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Installation and Operation Manual for RPI M6A M8A M10A inverters V1.0 2016-02-03
6 Installation
6. Installation
6.1 Safety instructions
DANGER
Risk of death by electrocution
Potentially fatal voltage is applied to the inverter
during operation. This potentially fatal voltage is
still present for some time after all power sources
have been disconnected.
► Never open the inverter.
► Always disconnect the inverter from power
before installation, open the AC/DC Discon-
nection switch and make sure neither can be
accidentally reconnected.
► Wait 30 seconds until the capacitors have
discharged.
DANGER
Risk of death or serious injury from electro-
cution
Potentially fatal voltage may be applied to the
DC connections of the inverter. When light is fall-
ing on solar modules, they immediately start pro-
ducing energy. They do so, even when the sun is
not shining directly onto the solar modules.
► Never disconnect the solar modules when the
inverter is powered.
► First switch off the grid connection so that the
inverter cannot feed energy into the grid.
► Turn the AC/DC Disconnection switch to posi-
tion OFF.
► Make sure the DC connections cannot be
accidentally touched.
WARNING
Heavy weight
The inverter weighs about 49 kg.
► The inverter must be lifted and carried by at
least two people or with an appropriate lifting
equipment.
Read chapter “5. Planning the installation”,
p. 19 and this chapter before you start instal-
lation.
Never open the housing of the inverter. Opening
the inverter will void the warranty.
6.2 Overview
If you need to wire dry contacts, digital inputs
or RS485, it is recommended to do this in a dry
environment and before you hang the inverter
onto the wall.
Reasons for this are:
► You will have to remove the covers from the
connection ports. Water could leak into the
inverter.
► The terminal blocks inside are not easily ac-
cessible.
It is recommended to do the installation steps in the following
order:
1. Wire RS485
2. Wire dry contacts, digital inputs and EPO (all optional)
3. Mount the inverter to the wall
4. Ground the inverter housing
5. Connect AC plug
6. Connect DC plugs
The terminals for dry contacts, digital inputs and EPO are all on
the communication card.
If you want to use the 12 V
DC
supply power of the RS485 card
and the dry contacts to connect an external alarm device, you
have to combine step 1 and 2.
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