30
Operation
!
Material losses
Ensure that the non-pressurised appliance is not
exposed to any pressure as this could cause irrep-
arable damage:
» Only use the special aerator provided.
» Never use aerators or hoses with aerators.
» Never seal the tap outlets.
» Prevent scale build-up at the tap outlets (see
chapter "Cleaning, care and maintenance").
2.3 Test symbols
See type plate on the appliance.
3. Appliance description
The hydraulically controlled, non-pressurised small in-
stantaneous water heater heats the water directly at the
draw-o point. The heating system starts automatically
when the tap is opened. The short pipe runs ensure that
energy and water losses are minimal.
The DHW output depends on the cold water temperature,
the heating output and the ow rate.
The bare wire heating system is suitable for hard and soft
water areas. This heating system has a low susceptibility
to scale build-up. The heating system ensures quick and
ecient DHW provision at the hand washbasin.
Fitting the special aerator supplied provides an optimum
water jet.
4. Settings
The appliance heating system switches on automatically
as soon as you open the DHW valve at the tap or activate
the sensor of a sensor tap. The water is heated. The water
temperature can be adjusted at the tap:
For the start volume, see chapter „Specication / Data
table / On“.
Increasing the temperature
» Reduce the ow rate at the tap.
Reducing the temperature
» Open the tap further or add more cold water.
Following an interruption of the water supply
See chapter „Commissioning / Recommissioning“.
5. Cleaning, care and maintenance
» Never use abrasive or corrosive cleaning agents. A
damp cloth is sucient for cleaning the appliance.
!
Material losses
Scale build-up at the tap outlets can put the appli-
ance under pressure and may cause irreparable
damage.
» Check the taps/valves regularly. Limescale deposits
at the spouts can be removed using commercially
available descaling agents.
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