Installation Instructions; Safety Information; Water Connection; Wall Mounting - Siemens DO 3670D4 Installation And Operating Instructions Manual

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Dispose of the packaging and old unit, if necessary, in an
environmental friendly manner.
Install the small water heater as shown in the illustrations.
Observe the instructions in the text.
The illustrations can be found in the centre of the instruction
manual.

Installation instructions

Safety Information

Risk of electric shock!
Disconnect the power supply immediately if a fault
occurs!
Have the small water heater connected only by
a specialist.
Observe the legal regulations as well as the connection
conditions of the electrical power company and the water
works.
Caution!
Fill the unit completely with water first and then plug
in the mains plug. Otherwise the temperature fuse will
melt and must be replaced by customer service.
Connect the unit only to a mains socket with protective
contact that is installed according to regulations. Do not
use an extension cord. If necessary, equip the unit with a
longer cord (see Section F).
The small water heater may be used only open (un-
pressurised) and for one tapping point. The warm wa-
ter outlet serves for pressure equalisation and
may be connected only to special mixing batteries
(Order-Nr. BZ 13051 or BZ 13061)
The outlet of the battery must always be free.
Do not use a aerator (air mixer).
During heating, expansion water drips from the outlet.
The supply cord should not touch hot parts. The insulation
could be damaged.
The unit is to be mounted only in frost-free rooms.
After mounting, please give the instructions for use to
the owner and explain the unit to him.
Maintenance and repair work should only be per-
formed by a qualified professional.
The appliance should not be supplied power via a timer
switch. Otherwise, there is a risk of an unintentional
reset of the protection temperature limiter during a
malfunction.
Risk of electric shock!
Disconnect the power supply before
opening the appliance!
A
Items Supplied/Dimensions
en
Mounting

Water Connection

B
Caution!
Do not allow the existing mixing battery to become calci-
fied. A reduced flow rate will ruin the water heater.

Wall Mounting

C
For mounting without the wall hooks, observe the diffe-
rent dimensions.
D
Screwing on the Connection Hoses
Fit the sealing gasket.
Place the sleeve nuts onto the threads and screw on by
hand.
Tighten the screw fitting. Hold the threaded fittings on
the water heater with a spanner. Do not lubricate the
thread!
After the unit has been used to heat water a few times,
check the screws and retighten, if necessary.
Replacement for a damaged threaded fitting is available from
customer service.

Putting into Operation

E
The mains plug must not be plugged in.
1
Open the angle valve.
2
Completely fill the heater's reservoir with water.
Set the flow on the angle valve.
5 l/min = 1 l in 12 seconds
3
Only after steps 1 and 2 have been completed:
Insert the mains plug.
Turn the temperature selector to „III" (approx. 85° C).
Observe the heating until the control lamp goes off.
Duration: approx. 12–18 minutes.
Check the temperature
Caution: if the safety temperature limiter has switched off
the small water heater, disconnect the mains plug, open
the hot water tap, allow approx. 4 litres of water to run
through and then reconnect the mains plug. The unit is
now ready for operation again.
4
Limiting of the Outlet Temperature
The outlet temperature of the water heater can be me-
chanically limited to Step „I" (approx. 40 °C) or
Step „e" (approx. 60 °C).
Information on temperature limiting can be found on
page 6.
5
Saving energy
Turn the temperature selector to „e".
Replacing the Power Supply Cord
F
The power supply cord must be replaced by our cus-
tomer service only in order to avoid a hazard.
The mains plug must be pulled before replacing.
7

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