MITSUBISHI ELECTRIC 9900CX SERIES UPS
9900CX SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
1-2
1.1 SAFETY PRECAUTIONS
In order to maintain safety and perform start-up and maintenance of the UPS system
successfully, certified service personnel familiar with the operation of this equipment must
be involved. The following safety practices should always be followed.
PRECAUTIONS DURING INSTALLATION
CAUTION
Do not block the ventilation ports. The ventilation ports should be arranged so that walls or
ceilings do not block ventilation. (Maintenance spaces described in the catalogue or external
drawings should be followed.)
If a ventilation port is blocked, the internal temperature of the UPS will rise, and consequently,
a fire may be caused due to liquid leakage from batteries, short-circuits, or parts deterioration.
PRECAUTIONS FOR WIRING
CAUTION
Ask professional agents for wiring work. Inappropriate wiring work may cause electric
shocks, injuries, or fire.
PRECAUTIONS TO PROFESSIONAL AGENTS
CAUTION
Use wiring conduit, pits or racks for input/output wiring. Inadvertent wiring may cause
injuries.
Use terminals for connection to the input/output terminals. Inadvertent connection may
cause electric shocks.
Do not drop dust or any other thing from the fan hole.
PRECAUTIONS FOR UPS OR UPS PARTS DISPOSAL
CAUTION
Since the UPS contain special industrial waste, such as capacitors, insulators or batteries,
they cannot be disposed of like other general waste. Please check the disposal guideline of
your district, contact the specialized contractor for disposal.
WARNING 2
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