Changes to the Unit
l Changes, additions to or conversion of the unit are not permitted without written permission from the man-
ufacturer.
l It is likewise forbidden to install additional components that have not been tested together with the unit.
l If it becomes clear that safe operation of the unit is no longer possible, for example because of damage to the
housing, turn the Unit off immediately.
l Any parts of the unit or accessories that are not in perfect condition must be exchanged immediately.
l Use only original spare parts and accessories from the manufacturer.
l Markings made on the unit at the factory must not be altered, removed or made illegible.
l Only the settings described in these instructions may be set using the Unit.
Changes to the unit can compromise the safety and function of the unit or the entire system.
Warranty and Liability
The unit has been manufactured and tested with regard to high quality and safety requirements. The unit is subject to the stat-
utory guarantee period of two years from the date of sale. The warranty and liability shall not include, however, any injury to per-
sons or material damage that is attributable to one or more of the following causes:
l Failure to observe these installation and operating instructions.
l Improper installation, commissioning, maintenance and operation.
l Improperly executed repairs.
l Unauthorized structural changes to the unit.
l Use of the device for other than its intended purpose.
l Operation above or below the limit values listed in the ‚Specifications‘ section.
l Force majeure.
Disposal and Pollutants
The unit conforms to the European RoHS 2011/65/EU for the restriction of the use of certain hazardous substances in electrical
and electronic equipment.
Under no circumstances may the device be disposed of with the normal household waste. Dispose of the unit only at
appropriate collection points or ship it back to the seller or manufacturer.
Description LTDC
About the Controller
The Solar multi-circuit controller LTDC facilitates efficient use and function control of your solar or heating system possible while
its handling is intuitive. After every input step the suitable functions are matched to the keys and explained in a text above. In the
menu 'measurement values and settings' are help text and graphics in addition to key words.
The LTDC can be used for the various system variants.
Important characteristics of the LTDC are:
l Depiction of graphics and texts using a lit display.
l Simple viewing of the current measurement values.
l Statistics and system monitoring by means of statistical graphics
l Extensive setting menus with explanations.
l Menu block can be activated to prevent unintentional setting changes.
l Resetting to previously selected values or factory settings.
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