Huawei SUN2000-75KTL Series User Manual page 30

SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series
User Manual
(9) DC switch 3 (DC SWITCH 3)
(11) USB port
(13) Hole for the AC output power cable
Figure 2-8 Port description (automatic DC switch)
(1) DC input terminal group 1 (PV1–PV8,
controlled by DC SWITCH 1)
(3) DC switch 1 (DC SWITCH 1)
(5) DC input terminal group 2 (PV9–PV14,
controlled by DC SWITCH 2)
(7) DC switch 2 (DC SWITCH 2)
(9) DC input terminal group 3 (PV15–PV20,
controlled by DC SWITCH 3)
(11) DC switch 3 (DC SWITCH 3)
(13) Ventilation valve
(15) Communications port (COM)
(17) Hole for the tracking system power cable -
DC Switch Description
The DC switches automatically turn off when a fault occurs in the inverters (LED4
is steady red, and the three DC switches are OFF). In this case, contact your
technical support. Do not turn on the DC switches by yourself.
Table 2-2 DC switch description
Switch
Component
DC SWITCH
Issue 15 (2023-01-31)
D ANGER
Description
ON
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(10) Ventilation valve
(12) Communications port (COM)
(14) Hole for the tracking system power cable
(2) (Optional) Screw hole for DC switch 1
(4) Reset button 1 (RESET 1)
(6) (Optional) Screw hole for DC switch 2
(8) Reset button 2 (RESET 2)
(10) (Optional) Screw hole for DC switch 3
(12) Reset button 3 (RESET 3)
(14) USB port
(16) Hole for the AC output power cable
The DC switch is ON and can automatically turn off
for protection.
2 Overview
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