Huawei LUNA2000-2.0MWH-1H0 - Page 120

(1) AC power
switch of the air
conditioner
(2) Fire control
panel switch,
lighting switch,
220/230 V socket
switch, and CMU
adapter switch
(3) PSU AC input
switch, DC input
switch, exhaust fan
controller switch,
and air conditioner
switch in the
control unit cabin
(4) Battery pack
fan switch and
Smart Rack
Controller switch
(5) SPD switch (6) AC main input
switch of the ESS
(7) DC circuit
breaker in the
control unit cabin
(8) Water sensor
NO TE
Switches labeled SPARE are reserved switches.
Step 1 Switch on circuit breaker 2FCB1 on the SPD (corresponding to number 5 in the
gure) and check that the SPD display window is green.
Step 2 Switch on the circuit breaker 1QA for the AC input power cable of the ESS.
(corresponding to number 6 in the
gure)
CA UTION
● After turning on the main switch, immediately check that the L1, L2, and L3
phase voltages are 220 V AC/230 V AC.
● If the phase voltage displayed on the digital display meter is 400 V or other
values, the cables between the L1, L2, L3, and N wires may be incorrectly
connected. In this case, check the cables. Do not power on devices before
checking cables. Otherwise, devices such as air conditioners may be damaged.
Step 3 Switch on the DC output circuit breakers 1Q1–6Q1 of battery racks in the Battery
Cabin.
Figure 7-5 Positions of the DC output circuit breakers of battery racks in the
battery cabin
(1) Positions of the DC output circuit breakers of battery racks in the battery cabin
LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual 7 Powering On the System
Issue 02 (2021-11-15) Copyright © Huawei Technologies Co., Ltd. 112