14
Operation
!
Material losses
Connecting the appliance via a time switch will
cause an unintentional reset of the high limit safety
cut-out.
» Never connect the appliance to the power sup-
ply via a time switch.
Material losses
Failure to observe the installation instructions may
result in water damage and void the guarantee.
2.3 Test symbols
See type plate on the appliance.
3. Appliance description
This open vented (non-pressurised) appliance constantly
maintains the water content at the pre-selected temper-
ature. As water is drawn from the appliance, cold water
ows in at the same rate. The appliance is equipped with
a temperature controller which maintains the set water
temperature.
During heating, expansion water drips from the tap. This
natural process cannot be stopped by turning off the tap
excessively tightly.
The appliance is equipped with a high limit safety cut-
out which isolates it from the power supply if excessive
temperatures occur.
The appliance may only be installed with taps for open
vented (non-pressurised) water heaters (see chapter "In-
stallation / Appliance description / Accessories").
Subject to season, varying cold water temperatures can
result in different maximum amounts of mixed outlet water.
3.1 Operation
You can set any required DHW outlet temperature var-
iably at the temperature selector. The heat-up indicator
illuminates during the heat-up process.
1
D0000064699
1 Temperature selector
OFF / frost pro-
tection
The appliance is protected against frost. The
tap and water lines are not protected.
approx. 30 °C approx. 30 °C
e.g. for hand washbasins
approx. 55 °C approx. 55 °C
e.g. for regular DHW demand
approx. 85 °C approx. 85 °C
e.g. for occasional hot water demand
!
Material losses
High water temperatures can result in the appliance
scaling up more quickly and higher energy con-
sumption
» Only select the maximum temperature setting
for brief periods as required.
!
Material losses
To prevent the appliance running dry, especially
after prolonged periods out of use, replace the water
regularly by opening the tap to the "hot" position.
4. Cleaning, care and
maintenance
» Never use abrasive or corrosive cleaning agents. A
damp cloth is sufcient for cleaning the appliance.
» Check the tap regularly. You can remove limescale
deposits at the tap outlet using commercially availa-
ble descaling agents.
Almost every type of water will deposit limescale at high
temperatures. This settles inside the appliance and af-
fects both the performance and service life.
5. Troubleshooting
Problem Cause Remedy
The appliance does
not supply hot water.
The temperature se-
lector is set to "OFF /
frost protection".
Switch the appliance
ON by turning the
temperature selector.
No power at the ap-
pliance.
Check the plug / fuses
in the distribution
board.
The flanged immer-
sion heater is faulty.
Call your qualified
contractor.
Water can only be
drawn at a reduced
rate.
The aerator in the tap
is scaled up.
Descale / replace the
aerator.
Loud boiling noises in-
side the appliance.
The appliance is
scaled up.
Call your qualified
contractor.
If you cannot remedy the fault, notify your qualied con-
tractor. To facilitate and speed up your enquiry, please
provide the numbers from the type plate.
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