15
4
PCS Start/Stop
4.1
Operations on DC Load Switch
•
Never manually close the DC load switch.
•
Before powering on the DC side, ensure that the DC load switch is
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, as shown in the
figure below.
F
Fiig
gu
urre
e 4
4--1
1 DC load switch
IItte
em
m
N
Na
am
me
e
D
De
essc
crriip
pttiio
on
n
A
Manual charging
handle
When the load switch is in "DISCHARGE" state,
rotate this handle to charge it.
B
Status indicator (-
energy storage)
"CHARGED" indicates energy storage; and "-
DISCHARGE" indicates no energy storage.
C
Status indicator (load
switch)
Statues of the load switch (OPEN/CLOSED)
D
Close button
Press this button to close the load switch.
E
Open button
Press this button to open the load switch.
Operation description of the load switch: