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INSTALLATION
Figure 2.12 Fix SMILE-B3 to the Wall Bracket
Step 7 Use a T20 screwdriver and M4*12 screws in the package to fix Smile-B3 to
the wall bracket, as shown in Figure 2.12.
WIFI
Grid-L
COM1
Grid
Grid-N
Grid-PE
Backup-PE
COM2
Backup
Backup-L
Backup-N
BAT
Battery Switch
Battery Breaker
Figure 2.13 Backup and Grid Wire Harness Wiring
Step 8 Connect Grid and Backup wire harness, as shown in Figure 2.13.
NOTE:
After the wiring harness is installed, the waterproof connector must be tightened
with a torque of 3.75 Nm±10%.
11
12
NOTE:
In Australia and New Zealand, the neutral of backup and grid circuit should be
externally connected on the neutral bar.
NOTE:
In Australia and New Zealand, the Type AC RCD could be installed on the backup
port of the system, so that the installation of inverter could fulfill AS/NZS 3000,
AS/NZS 4777.1 and AS/NZS 5033.
NOTE:
In some places like AU and NZ, the corrugated pipes will be needed. Please
remove the original gum-elastic rings and the connectors of Backup and Grid
port waterproof contact and then replace them with the M25 pipe joints and the
gum-elastic rings in parts list.
The suggested torque for the waterproof contact is 3.75 N.m±10%.
WIFI
COM1
Grid
COM2
Backup
BAT
Battery Switch
Battery Breaker
Step 9 Installing CT as shown in Figure 2.14.
NOTE:
After the wiring harness is installed, the waterproof connector must be tightened
with a torque of 5 Nm±10%.
NOTE:
CT communication wires can be connected directly through the gum-elastic ring
of the M32 waterproof contact, no need to make the on-site network line.
PV-CT
Grid-CT
Figure 2.14 CT Wire Harness Wiring
INSTALLATION
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