www.enersys.com Publication No. US-RE-IOM-002 January 2012 Page 13
Table 5.1 (continued)
CONSIDERATION RECOMMENDATION
Ventilation Adequate ventilation must be provided, so as to prevent hydrogen gas
from exceeding a 2% concentration as shown in IEEE 484-1987.
Hydrogen accumulation must be limited to less than 2% of the total
volume of the battery area.
Ventilation must be adequate to ensure that pockets of trapped
hydrogen gas do not develop, particularly at the ceiling.
See Appendix for additional information
Grounding It is recommended that the steel trays be grounded in accordance with
NEC and/or local codes.
Codes Building codes and fire codes may require a spill containment system
for battery installations. Please consult local building codes. EnerSys
®
offers spill containment systems. Contact your EnerSys sales/service
representative for more information.
Floor Reasonably level. Shim up to 1/4 inch (6 mm) maximum to level battery
front to rear and side to side. Capable of supporting the weight of the
battery as well as any auxiliary equipment.
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