13
WARNING! Wrong connections will damage the unit permanently.
Step 4: Make sure the wires are securely connected. The reference tightening torque is
5.5~7.0 N.m.
WARNING! It's very important for system safety and efficient operation to use
appropriate cable for battery connection. To reduce risk of injury, please use the proper
recommended cable size as below.
Nominal Battery Voltage
48V
Conductor cross-section (mm
2
)
85
AWG no.
3/0
Protective earthing (battery side)
150mm
2
(300kcmil)
9.
Load (AC Output) Connection
8-1. Preparation
CAUTION: To prevent further supply to the load via the inverter during any mode of
operation, an additional disconnection device should be placed on in the building wiring
installation.
WARNING! It's very important for system safety and efficient operation to use
appropriate cable for AC connection. To reduce risk of injury, please use the proper
recommended cable size as below.
Nominal Grid Voltage
120/208/240 VAC per phase
Conductor cross-section (mm
2
)
5.5-10
AWG no.
10-8
8-2. Connecting to the AC output
Step 1: Before making output connection, be sure to open DC protector or disconnector
first.
Step 2: Remove insulation sleeve 7mm for four conductors.
Step 3:
Insert AC input wires according to polarities indicated on terminal block and
tighten the terminal screws. Be sure to connect PE protective conductor (
) first.
→
Ground (yellow-green)
L1
→
LINE (black)
L2
→
LINE (brown)
N
→
Neutral (blue)
