5 Planning the installation
Installation and Operation Manual for RPI M50A
36
Installation and Operation Manual for RPI M50A
36
Part
Quantity
Image/Description
Open end spanner
1
The open end spanner is used to disconnect the DC cables from the
DC inputs.
For grounding the inverter housing
Cables
Typically yellow/green copper cable with minimum wire size 6 mm
2
has to be used. Always consider local regulation regarding the cable
requirements.
For wiring the communication port
Cables
Depending on which connectors you want to use (RS485, dry con-
tacts, digital inputs), you need the appropriate cables with wire size
1 mm
2
.
For using the inverter with grounded solar modules
Magnetic screw driver
1
If you need to open the cover of the fuse section, you should use a
magnetic screw driver, so that the screws cannot accidentally fall into
the inverter.
Grounding fuse
1
A grounding fuse with 1 A is needed. The fuse holder is delivered with
the inverter.
Other parts
Labels
-
Check local regulations whether you have to attach special safety
labels to the inverter.
WARNING
Dual Supply
Do not work on this equipment until it is isolated from
both mains and on site generation supplies
Isolate on-site Generating Unit(s) at ………………………………………………….
Isolate mains supply at………………………………………………………
Warning – Only persons authorised by the DNO may remove the main cut out fuse
Warning
Two sources of voltage present
- distribution network
- photovoltaic panels
Isolate both sources before
carrying out any work
