Shenzhen GT Powertank Co., Ltd.
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22.If the GL48100 system works
fine, please install the
handle covers on both sides.
The GL48100 installation is
done.
23.Additional info.
Wire the GL48100 to ground
The bottom port (in right
circles) is designed for ground
connection.
The electrician will decide
whether connect GL48100 to
the ground or not according to
the installation needs.
The ground cable is not included
in GL48100’s package.
20.Confirmation
1)Make sure all power cables are
connected in the right order
(step12-2).
2)Make sure the inverter’s power
cable size and battery connector
size is correct, refer to step 12-3.
3)Make sure the screws in the DC
junction box are tightened. Please
refer to step 15-2.
4)Make sure the parallel
communication cables are
connected to the correct port
and a proper communication
protocol is chosen.
5)Make sure all address switches
on all GL48100 are configured
correctly. Please refer to step 18.
6)Make sure the communication
cable between the master
GL48100 and the inverter works
fine. Please refer to the cable
connection guide one left.
* Please refer to appendix 1
to see how to wire multiple
GL48100s.
21.The inverter settings & system trial operation test
Now all three GL48100s are wired with the inverter’s power and communication cables. Do not connect unitality grid AC
input into this system.
1)Please refer to the GL48100 user manual to configure the discharging/charging parameters on the inverter.
2)Turn on GL48100 in the following order
a. Turn on the circuit breaker on all GL48100.
b. Turn on the Master GL48100’s power button.
c. Turn on the rest of GL48100’s power button if everything works fine.
3)Connect the loads one by one to check the running status.
a. Check GL48100’s status on its inverter, (e.g., battery quantity, charging/ discharging current/ voltage request value,
SOC, fault state). A technician can use an upper computer to monitor the GL48100’s status if he/she is authorized by
Shenzhen GT Powertank Co., ltd.
b. Confirm there is no abnormal phenomenon during GL48100 charging/discharging process.
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