6 720 813 939 (2016/05)
OptiFlow Professional
8 | Maintenance (only by authorised service technicians)
By selecting the temperature and only turning on the hot tap,
energy and water consumption can be reduced.
3.5
Programming button
Setting the water temperature
Fig. 5
▶ Press the buttons
or
to select the desired
temperature.
▶ Press the
button for 3 seconds to set the
temperature.
When the display stops flashing, the temperature is set in the
memory.
Selecting the preset temperature
To select the preset temperature.
▶ Press the
button for 1 second.
The display will show the preset temperature and will supply
water at that temperature.
3.6
Draining the appliance
If draining the appliance is required, the following process
should be followed:
▶ Shut off the cold water isolation valve on the cold water
inlet off the appliance.
▶ Open a hot water tap.
▶ Remove the connection to the cold water pipe.
▶ Empty all the water contained inside the appliance.
3.7
Error codes
See table 4 on page 9.
Resetting the appliance
Some error codes may be solved by resetting the appliance:
▶ Press the button
for 3 seconds.
3.8
Cleaning the front of the appliance
▶ Only clean the front of the appliance with a cloth and
detergent with water.
4
Maintenance (only by authorised service
technicians)
To guarantee that the consumption of gas and the emission of
exhaust gas are maintained at the best values, we recommend
that the appliance be inspected every two years and if
necessary, maintenance works be carried out.
▶ Your appliance should only be attended to by a Bosch
service agent. Call for service contract details: AU 1300 30
70 37, NZ 0800 54 33 52.
CAUTION:
The temperature indication on the display is
approximate, always confirm with your hand
before bathing children or old people.
NOTICE:
Not draining the appliance when a freezing risk
exists may damage components of the
appliance.
Beforehand place a container below the
appliance to collect all the water that comes
out of the appliance.
Turning off the power to the appliance will
disable the frost protection circuit. If switching
of power is required, the appliance MUST be
drained.
Do not use corrosive and/or abrasive
detergents.
Maintenance must only be performed by an
authorised service technician.
Summary of Contents for OptiFlow Professional GWH12 1 CTD E23
Page 15: ...6 720 813 939 2016 05 OptiFlow Professional 15 Notes ...
Page 16: ...6720813939 ...
