Helo ROCHER DET User manual

ELECTRIC SAUNA HEATER:

1118-701-040518

1118-1051-040518

CONTROL PANEL:

1601-27 (RA 27 (T-1)

314 SKLT 51-3 A

Installation and User Manual ROCHER DET

Contents

1. Quick instructions for use of the sauna heater 3

1.1. Check before taking a sauna bath 3

1.2. Operation of the sauna heater controls 3

2. Information for users 3

2.1. Sauna room 3

2.2. Recommended sauna room ventilation 4

2.3. Heating the sauna 4

2.4. Sauna heater stones 5

2.5. Electric heating toggle 6

2.6. If the sauna heater will not heat up 6

2.7. Preparing for sauna heater installation 6

2.8. Installation 6

2.9. Preparing for piling the stones 7

2.10. Installing the support for heating elements 8

2.11. Sauna heater safety clearances 9

2.12. Connection of the sauna heater to the mains 9

2.13. Locating the connecting box for the connection cable in the sauna room 10

2.14. Safety distances 11

2.15. Principle image when T1 is used as control panel 12

2.16. Wiring diagram 13

3. Rocher DET spare part list 14

4. ROHS 14

Images and tables

Image 1 Recommended sauna room ventilation 4

Image 2 Preparing for piling the stones 7

Image 3 Installing the support for heating elements 8

Image 4 Location for the connection box 10

Image 5 Corner and wall installation 11

Image 6 Middle installation 11

Image 7 Principle istallation 12

Image 8 Wiring diagram for the sauna heater 13

Table 1 Safety clearances 9

Table 2 Connection cable and fuses 9

Installation and User Manual ROCHER DET 2

1. Quick instructions for use of the sauna heater

1.1. Check before taking a sauna bath

1. The sauna room is suitable for taking a sauna bath.

2. The door and the window are closed.

3. The sauna heater is topped with stones that comply with the manufacturer's recommendations, the heating elements are

covered with stones, and the stones are piled sparsely.

NOTE! Ceramic rocks are not allowed.

1.2. Operation of the sauna heater controls

Refer to the specific control panel operating instructions.

For additional information about enjoying a sauna bath, please visit our website at www.helo.fi

2. Information for users

Persons with reduced physical and mental capacity, sensory handicap, or little experience and knowledge about how the device

is operated (e.g. children), should only operate the device while supervised or according to instructions given by the persons in

charge of their safety.

Make sure that children aren't playing with the sauna heater.

2.1. Sauna room

The walls and ceiling of a sauna room should be thermally well insulated. All surfaces that store heat, such as tiled and

plastered surfaces must be insulated. It is recommended to use wooden panel cladding inside the sauna room. If there are heat

storage elements in the sauna room, such as decorative stone, glass etc., note that these elements may extend the pre-heating

period even though the sauna room is otherwise well insulated (see page 6, section 2.7. Preparing for sauna heater installation).

Installation and User Manual ROCHER DET 3

2.2. Recommended sauna room ventilation

Image 1 Recommended sauna room ventilation

1. Sauna room 3. Electric sauna heater 5. Exhaust flue or channel

2. Washroom 4. Exhaust valve 6. Door to the sauna room

7. A ventilation valve can be installed here to be kept closed while the sauna is heated and during bathing.

Inlet vent can be positioned in the A zone. Make sure the incoming fresh air will not interfere with (i.e. cool down) the sauna

heater's thermostat near the ceiling.

The B zone serves as the incoming air zone, if the sauna room isn't fitted with forced ventilation. In this case, the exhaust valve

is installed min 1m higher than the inlet valve.

DO NOT ISTALL INLET VALVE WITHIN ZONE C, IF THE SAUNA HEATER'S CONTROL THERMOSTAT IS LOCATED IN

THE SAME ZONE.

