3.3 Ventilation
Because the LM/
LMOPT Series uses a maintenance-free sealed valve regulated
lead acid (VRLA) battery, no special ventilation is required. Spaces normally
occupied by humans with either natural or forced ventilation allowing at least 1 to
2 air exchanges per hour is recommended. Choose a mounting location that is
clean and dust free. Do not install in areas where there is particulate or high
pollution degree from heavy industrial machinery, corrosive chemicals or welding
or plasma cutting environments etc.
3.4 Clearance
Air ventilation is through the front surface so there are no clearance
requirements for the top, back or sides of the cabinet. However, the NEC code
does require an unobstructed 3 ft. of clearance in front of the cabinet (i.e.
electrical panels).
3.5 Floor Preparation
The mounting floor should be smooth and level so that the cabinet is not skewed
or twisted which would prevent the systems front door from being easily removed.
Final system leveling should be accomplished by shimming the cabinets corners so
that the front door can easily be removed for service. Floor mounting holes are
provided in the cabinet’s base and will accommodate up to a 3/8” mounting bolt.
All 4 mounting holes should be secured with bolts due to the weights of the
cabinet(s) and associated batteries. We recommend concrete wedge anchors such
as the Hilti brand Wedge Anchor series Kwik Bolt TZ or equivalent.
3.6 Cabinet Configurations
There are 3 cabinet sizes/configurations for the Multi-Phase Modular Series.
Electrical Knock Outs (EKO’s) are provided on three surfaces. Ensure all metal
conduit is secured and tightened creating a good connection to earth ground. Use
an Ohm-Meter to check that continuity between conduit and protective earth
ground has been established.
Seismic bracing is available for the LM/LMOPT Series. Please see Evenlite.com for
details of seismic dimensions and configurations.
Note – Cabinet sizes and construction may change due to optional features such
as mixed voltages which require Isolation Transformers and/or Auto-
Transformers.
All systems are shipped with a Contractors Guide for each model. This should be
referred to in the installation process since there may be more details available.
WARNING – Drilling into cabinet may void warranty if metal filings causes unit
failure.
LM/LMOPT SERIES | 7
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