Sungrow SC1200UD-US User Manual

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figure 3-6 External Power Supply Interface
Disconnect Q3 and close Q2 for external power supply.
3.3.3 Operations on DC Load Switch&AC Circuit Breaker
• Never manually close the DC load switch&AC circuit breaker.
• Before powering on the DC side, ensure that the DC load switch&AC circuit
breaker are disconnected.
• Under the off-grid condition, ensure that the DC load switch is in the
"CHARGED SPRING" state when first starting the PCS. Otherwise, perform
manual charging operation first.
The PCS is equipped with an electronically controlled DC load switch&AC circuit breaker, as
shown in the figure below.
3 Product Description User Manual

Sungrow SC1200UD-US Specifications

General

Brand	Sungrow
Model	SC1200UD-US
Category	Industrial Equipment
Language	English