Growatt Backup box - Installation; Electrical Connection

5
6
5.3 Installation
The dimension of Backup box is shown below:
230
235
260
5.3.1 Mounting on the wall
In order to avoid electrical shock or other injury, inspect existing
electronic or plumbing installations before drilling holes.
WARNING
Mounting Backup box
5.4 Electrical Connection
5.4.1 Safety
Danger to life due to lethal voltages!
High voltages which may cause electric shocks are present in the
conductive parts of the unit. Prior to performing any work on the
energy storage system, disconnect the energy storage system on
the AC and DC sides.
Grounding
Before connecting the power cables, you much connect the ground
wire.
Use only solid or stranded wire but not fine stranded wire.
Use cables with high ambient temperatures.
Use cables with a large cross-section.
WARNING
NOTE
5.4.2 The AC wiring
Backup box port is shown below:
Port
Description
Conductor size
Grid
Connect Electrical Grid
8-10 AWG
INV
Connect Min2500-6000TL-XH AC Output port
8-10 AWG
EPS
Connect EPS load
8-10 AWG
Rs485
Connect Min2500-6000TL-XH SYS COM port
24-16 AWG