Electrical Connection - RCT Power Storage DC 4.0 Setup & Installation

[3] Electrical Connection

Risk of death or injury due to electric shock!
While the inverter is connected to grid (AC
voltage source), to PV array which is exposed to
sunlight (DC voltage source) or to the battery
(DC voltage source), high voltage is present in
cables and inner parts of inverter.
•
Important: All voltage sources (DC / PV-generator,
DC / battery and AC / utility grid) must be disabled
before any electrical work.
To disable PV-generator DC voltage connection turn DC
switch to 0-position and wait 10 minutes before
continuing.
To disable AC voltage connection turn off AC switch,
main breaker or fuse. Make sure, other persons don't
switch back.
Do not enable voltage connections until work is finished.
•
To disable DC battery voltage connection both voltage
sources (DC / PV-generator and AC / utility grid)
must be disabled.
•
During AC connection: Do not exchange L, N and PE
wires!
•
Make sure other persons keep away during electrical
work.
[3.1] Overview Connection Parts
Fig. 2
[3.2] AC Connection
Risk of death or injury due to electric
arc!
Disconnecting DC plugs under load can
cause electric arcs.
Risk of damage due to improper
installation and operation or misuse.
•
Contact local utility company or grid operator
before connecting inverter to grid.
•
Provide for an AC disconnection device
(typical miniature circuit breaker 3 pole 6kA,
B-characteristic 16A).
•
If required in country or installation, install a
residual-current device (RCD), or residual-
current circuit breaker (RCCB).
•
Inverter contains no owner serviceable parts.
Contact local authorized personnel for service.
•
Do not remove name plate.
•
Only RCT Power certified batteries complying
with the demands of the certain region are
allowed to be used.
Item Description
AC terminal block for L1, L2, L3, N and PE
A
phases.
Clamps for parallel DC mode.
B
Communication board.
C
RJ45 Connectors for Battery communication
D
via CAN, Power Sensor and Power Switch.
Step Description
1 Remove cover of inverter. Locate AC
terminal block (Fig. 2, A).
2 Feed cable through AC entry (Fig. 1, e).
Push down clamps to insert L1, L2, L3, N
and PE.
3 Tighten swivel nut of cable entry.
4