During DC input power cabling, leave at least 50 mm of slack. The axial tension
on PV connectors must not exceed 80 N. Radial stress or torque must not be
generated on PV connectors.
If a DC input power cable is reversely connected and the DC SWITCH is set to ON,
do not immediately operate on the DC SWITCH or the positive/negative
connectors. Otherwise, the device may be damaged. The resulting device damage
is not covered by the product warranty. Wait until the night when solar irradiance
declines and the PV string current drops to below 0.5 A. Then set the DC SWITCH
to OFF, remove the positive and negative connectors, and correct the polarities of
the DC input power cable.
Figure 5-10 Connecting DC input power cables
----End
Removing DC Connectors
Before removing the positive and negative connectors, ensure that the DC SWITCH
is set to OFF.
SUN2000-(5K-12K)-MAP0 Series
User Manual 5 Electrical Connections
Issue 01 (2024-05-13) Copyright © Huawei Digital Power Technologies Co., Ltd. 53
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