SDC / DHC Software version
EN2H-0220GE51 R1111 7
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1 Software version
This documentation is valid for software version V 3.1 of your
control device. The software version is displayed after switch-on
for approx. 8 s. If you are using an older software version, please
contact your heating technician.
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2 Safety instructions
2.1 Intended use
The SDC / DHC Smile family of controllers was designed for the
sole purpose of regulating and controlling hot-water, heating and
district heating systems (including hot-water production) that do
not exceed a maximum flow temperature of 120 °C.
2.2 Requirements for start-up
ATTENTION
The heating system must be complete and filled with water
so that the pumps do not run dry and the heating boiler is not
damaged.
The control equipment must be installed in accordance with
the installation instructions.
All electrical connections (voltage supply, burner, mixer
motor, pumps, sensor wiring etc.) must be carried out by the
technician in accordance with the applicable VDE regulations
and correspond with the circuit diagrams.
If floor heating is connected, a limiting thermostat must also
be installed in the flow line after the heating circuit pump.
This switches off the pumps at excessive flow temperatures.
Before starting up the controller, have the heating technician
check all requirements listed above.
The current time and date are already set at the factory and are
backed up by a battery.
The time switch functions based on a basic program and the
control functions are preset for common heating systems with low-
temperature boilers.
NOTE
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