Stiebel Eltron CNS с 11.09.2006: 1. Operation instructions for the user and the professional

1. Operation instructions for the user and the professional

1.2 Operation

The convector is switched on and off via the

switch (1) on the right-hand side. The desired

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room temperature is set via the temperature

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selector (2) anywhere between around +6°C

and +30 °C. As soon as the set room tem-

perature has been reached, it is maintained

constantly by intermittent heating (the heating

power of the unit must correspond at least to

the heat requirements of the room).

If several heaters are fitted in a room, the

temperature setting on each unit may vary.

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To avoid excessive energy consumption

with the windows open, the unit should be

switched off during ventilation at the switch (

1).

Frost protection

If the unit is used as a frost guard, set the tem

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Use of electrical equipment in principle re-

perature selector (2) to the far right stop (*).

quires care to exclude any potential risks from

In this position the thermostat switches the

fire, electrical shock or injury. Therefore the

heating on automatically if the room tempera-

unit should only be used as described in these

ture falls to around +6°C.

instructions, where any use outside the manu-

facturer‘s recommendations can lead to dam-

Limiting the thermostat

age or injury.

Using the two pins on the back of the switch

The correct match between the heat require

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housing (

3), the thermostat can be fixed in a

ment of the room and the heating power of

particular setting.

the unit must be observed.

Before use of the unit, read the entire instruc

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tions and follow the information given on

proper handling of the unit.

These instructions should be kept

carefully and handed to any subse-

quent user of the unit. Please show them to

the engineer performing any repair work.

1.1 Description

The CNS is an electric direct heater exclusive-

ly for wall installation. It is suitable e.g. for heat-

ing a bathroom or as transitional or additional

heating for small rooms such as hobby rooms

or guest rooms.

Series CNS-S

After wall mounting and electrical connection

via a plug and socket, the unit is ready for use.

Series CNS-U

After wall mounting and electrical connection

via a fixed connection through a junction box

(note national regulations), the unit is ready

for use.

Function

The air in the convector is heated by heating

element and emerges by natural convection

at the top through the air outlet grille (4). The

openings in the underside of the unit provide

cooling room air

Safety device

The convector has a protective thermostat

(STR) which switches the appliance off on

overheating. After eliminating the cause (e.g.

covered air outlet or inlet opening), after a

cooling down period of a few minutes the unit

resumes operation.

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1.3 Safety notes

Important features in brief

The unit should not be operated

– in rooms at risk of explosion or re from

chemicals, dust, gas or vapour,

– in the immediate vicinity of pipes or con-

tainers which transport or contain am-

mable or explosive substances,

– if the minimum distances from adjacent

object surfaces are not observed.

• Installation (electrical installation), first op

-

eration and maintenance of this unit may

only be performed by an accredited expert

1 On/off switch

according to these instructions.

2 Temperature selector button

• The unit must not be operated if in the

3 Locking pin

same room work is performed such as floor

laying, grinding, sealing, cleaning with petrol

and care (spray, beeswax) and similar.

• The housing surfaces of the unit and the

emerging air are hot during operation (over

80 °C). Risk of burns!

Keep small children away from the

unit.

• Do not place objects on the unit, lean ob-

jects against it or store anything between the

heater and the wall (e.g. drying washing).

Also do not place in the immediate vicinity

2

of the unit any flammable, combustible or

heat-insulating objects or substances such

as laundry, blankets, newspapers, containers

of beeswax or petrol, spray cans or similar.

Risk of explosion!

3

To prevent overheating of the unit, it

must not be covered.

•

A

For objects of all types e.g. furniture,

curtains, hangings or textiles or other flam

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mable or non-flammable materials, the fol-

lowing minimum distances from the unit

To fix a desired temperature, push pin a into

must be observed:

the hole opposite.

To the air outlet grille ⇒ 500 mm

To limit the temperature adjustment range,

To the sides ⇒ 100 mm

set the minimum and maximum values on the

To the top ⇒ 150 mm

selector knob and mark these by inserting pin

To the underside ⇒ 100 mm

b

into the opposite, slightly offset hole each

To the back wall ⇒ 26 mm

time.

Hot air must be able to escape unobstructed.

• The unit may not be used as a freestanding

1.2.1 External room thermostat

unit.

If necessary the unit can be operated with a

• Do not stand on the unit.

commercial external room thermostat. The

• No changes may be made to the unit.

temperature selector (2) must be turned to

• The unit should never be left in operation

the right stop (MAX). The room thermostat

accidentally.

should be located as far as possible from the

• Special care is required if the unit is used in

unit and at least 1.5 m high.

the presence of children, the infirm or animals.

Risk of injury!

1.2.2 Shutting Down

• If part of the unit is damaged, if the unit has

To shut down the unit, move the switch to the

fallen off or is malfunctioning, do not operate.

OFF position and remove the mains plug from

the wall socket (do not pull out the plug using

1.4 Care and maintenance

the lead).

If the unit housing shows a slight brown discol-

ouration it should be cleaned as soon as pos-

sible with a damp cloth and hot water:

When the appliance is cold it can be cleaned

with normal cleaning agents.

Avoid scouring or aggressive cleaning agents.

Moisture must not penetrate the unit.

Do not spray cleaning spray into the air slots.