4
A.4. Changes to the unit
A.5. Warranty and liability
Safety instructions
•
Changes, additions to or conversion of the unit are not permitted without written
authorisation from the manufacturer
• It is likewise forbidden to install additional components that have not been tested
together with the unit
•
If it becomes clear that safe operation of the unit is no longer possible, for example
because of damage to the housing, turn the controller off immediately
•
Any parts of the unit or accessories that are not in perfect condition must be re-
placed immediately
•
Use only original spare parts and accessories from the manufacturer
• Markings made on the unit at the factory must not be altered, removed or made
illegible
•
Only the settings described in these instructions may be used on the control-
ler
Changes to the unit can compromise the safety and function of the unit or
the entire system.
Danger
The controller has been manufactured and tested with regard to high quality and safety
requirements. The unit is subject to the statutory guarantee period of two years from
the date of sale.
The warranty and liability shall not include, however, any injury to persons or material
damage that is attributable to one or more of the following causes:
•
Failure to observe these installation and operating instructions
•
Improper installation, commissioning, maintenance and operation
•
Improper repairs
•
Unauthorised structural changes to the unit
•
Installation of additional components that have not been tested together with
the unit
•
Any damage resulting from continued use of the unit despite an obvious fault
•
Failure to use original spare parts and accessories
•
Use of the device for anything other than its intended purpose
• Operation above or below the limit values listed in the specifications
•
Force majeure
