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2. Installation Instructions
Installation and electrical connection may
only be carried out by an engineer in accord-
ance with these instructions.
2.1 Unit Type
A
1 Temperature selection knob
2 Indicator light
3 Cold water connection (blue)
4 Hot water connection (red)
5 Electrical connection line
6 Suspension rail
7 Protective pipe for protected temperature
restrictor with reset function
8 Protective pipe for thermostat
9 Rating plate
2.2 Description of Unit
Open (pressureless) water heater for oversink
installation, to supply a water tap, for heating
cold water to EN 806.
Only fittings for open (pressureless) water
heaters may be installed.
We recommend Stiebel Eltron fittings: for or-
der no. see 1.7 "Special accessories".
2.3 Technical Data
Current data on the rating plate.
Type
Nominal capacity
Design
Weight
Heating power
Voltage
Flow rate, max.
Protection to EN 60529
Connection line with plug
Temperature setting range
(fully adjustable)
Table 1
2.4 Regulations and Conditions
• Perfect function and operating safety can
only be guaranteed with the original
Stiebel Eltron accessories and spare parts
designed for the unit.
• The conditions of the local electricity sup-
ply company and competent water supply
authority must be observed.
• The fitting outlet serves for ventilation. Do
not block the outlet connector or fitting
swivel arm. Do not use a perlator or hose
with jet regulator.
• An earthed socket is required for connec-
tion of the unit which must remain freely
accessible after installation of the unit.
If the unit is permanently connected to
the AC network (unit connection socket),
it must be able to be isolated from the
network via a separation gap of at least
3 mm in all poles.
Installation with direct (fixed) electrical
lines is not permitted.
for the engineer
2.5 Important Notes
If this unit is exposed to water pres-
sure, the container may leak and
cause water damage.
If the water connections on the unit are
transposed, the unit will not function.
2.6 Installation Site
The heater should be installed in a frost-free
room, vertically with water connections at the
bottom.
The maximum permitted length of connecting
pipe from fitting to unit is 1 m. If this is ex-
ceeded, an additional pipe ventilator must be
installed in the overflow line.
2.7 Unit Installation
• Mount the suspension rail. Select fixing
materials according to the strength of the
wall.
Excess line length can be stored in the cable
holder C provided.
• Suspend the unit.
• Fit the water connections C , set the flow
rate (max. 5 l/min; see Description of Unit).
Note on two-handle mixer set:
UFP 5 h
The control handles for the two-handle mi-
5 l
xer set are supplied to DIN 44897:
cold water left (blue)
offen
hot water right (red).
3.1 kg
2 kW
2.8 First Use
230 V
(By the engineer only!)
5 l/min
I. Open the hot water fitting or set the one-
IP 24 D
hand mixer to "warm" until the water
approx.
emerges free from bubbles.
750 mm
II. Connect the electrical plug and select the
approx.
temperature.
35 °C - 85 °C
Danger of running dry!
If the sequence is changed, the pro-
tective temperature restrictor will trip in.
In this case, add water and isolate the unit
from the power supply briefly to reset the
running dry protection.
III. Temperature setting restrictor F :
Only if the restricted temperature setting
is required is the max. temperature set
via the restrictor ring.
IV. Remove protective film from controls.
Unit hand-over:
Explain to the user how the unit works and
how to operate it. Point out any possible dan-
gers (scalding). Give him these Installation
and Operating Instructions for safe keeping.
2.9 Service Notes
Before all work, first isolate the unit
from the power supply and remove
the unit from the wall.
• Open unit G :
a Pull off thermostat and temperature re-
strictor ring. Remove screw.
B
b Lower locking bolt
c Swivel housing cover aside and remove.
• Replace electrical power line:
To replace the connecting line use Stiebel
Eltron part no. 02 06 71, or an H05VV-F3x1.0
line.
Circuit diagram D
• Positioning of thermostat sensor in protec-
tive pipe:
When replacing or removing the thermostat,
insert the sensor 200 mm into the protective
pipe E and attach below the earth plug.
• Drain unit:
The unit is drained via the connector.
• Descaling:
Remove heating flange, remove coarse scale
by careful tapping, immerse heating element
in limescale remover up to the flange plate.
• Checking earth conductor to BGV A3:
Disconnect the plug and remove the thermo-
stat. Test at the thermostat fixing screw and
earth contact of the connection line.
9
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