2.3. Heating the sauna

Before turning the sauna heater on, make sure the sauna room is suitable for taking a sauna bath. When heated for the first

time, the sauna heater may emit some odour. If you detect any odour while the sauna heater warms up, disconnect the sauna

heater briefly, and air the room. Then you can turn the sauna heater on again.

The sauna heater is turned on from the control panel that has controls for the heating temperature and

time.

The heating of a sauna should be started roughly an hour before you plan to take a sauna bath, so that the stones have time to

heat up properly and the air warms up evenly in the sauna room.

Do not put any objects on the sauna heater. Do not dry clothes on the sauna heater or anywhere in its vicinity.

Installation and User Manual ROCHER DET 4

min

500 mm

C A

1000 mm

2.4. Sauna heater stones

Quality stones meet the following requirements:

- Sauna stones should withstand heat and heat variation caused by vaporisation of the water thrown on the stones.

- Stones should be rinsed before use in order to avoid odour and dust.

- Sauna stones should have an uneven surface to supply a larger surface for the water to evaporate from.

- Sauna stones should be large enough, measuring about 50–100 mm to allow good ventilation between the stones.

This extends the useful life of the heating elements.

- Sauna stones should be piled sparsely in order to enhance ventilation between the stones. Do not bend the heating

elements together or against the frame.

- Rearrange the stones regularly (at least once a year) and replace small and broken stones with new, larger stones.

- Stones are piled so that they cover the heating elements. Do not, however, pile a large heap of stones on the heating

elements. For a sufficient amount of stones refer to Table 1 on page 9. Any small stones in the package of stones

must not be piled on the sauna heater.

- The warranty does not cover defects resulting from poor ventilation caused by small and tightly packed stones.

- Ceramic rocks are not allowed. They may cause damage to the sauna heater that will not be covered by the warranty.

Installation and User Manual ROCHER DET 5

2.5. Electric heating toggle

The electric heating toggle applies to homes with an electric heating system.

Sauna heater has a connection (marked 55) for controlling the electric heating toggle. Connector 55 and the heating elements

are simultaneously live (230V).

2.6. If the sauna heater will not heat up

If the sauna heater will not heat up, please check that:

- the power is on;

- the main fuses of the sauna heater are intact;

- is there any error messages on the control panel. In case of an error message on the control panel,

please refer to the control panel instructions.

THE PERSON INSTALLING THE SAUNA HEATER SHOULD LEAVE THESE INSTRUCTIONS AT THE PREMISES

FOR THE FUTURE USER.

2.7. Preparing for sauna heater installation

Check the following before installing the sauna heater.

- The ratio of the heater's input (kW) and the sauna room's volume (m3). Volume recommendations are presented in Table 1

on page 9. The minimum and maximum volumes must not be exceeded.

- The sauna room height must be a min. of 1900 mm.

- Uninsulated and masonry stone walls extend the preheating time. Each square metre of plastered ceiling or wall surface adds

1.2 m3to the sauna room's volume.

- Check page 9 Table 2 for a suitable fuse size (A) and the correct diameter of the power supply cable (mm²) for the sauna

heater in question.

- Conform to the specified safe clearance around the sauna heater. Please refer to Table 1 on page 9.

- There should be enough room around the sauna heater for maintenance purposes. Also a doorway can be considered as a

maintenance area.

2.8. Installation

Follow the safety clearance specifications on page 9 when installing the sauna heater.

The sauna heater is a floor-standing model. The base must be solid, because the sauna heater weighs about 120 kg.

The sauna heater is levelled by the adjustable legs.

The sauna heater is fixed on the floor from its legs by the provided metal fasteners (2 pcs). This will keep the safety clearances

intact during use.

Mounting of the sauna heater to the wall or the sauna benches available as an accessory (metal fastenings. S-ZH 58, 0043272).

Walls or ceilings must not be clad with fibre-reinforced plaster board or other light-weight cladding, because they may cause a

fire hazard.

