Sungrow COM100E - 6.2 Internal Structure; 6.3 Cable Connection Preparation

6 Electrical Connection User Manual
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6.2 Internal Structure
The internal structure of the COM100 is shown in the following figure.
F
D
AE BC
G
Item
Description
A
Logger1000A or Logger1000B
B
Switch-mode power supply and surge protection device, 24Vdc power
supply
C
Micro circuit breaker, used to connect/disconnect the external 220Vac
power supply
D
Lighting device, turn on the light before opening the front cover of the
cabinet for ease of night maintenance
E
Antenna
F
Cable tie buckle, used for binding cables
G
Grounding terminal
6.3 Preparation Before Cable Connection
Step 1 Release the 4 screws on the front side of the COM100 and open the
front cover of the cabinet, as shown in the figure below.
Step 2 Turn the internal power switch of the COM100 to the "OFF" position to
ensure the COM100 is voltage-free.