10
Utilization in Ac-
cordance with 
"Intended Pur-
pose"
Environmental 
Conditions
Qualified Service 
Engineers
Safety Measures 
at the Installation 
Location
When installing devices with openings for cooling air, ensure that the cooling air can enter 
and exit unhindered through the vents. Only operate the device in accordance with the de-
gree of protection shown on the rating plate.
The device is to be used exclusively for its intended purpose. 
Utilization for any other purpose, or in any other manner, shall be deemed to 
be "not in accordance with the intended purpose." The manufacturer shall not 
be liable for any damage resulting from such improper use.
Utilization in accordance with the "intended purpose" also includes 
- carefully reading and obeying all the instructions and all the safety and 
danger notices in the operating instructions
- performing all stipulated inspection and servicing work
- installation as specified in the operating instructions
The following guidelines should also be applied where relevant:
- Regulations of the utility regarding energy fed into the grid
- Instructions from the solar module manufacturer
Operation or storage of the device outside the stipulated area will be deemed 
as "not in accordance with the intended purpose." The manufacturer is not re-
sponsible for any damages resulting from unintended use.
For exact information on permitted environmental conditions, please refer to 
the "Technical data" in the operating instructions.
The servicing information contained in these operating instructions is intended 
only for the use of qualified service engineers. An electric shock can be fatal. 
Do not perform any actions other than those described in the documentation. 
This also applies to those who may be qualified.
All cables and leads must be secured, undamaged, insulated and adequately 
dimensioned. Loose connections, scorched, damaged or inadequately dimen-
sioned cables and leads must be immediately repaired by authorized person-
nel.
Maintenance and repair work must only be carried out by authorized person-
nel.
It is impossible to guarantee that externally procured parts are designed and 
manufactured to meet the demands made on them, or that they satisfy safety 
requirements. Use only original replacement parts (also applies to standard 
parts).
Do not carry out any modifications, alterations, etc. without the manufacturer's 
consent.
Components that are not in perfect condition must be changed immediately.