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WARNING: The switch function does not relate directly to the allocated output, rather only to its
function in the program diagram, in which respect a possible priority allocation is not considered.If the
output is to be affected by special functions (e.g. time window, collector excess temperature limitation
etc.) this is to be especially allowed for when assigning outputs.
Automatic / manual mode
O AUTO
The three outputs are set to automatic mode and can be set to manual mode for test
purposes (O ON, O OFF). To indicate manual mode a flashing hand symbol appears below the
text line. An active output (pump is running) is indicated when a number (LED) appears next to the
display. (ex works = AUTO)
Settings:
Output number
Automatic mode
Status display
The stats display offers information in special system situations and when problems occur. In solar
applications, there a three status ranges:
Function check and collector excess temperature not active = no system response is analysed.
Only a bar appears in the display under
Collector excess temperature is active = the excess temperature that occurs at the collector
during system standstill only displays CETOFF (collector excess temperature cut-off active) under
Status during this time.
Function check is active = monitoring for interruptions (IR) / short circuits (SC) of sensors and
circulation problems (if also activated). If the output is active and the differential temperature between
the sensors is greater than 60K for more than 30 minutes, the error message CIRERR (circulation
error) is issued. The index in the lower display line shows the output where a circulation error has
occurred. Error messages remain displayed (and
disappeared; they have to be deleted in the status menu via the command CLEAR.
Legionella protection function is active = During the runtime RT "LEGION" is displayed under
Status.
Drain-back function with low water protection is active = in the event of low water
ERR is displayed and the solar pump switched off. A reset is only possible if the controller is switched
off and on.
30
AUTO the output switches according to the program diagram
OFF the output switches off
ON the output switches on
NOTICE:
If the output is manually switched ON or OFF, the program
diagram / other functions (such as antifreeze, start function,
etc.) do not affect the output.
Manual OFF
Status
Status.
Manual ON
Status blinks) even after the error has
Status DB
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