English
15
The menu
MEN
The menu contains basic settings to specify additional functions such as sensor type, func-
tion check, etc. Navigation and changes are done as usual with the keys , while the
dialogue is only set up in the text line. As the settings in the menu can change the basic
features of the control unit, only a technician who has the code can open this level.
ENGL Language selection: The entire menu can be switched to the desired user lan-
guage even before the code is provided. The following languages are available:
German (DEUT), English (ENGL).
CODE Code number for entering the menu. The rest of the menu items are only dis-
played once the correct code number is entered.
SENSOR Sensor menu: indication of the type of sensor or a fixed temperature for an input
that is not used.
SYS PF System protective functions: CET switch off the solar thermal system when a
critical collector temperature has been reached; FROST anti-freeze function for
the collector.
STARTF Start function: start help for solar thermal systems.
ART After-running time: can be set for the output.
PSC Pump speed control (only for speed version VD)
COP Control output (0-10V / PWM)
As analogue function (0-10 V): output of a voltage between 0 and 10 V.
As fixed value of 5V to supply vortex sensors without data link connection.
As PWM (pulse width modulation): output of a frequency. The duty cycle (ON /
OFF) conforms to the control signal.
Error message (switchover from 0V to 10V or inversely from 10V to 0V)
F CHCK Function check: activates a monitoring function to detect various errors and critical
situations.
HQC Heat quantity counter - activate and make settings
EXT DL External sensor values from the DL bus.
Sensor type:
PT, KTY Temperature sensors. In the factory settings, all inputs are set to PT(1000).
GBS Radiant sensor GBS (can be used for the start function)
S3
25 Fixed value: e.g. 25°C (using this settable value instead off measured tempera-
ture)
S3
S1 Transfer of values. Instead of a measured value the input S3 receives its (temper-
ature) information from input S1. In addition it is possible to assign values from ex-
ternal sensors (E1 to E6).
DIG Digital input: such as when a volume flow switch is used.
OFF The sensor is not displayed on the main level
VTS Vortex sensor (electronic volume flow encoder) temperature signal
VF2 Vortex sensor (electronic volume flow encoder; contact-free measurement of the
volume flow) volume flow 2-40l/min. Only on input 3
A 5V output at the control output (r/h terminal, top pin) is available for the power supply to the
electronic volume flow encoder.
VSG Volume flow encoder (pulse encoder): Only sensor S3 to read-in the pulses from
a volume flow encoder (determination of the flow rate for the heat quantity counter)
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