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4
Verifying Installation
No.
Acceptance Criteria
1
The SUN2000 is installed correctly and securely.
2
Cables are routed properly as required by the customer.
3
The Smart Dongle is installed correctly and securely.
4
Cable ties are evenly distributed and no burr exists.
5
The PE cable is connected correctly, securely, and reliably.
6
The DC switch and all the switches connected to the SUN2000 are set to the OFF position.
The AC output power cable, DC input power cable, and signal cable are connected correctly,
7
securely, and reliably.
8
Unused terminals and ports are locked by watertight caps.
9
The installation space is proper, and the installation environment is clean and tidy.
5
Powering On the System
Before turning on the AC switch between the SUN2000 and the power grid, check that the AC
voltage is within the specified range using a multimeter.
1. Turn on the AC switch between the SUN2000 and the power grid.
2. Turn on the DC switch between the PV string and the SUN2000 if there is any.
3. Turn on the DC switch at the bottom of the SUN2000.
4. Observe the LED indicators to check the SUN2000 operating status.
Blinking at Long Intervals: On for 1s and then Off for 1s; Blinking at Short Intervals: On for 0.2s
and then Off for 0.2s.
Category
Status
Running
indicator
Steady green
Blinking green at
long intervals
Blinking green at
long intervals
Off
Off
Blinking red at
short intervals
N/A
Steady red
Meaning
N/A
Steady green
The SUN2000 is operating in grid-tied mode.
Off
The DC is on and the AC is off.
Blinking green at
The DC is on, the AC is on, and the SUN2000 is
long intervals
not exporting power to the power grid.
Blinking green at
DC is off and AC is on.
long intervals
DC and AC are both off.
Off
N/A
DC environmental alarm
Blinking red at
AC environmental alarm
short intervals
Steady red
Faulty
17
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