No. Board/
Module
Manda
tory/
Option
al
Quantity
Congured for
an ESS
Description
6 Fuse Manda
tory
● LUNA2000-2.0
MWH-1H0: 12
● LUNA2000-2.0
MWH-2H0: 6
Provides short-circuit
protection.
7 Black start
button
Manda
tory
6 Used for black start of the
ESS.
8 Light Manda
tory
6 Used to illuminate the
interior of the control unit
cabin.
9 Airow fan Manda
tory
10 Facilitates the exhaust
fans.
10 Water
sensor
Manda
tory
1 Detects water based on
the resistance change
between both electrodes.
 
Figure 2-14 
Conguration of the air intake and exhaust modules in the battery
cabin
Table 2-5 Components in the battery cabin
No.
Board/
Module
Manda
tory/
Option
al
Quantity
Congure
d for an
ESS
Description
1 Air intake
module
Manda
tory
2 Consists of the labyrinth and air
lter foam.
LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual 2 Overview
Issue 02 (2021-11-15) Copyright © Huawei Technologies Co., Ltd. 25