Growatt New Energy.CO.LTD
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35
4.4.4 AC side wiring
Caution, risk of danger
CAUTION!
When connecting the AC grid, cut off the circuit breaker at the AC side to ensure that the AC wire
connecting to terminals has no electricity.
AC side of the inverter and the grid side wiring method is as follows：
Step 1：
Disconnect the grid side disconnect switch, disconnect the inverter AC open
space, with a multimeter measurements confirm that the terminal block power outage.
Step 2
：Make sure the AC connection cable order
Step 3：
Stripped end of the cable insulation
Step 4：
Crimp the copper nose.
1.
The of stripping good thread bare copper conductor part on the wiring copper
nose pressure line hole
2.
The wiring copper nose pressed Crimping Machine, crimping the number should
be in the more than two
Step 5：
Install heat shrink tubing
1.
Select cable size is more in line with the heat shrink tubing, choose the
length of about 5cm
2.
Heat shrinkable sleeve over in the Wiring copper nose, to completely cover
the wiring copper nose pressure line hole fit
3.
With a hot hair dryer to heat shrink tubing tightening
Step 6：
Selection and wiring copper nose meets the screw connection with the grid
side wiring
1. The AC output of the "U" is connected to the grid "L1"；
2. The "V" of the AC output is connected to the grid "L2"；
3. The "W" of the AC output is connected to the grid "L3"；
