Safety; General Safety Instructions; Instructions, Standards And Regulations; Appliance Description - STIEBEL ELTRON DEM 3 Bedienung Und Installation

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7.

Safety

Only qualified contractors should carry out installation, commis-
sioning, maintenance and repair of the appliance.
7.1

General safety instructions

We guarantee trouble-free operation and operational reliability
only if the original accessories and spare parts intended for the
appliance are used.
Damage to the appliance and environment
Observe the maximum inlet temperature. The appliance
can be damaged by higher temperatures. You can limit
the inlet temperature by means of a central thermostatic
valve (see chapter "Appliance description / Accessories").
7.2

Instructions, standards and regulations

Note
Observe all applicable national and regional regulations
and instructions.
The specific electrical resistance of the water must not fall below
that stated on the type plate. In a linked water network, observe
the lowest electrical resistance of the water (see chapter "Speci-
fication / Application areas"). Your water supply utility will advise
you of the specific electrical resistance or conductivity of the water.
8.

Appliance description

8.1

Standard delivery

Delivered with the appliance:
- Sieve inside the cold water inlet
- Special aerator "SR"
- Connection hose 3/8, 500 mm long, with gaskets*
- Tee 3/8*
- Company logo for oversink installation
*for the connection as pressure-tested appliance
8.2

Accessories

Special aerator "SR"
- SR 3 part number 289591
for DEM 3 and DEM 4 with flow governor
- SR 5 part number 270582
For DEM 6
Unpressurised taps
- WEN Sensor tap for washbasins
- MAW Wall mounted tap for oversink
- MAZ Twin lever basin tap
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- MAE Mono lever basin tap
Pressure-tested tap
- WEH Sensor tap for washbasins
ZTA 3/4 - Central thermostatic valve
Thermostatic valve for central premixing, for example for operat-
ing an instantaneous water heater with a solar thermal system.
9.

Preparations

f Flush the water line thoroughly.
Water installation
A safety valve is not required.
Taps/valves
f Use suitable taps (see chapter "Accessories").
Note
Fitting the special aerator into the tap provides you with
an optimum water jet.

10. Installation

10.1 Installation location

Damage to the appliance and environment
Install the appliance in a room free from the risk of frost.
f Always install the appliance vertically near the draw-off
point.
The appliance is suitable for undersink and oversink installations.

10.2 Installation options

10.2.1 Undersink installation
1
1 Unpressurised, with unpressurised tap
2 Pressure-tested, with pressure-tested tap
Appliance installation
Note
f Mount the appliance on the wall. The wall must pro-
vide sufficient load-bearing capacity.
2
B ’