Manual Stiebel Eltron Thermofan Duo BHC 175 (page 12 of 26) (English, German, Dutch, French)

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BHC 175

C26_07_80_0012

2. Installation instructions IRUTXDOLÀHGLQVWDOOHUV

The installation (water and electrical work)

and commissioning as well as maintenance of

this appliance must be carried out only by an

approved qualified installer in accordance with

these instructions.

Only remove the packaging of the unit and

accessories at the place of installation, taking

note of the additional package.

When unpacking, take care to ensure that no

accessories remain behind in the packaging

material.

2.1 Equipment description

11 Protective dust filter

12 Wall distance pipe

13 Screw5x40

14 Adjusting screw M4 x 10

15 Spacer

16 Clamp

17 Screw M5 x 30

18 Cap

19 RawplugØ8mm

20 Mount-hook

21 Cap

22 Power supply cable with plug, 1000 mm long

23 Heating flow pipe connection G ½

24 Heating return pipe connection G ½

25 Air bleed cock

26 Fixing bolt

27 Rating plate

28 Extension 180 mm

29 Extension 130 mm

30 Extension 50 mm

31 90° -elbow union

The towel rail radiator is for wall mounting only.

In preparation for installation, the unit is filled

with a heat carrier medium (water/glycol mix

ture) which is heated via an immersion heater.

The electrical connection takes place via a

mains plug.

If necessary, after draining the heat carrier

medium the unit can also be connected to the

hot water central heating system via the feed

(23) and return connectors (24).

With splash protection class IP 24, the heater

can also be used in protected zones 2 to

VDE 0100T701 (follow the notes on protected

zones in 2.2).

2.2 Instructions and regulations

The appliance must not:

– Be operated in areas which are subject

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chemicals, dust, gases or vapours;

– Be operated in the immediate vicinity of

pipes or containers which carry or con-

tain combustible or potentially explosive

substances;

– Be operated, at less as the minimum

clearance distances advised.

In workshops or other areas in which the

odour of waste gases, oil, petrol, etc. might

occur, or in which work is carried out involv-

ing solvents and chemicals, there is a risk of

sustained odour burdens being engendered,

and possibly of dirt contamination occurring.

x The appliance should only be installed on a

vertical wall resistant to temperatures above

90 °C

To avoid danger to very small children,

the unit must be installed so that the

lowest crossbar is at least 600 mm above

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x The installation wall must have sufficient

load-bearing capacity (appliance weight, see

“6SHFLÀFDWLRQV”).

x Observe the minimum distances from ad-

joining surfaces of objects.

x The appliance should not be installed im-

mediately below a wall socket.

x All electrical connection and installation

work must be carried out in accordance

with the VDE regulations (0100), the regula-

tions of the competent water and electricity

supply companies as well as the appropriate

national and regional regulations.

x Follow the rating plate.The stated voltage

must be in accordance with the mains voltage.

x If the heating unit is installed in rooms with

a bath and/or a shower, the range of pro-

tection according to the I.E.E. Regulations- in

conformity with the information on the unit

rating plate - must be taken into account.

x The unit is to be fitted in such a way that

switching and control devices cannot be

touched by anyone in the bath or under the

shower.

x If it needs replacing, the power supply cable

must only be replaced with an original

Stiebel Eltron spare by a qualified installer.

x The appliance must in any case be filled with

water. Operating the appliance electrically

without filling it will destroy the appliance.

x The connection of the bath/towel heating

elements to the central heating system may

not allow the free expansion of the water

content of the bath/towel heating element

to the expansion vessel if the thermostatic

valve is closed. If the valve is installed in the

return flow, then it must be ensured that this

can only be operated by means of a tool so

that the unauthorised closure of the valve is

prevented.When using the electrical direct

heating element (summer operation) this

valve may under no circumstances be closed.

2.3 Use of the Unit

If the bathroom heater is operated electrically

only, it must be installed without connecting

the feed and return connectors for the central

heating system, depending on the unit type

concerned.

If the bathroom heater is to be connected

to the central heating system, before instal

lation the factory-filled heat carrier medium

(required for purely electrical operation) must

be drained.

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Stiebel Eltron Thermofan Duo BHC 175 Manual

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