6
GB
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If the safety valve is not directly situated before an outlet,
an outlet pipe with a continuous downwards tilt must be
fitted.
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Note: According to the energy conservation regulations,
the temperature in pipes may not exceed 60°C if the
length of the warm water pipes exceeds 5 m.
Unpressurized operation
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With this tank one open (unpressurized) tap can be
supplied.
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Install a suitable overflow mixer:
BZ12410 Wall mixing tap with tub outlet, shower hose and
hand-held shower head: or
BZ11110 Mixing tap with visible cross-connected body
for mounting on vertical surface and hand-held shower
head.
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The tap outlet must always remain free as it is used for
ventilation. Do not use perlators/diffusers.
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Install a check valve in the cold water supply.
Startup
Important: Connect the water supply connections and then
the electrical supply connections as otherwise the appliance
will be damaged.
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Fill and rinse the tank until the water flows without air
bubbles.
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Plug in the main plug.
Display 1 (Fig. E) lights up as long as the appliance heats.
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Expansion water should drip from the outlet of the safety
valve (pressurized operation) or from the mixer
(unpressurized operation) during heating.
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Monitor during the first heat up operation.
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Tip: Water loss and scaling are at their lowest at a water
temperature of approx. 55°C.
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After installation, hand over the operating instructions to
the user and explain how the appliance operates.
Appliance switch off
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If the water tank is not in continuous use it can be
switched off by setting the rotary knob to “0” (off).
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If the appliance is switched off (position 0) and/or the
electrical supply is disconnected, the tank must be
drained fully by our customer service department or an
authorised specialist in order to avoid frost damage.
Draining (Fig. C)
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Disconnect the appliance from the electrical supply.
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Close the stop valve (6).
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Open a warm water tap (7).
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Connect a draining hose to the drain valve (8) or safety
valve (1).
Open the valve and drain the water.
O p e r a t i n g i n s t r u c t i o n s
Safety instructions
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Use only in accordance with these instructions.
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The appliance may only be installed and put into operation
by a specialist or an authorised service agent.
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With pressurized operation the safety valve must be
operated regularly every month to verify its function and to
descale the valve (Fig. D).
Open the lever until water emerges. Close the lever again
(operating state).
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Contact customer service if the safety valve does not
work.
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If the water tank has not been used for more than three
months it must be thoroughly rinsed out until the water
flows without air bubbles.
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The appliance and the respective water pipes and
components may only be installed in a frost-free room.
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Please inform children that the water outlet can be hot!
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Persons (including children) with diminished bodily,
sensory or mental perception, or those who lack
knowledge or experience should not operate the
appliance, unless they are monitored or have received
instruction concerning use of the appliance by persons
responsible for their safety.
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Please monitor children to ensure that they do not play
with the appliance.
Operating elements and displays
(Fig. E)
1 display
The display lights up as long as the appliance is heating.
The display switches off as soon as the set temperature is
reached.
2 rotary knob
The temperature is set and the appliance is switched on and
off using this.
Operation
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During operation the water temperature is set with rotary
knob 2 between approx. 35 °C (I) and approx. 75 °C (III).
Setting “e” (water temperature approx. 55 °C) is
recommended. Water losses and scaling are at their
lowest with this setting
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If warm water is no longer required, set the rotary knob to
the * (frost protection) setting.
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If the water tank is not in continuous use it can be
switched off by setting the rotary knob to “0” (off).
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If the appliance is switched off (position 0) and/or the
electrical supply is disconnected, the tank must be
drained fully by our customer service department or an
authorised specialist in order to avoid frost damage. See
V. appliance switch off
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The device should be disconnected from the mains supply
when working on the water supply.
IV.
V.
