8
USER MANUAL
SAFETY
2 Safety
CAUTION
Generic danger - Important safety
information.
WARNING
Dangerous voltage. All precautions and pro-
tections against high voltage electric shock
should be taken.
HOT
SURFACE
Danger of burns, do not touch product.
WARNING
Letrika inverters must be installed only by
technically qualified personal.
WARNING
All electrical installations must be performed
in accordance with local and national electrical
standards and codes.
WARNING
Do not connect wet connectors. Connectors must
be dry before any attempt to connect them.
WARNING
Do not cut, bend or modify original connectors
and/or cables supplied with inverters.
WARNING
Lightning protection must be placed on each
inverters branch. Avoid wiring loops or rings.
Keep cable paths short as possible.
WARNING
Inverter and all metal components must be
grounded according to local standards.
2.1 Symbols legend used in this manual and/or equipment
2.2 Safety and general warnings
WARNING
Inverter PV side is galvanically separated from
dangerous voltages; however do not attempt
to disconnect PC cables from inverter during
operation.
WARNING
Always mount grid disconnection switch be-
tween micro inverter installation and grid.
WARNING
There are no user serviceable parts inside
Letrika micro inverter. It is strictly forbidden
any intervention on micro inverter internal
structure.
CAUTION
In case of fault on PV installation with Letrika
micro inverters, do not attempt disconnect PV
or grid cables from inverters or junction boxes
until qualified personal checks the installation.
HOT
SURFACE
Metal surface of Letrika micro inverters can reach
more than 70 degrees in operation. To reduce
risk of burns do not touch the inverter while in
operation. After switching off micro inverter wait
at least 10 minutes before touching it.
Manual shall be consulted that must be
available for future use and not damaged.
Connection to ground protection.
Note. Please read paragraph marked with
this icon carefully.
