.21.
NOTE:
Solis three phase inverters integrate neutral connectioin point. However, with or
without neutral connected won’t affect the normal operation of inverter itself.
Please refer to the local grid requirement if need neutral cable connected.
The ground wire can be connected to the grounding hole on the right side of
the inverter heat sink.
C) R
emove
the 4 screws on the AC terminal cover and remove the cover (in figure 5.18).
R
emove
the screw under terminal slide and pull out the terminal ( in figure 5.19).
Figure 5.18 Cover
Cable specification
Copper clad aluminum /
Aluminum Alloy cable
25
22~32
27
Copper-cored
cable
Cable outer diameter
(mm
)
Traverse cross
sectional area
(
mm
)
2
R
ange
Recommended
35
16~35
25~35
NOTE:
Prepare M6 OT terminals.
A) Strip the end of AC cable insulating jacket about 90mm then strip the end of each wire .
The steps to assemble the AC grid terminals are listed as follows:
For all AC connections, 16- 35mm 105
℃
cable is
accept
to be used.
2
Please make sure the resistance of cable is lower than 1.5 ohm. If the wire is longer than
20m, it's recommended to use 25-35mm
²
cable. Refer to local electrical codes for wire sizing.
5.3.3 AC side connection
R
ange
Recommended
Figure 5.17 Strip AC cable
L2 (insulation stripping length) is 2mm-3mm longer than L1 (OT cable terminal
crimping area)
5.
Installation
5.
Installation
B) Strip the insulation of the wire core, insert into the cable crimping area of the OT terminal,
then use a hydraulic crimp tool to crimp it firmly. The wire must be covered with heat shrinkable
tube or insulating tape . When using the heat shrinkable tube sleeve the heat shrinkable
tube over the wire before crimping the OT terminal.
D) Insert the cable through cap nut, water proof
bushing
and AC terminal cover into the AC
terminal and use a socket
wrench to tight the screws. The torque is 4-6Nm ( as shown in
figure 5.20).
Figure 5.19 Disassemble AC terminal cover
Figure 5.20a Connect cable to AC terminal
.20.
L2
L1
PE
N
L
｝
NOTE:
