● The ESS dedicated-use building or structure shall be equipped with room-level
ammable gas detection devices. Rooms containing the ESS shall be
protected by an approved continuous gas detection system that complies with
the following:
– The gas detection system shall be designed to activate the mechanical
exhaust ventilation system when the level of ammable gas detected in
the rooms exceeds 25% of the LFL.
– The mechanical exhaust ventilation system shall remain on until the
ammable gas detected is less than 25% of the LFL.
– The gas detection system shall be provided with a minimum of 2 hours of
standby power.
– Failure of the gas detection system shall annunciate a trouble signal at
the monitoring center.
● The ESS dedicated-use building or structure shall be equipped with re
suppression facilities such as water spray or sprinkler systems. The water
stored shall be able to supply for more than 2 hours at the designed water
ow rate and the surrounding water source shall be able to supply water
continuously for 12 hours to cope with the risk of reignition or re spreading
after a battery re is extinguished. The water spray or sprinkler systems shall
be designed using a minimum density of 0.3 gpm/ft
2
(12.2 mm/min) based
over the area of the room or 2500 ft
2
(230 m
2
) design area, whichever is
smaller.
● The ESS dedicated-use building or structure shall be equipped with pressure
relief explosion-proof devices or pressure relief channels (such as glass
windows and magnetic lock doors) with equivalent areas. According to the
NFPA 68 standard, if side pressure relief is adopted, a protective fence or wall
shall be installed outside the pressure relief channels, and the fence or wall
shall be at least 3 m away from the pressure relief wall.
● The ambient temperature inside the building where the ESS is located shall be
lower than 55°C when the ESS is running.
● The indoor ceiling height of the building or structure shall be at least 4.5 m. A
minimum of 2 m clearance above the ESS shall be reserved for pressure relief
and no ammable materials shall be placed above the ESS.
● Maintenance clearances:
– The entrance and exit doors shall meet the clearance requirements for
installing the ESS using a forklift.
– The indoor area of the building shall meet the clearance requirements for
the ESS maintenance and forklift operations.
● Exits and aisles:
– Safety exits and aisles shall be set for all areas containing the ESS in
accordance with the local building code.
– Emergency lighting shall be provided for all exit doors and aisles in
accordance with the local building code.
– All exit doors shall be opened toward the exit direction.
● Exemption conditions:
– The preceding installation requirements shall be in line with the
requirements approved by the local re department. On the premise that
the re department approval is obtained, the requirements on water
LUNA2000-(97KWH-1H1, 129KWH-2H1,
161KWH-2H1, 200KWH-2H1) Smart String ESS
User Manual 5 Site Requirements
Issue 10 (2023-11-07) Copyright © Huawei Digital Power Technologies Co., Ltd. 71
To Next Page
Loading...