to the left, to the end.
B Mix water from the heating system with FSK antifreeze,
Schilling Chemie (22% -55%) or glycerin N, BASF
(Glythermin) (20% -62%) or Antifrogen N, Hoechst /
Ticona (20% -40%).
You can find an overview of the faults in
the table on page 33.
blinking:
B Do not change the position of the control panel
thermostat knob.
In the heat exchanger, the water is kept permanently
at a certain temperature. Therefore, the time to obtain hot
water is reduced.
Button position
Tab. 5
B Stop, then restart the boiler.
If the fault code reappears:
exterior
-or
In the case of the room thermostat
If the key
approx. 55ÿC
Malfunctions may occur during operation.
The boiler resumes its working mode and the display
will show the flow temperature.
ECO mode, the key lights up
B Leave the heating on.
Water temperature
The heating mode is switched off. For this mode, only
domestic hot water production is activated. The power
supply of the room thermostat or chronothermostat
remains switched on.
B Press and hold the key until the display will
This function prevents the circulation
pump from locking in the event of a longer
period of inactivity.
At a certain outside temperature, the controller
automatically switches off the circulation pump and
the heating mode.
The domestic hot water temperature can be adjusted by
approx. 40ÿC and 60ÿC. using the button The set temperature will not be shown on the display.
Maximum left
B Call the specialist service company and report the fault.
Because of this, the burner starts from time to time for a
short time, even if there is no demand for domestic hot water.
In the case of the electronic regulator with probe
Maximum right
B The boiler thermostat knob rotates
Fig. 19
Comfort mode, key does not light (factory setting)
The display will show a fault code and the key may
flash.
If the key does not flash:
The boiler resumes its working mode and the flow
temperature is displayed.
In the heat exchanger, the water is not permanently
maintained at the same temperature. When the tap is
opened, the water will start to heat up to the desired
temperature.
approx. 60ÿC
Putting into service
By pressing the key and holding it for a short time in this
position, the switch between comfort and ECO operating
modes is performed.
approx. 40ÿC
display.
After each stop of the pump, a timer is activated
which starts the circulation pump for a few minutes,
every 24 hours of non-operation.
18
6 720 610 333-07.1O
ECO key
i
i
5.5 Domestic hot water temperature
5.6 Operation during summer
(domestic hot water only)
5.9Protection against pump
blockage
5.8 Faults
5.7 Frost protection
6 720 610 828 RO (02.01)
Machine Translated by Google
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