components, with the exception of normal
wear and tear.
Heating rods are consumable products and are excluded from the warranty.
In the case of complaint, the device must be returned to our service department in its original packaging or
other suitable packaging. Risk of damage in transit.
7 Disposal
Please dispose of packaging materials in accordance with the applicable disposal regulations.
Used devices contain reusable materials. Therefore please do not simply take used devices to the nearest
waste disposal site, instead ask your local council about recycling facilities.
WE DO IT FIRST.
Instructions for installation and use P. 17/24
EN

8 Technical data
HWO-035NS
Dimensions: see Figure
Supply: 400Vac 3N 50/60Hz
Power consumption: 3.45kW
Fusing of supply lead: 3x10A
Minimum dimension of aeration/ventilation:
350mm x 20mm
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:HLJKWZLWKRXWVWRQH¿OOLQJNJ
HWO-045NS
Dimensions: see Figure
Supply: 400Vac 3N 50/60Hz
Power consumption: 4.5kW
Fusing of supply lead: 3x10A
Minimum dimension of aeration/ventilation:
350mm x 25mm
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:HLJKWZLWKRXWVWRQH¿OOLQJNJ
HWO-060NS
Dimensions: see Figure
Supply: 400Vac 3N 50/60Hz
Power consumption: 6.0kW
Fusing of supply lead: 3x10A
Minimum dimension of aeration/ventilation:
350mm x 30mm
&DELQYROXPHPñ
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:HLJKWZLWKRXWVWRQH¿OOLQJNJ
650
688
859
Dimension HWO-035 bis HWO-060.
WE DO IT FIRST.
Instructions for installation and use P. 18/24





HWO-035NS / HWO-045NS /
HWO-060NS

HWO-080NS
Dimensions: see Figure
Supply: 400Vac 3N 50/60Hz
Power consumption: 7.95kW
Fusing: 3x16A
Minimum dimension of aeration/ventilation:
350mm x 35mm
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:HLJKWZLWKRXWVWRQH¿OOLQJNJ
HWO-090NS
Dimensions: see Figure
Supply: 400Vac 3N 50/60Hz
Power consumption: 9.0kW
Fusing: 3x16A
Minimum dimension of aeration/ventilation:
350mm x 50mm
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:HLJKWZLWKRXWVWRQH¿OOLQJNJ
HWO-105NS
Dimensions: see Figure
Supply: 400Vac 3N 50/60Hz
Power consumption: 10.5kW
Fusing: 3x16A
Minimum dimension of aeration/ventilation:
350mm x 60mm
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9 Scope of supply
Heater
Installation material
Sensor adapter (only HWO-080 to HWO-105)
Pouring hose
Operating instructions
Warning information sticker for stone container
Do not cover warning
Pouring dish





HWO-080NS / HWO-090NS HWO-105NS
940
978
859
Dimension HWO-080 bis HWO-105
WE DO IT FIRST.
Instructions for installation and use P. 19/24
EN

10 Spare parts
The heater types and serial numbers can be found on the type
plate. This is situated internally on the left side of the heater,
below the sticker stating the minimum distances.
Placement of type plate
type plate
WE DO IT FIRST.
Instructions for installation and use P. 20/24