SUN2000 (8KTL-28KTL)
User Manual
Copyright © Huawei Technologies Co., Ltd.
Figure 5-23 Positive and negative connectors
After the positive and negative connectors are in position, the space between the DC
terminals and connectors should be less than or equal to 0.8 mm.
Reserve a margin of more than 0.5 meter for the cable at the DC input power cable
connector to reduce the cable terminal disconnection due to external force.
If the DC input power cables are reversely connected and the DC SWITCH is ON, do not
turn off the DC SWITCH immediately. Otherwise, the inverter may be damaged and the
damage is beyond the warranty scope. Wait until the PV string voltage reduces to the
safety range (below 60 V DC). Then, turn off the DC SWITCH, remove the positive and
negative connectors, and rectify the connection.
----End
Follow-up Procedure
To remove the positive and negative connectors from the SUN2000, insert a removal wrench
into the bayonet lock and apply an appropriate force, as shown in Figure 5-24.
Before removing the positive and negative connectors, ensure that the DC SWITCH is OFF.
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