Only a single sauna heater is allowed per sauna room

Installation and User Manual ROCHER DET 6

2.9. Preparing for piling the stones

Removing of the supporting bars to pile the stones

Unscrew the bars' mounting screws (2 pcs).

Lift the support bar's locking plate up from its

normal position.

Lift off the support bars.

Pile stones up to the Helo marker.

Reinstall the support bars.

Install the support bars as above in the reversed order.

Pile the stones so that they cover the heating elements.

For specific instructions refer to section 2.4 Sauna heater stones.

Image 2

Installation and User Manual ROCHER DET 7

2.10. Installing the support for heating elements

Note that heating element support should always be used in order to

prevent the heating elements from being bent into each other or out sideways.

Installation of the heating element support:

Pile in stones up to halfway of the provided space. Position the

support so that the heating elements stay between the openings.

Tilt the support and press the pivots at each end of the support to

the grooves in the inside of the heater's vertical beams, one end at a

time. The support for heating elements should stay levelled.

Push the pivots at one end of the support to the

grooves in the vertical beams.

Press the pivots at the other end of the support to the

grooves in the heater's vertical beams.

Subsequently, pile in stones up to the upper edge so

that they cover the heating elements.

Image 3

Installation and User Manual ROCHER DET 8

2.11. Sauna heater safety clearances

Power

Saunaroom Safety clearances min. Adequate amount

of stones

Approx. kg

min.

max.

Height

min.

On the

sides

In front

To the

ceiling

H A

6,8 5 9 1900 60 60 770 100

10,5 9 15 1900 60 60 770 100

Table 1 Safety clearances

2.12. Connection of the sauna heater to the mains

The sauna heater must be connected to the mains by a qualified electrician and in compliance with current regulations. The

sauna heater is connected with a semi-permanent connection. Use H07RN-F (60245 IEC 66) cables or a corresponding type.

Other output cables (signal lamp, electric heating toggle) must also adhere to these recommendations. Do not use PVC

insulated cable as a connection cable for the sauna heater.

A multipolar (e.g. 7-pole) cable is allowed, if the voltage is the same. In the absence of a separate control current fuse, the

diameter of all cables must be the same, i.e. in accordance with the front fuse.

The connecting box on the sauna wall should be located within the minimum safety clearance specified for the sauna heater.

The maximum height for the connection box is 500 mm from the floor. See page 10 Image 4 Location for the connection box

If the connection box is located at over 500mm distance from the heater, the maximum height is 1000mm from the floor.

Sauna heater insulation resistance:

The sauna heater heating elements may absorb moisture from air, e.g. during storage. This may cause leakage currents. The

moisture will be gone after a few heating sessions. Do not connect the heater power supply through a ground fault interrupter.

However, adhere to the effective electrical safety regulation when installing the sauna heater.

Power

Sauna heater’s

connection cable

H07RN-F /

60245 IEC 66

mm2

400 – 415V 3N~

Fuse

Sauna heater’s

connection cable

H07RN-F /

60245 IEC 66

mm2

230V 3~

Fuse

Sauna heater’s

connection cable

H07RN-F /

60245 IEC 66

mm2

230-240V 1N~/2~

Fuse

6,8

10,5

5 x 1,5

5 x 2,5

3 x 10

3 x 16

4 x 2,5

4 x 6

3 x 16

3 x 35

3 x 6,0

------

1 x 35

------

Table 2 Connection cable and fuses

Installation and User Manual ROCHER DET 9

2.13. Locating the connecting box for the connection cable in the sauna room

200 mm

A A

500 mm

Image 4 Location for the connection box

100 mm = Specified minimum safety clearance

1. Recommended location for the connecting box

2. Silumin box recommended in this area.

3. This area should be avoided. Always use a silumin box.

In other areas, use a heat-resisting box (T 125 °C) and heat-resisting cables (T 170 °C). The

connection box must be clear of obstacles. When installing the connection box to zones 2 or 3,

refer to the instructions and regulations of the local energy supplier.

Installation and User Manual ROCHER DET 10

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