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6.8 COMMISSIONING
Starting the commissioning help guides you in the correct order through the basic settings necessary for commissioning, and provides brief descrip-
tions of each parameter in the display.
Pressing the “esc” key takes you back to the previous value so you can look at the selected setting again or adjust it if desired. Pressing the “esc”
more than once takes you back to the selection mode, thus cancelling the commissioning help.
CAUTION
May only be started by a specialist during commissioning! Observe the explanations for the the individual parameters in these
instructions, and check whether further settings are necessary for your application.
6.9 FACTORY SETTINGS
All of the settings that have been made can be reset, thus returning the controller to its delivery state.
CAUTION
The entire parametrisation, analyses, etc. of the controller will be lost irrevocably. The controller must then be commissioned
once again.
6.10 START AID FUNCTION
With some solar systems, especially with vacuum tube collectors, it may occur that the measurement value acquisition at the collector sensor oc-
curs too slowly or too inaccurately because the sensor is often not at the hottest location. When the start help is activated the following sequence is
carried out:
If the temperature at the collector sensor increases by the value specified under “Increase” within one minute, then the solar pump is switched on
for the set “Purging time” so that the medium to be measured can be moved to the collector sensor. If this still does not result in a normal switch-
on condition, then the start help function is subject to a 5-minute lockout time.
Start help setting range: on, off/default setting: off
Purging time setting range: 2 ... 30 sec./default setting: 5 sec.
Increase setting range: 1°C (33°F)....10°C (50°F)/default setting: 3°C(37°F)/min.
CAUTION
This function should only be activated by a specialist if problems arise with acquisition of measurement values. In particular fol-
low the instructions from the collector manufacturer.
6.11 TIME AND DATE
This menu is used to set the current time and date.
CAUTION
For analysis of the system data it is essential for the time to be set accurately on the controller. Please note that the clock does
not continue to run if the mains voltage is interrupted, and must therefore be reset.
