Eaton Powerware 3G System SC200 Installation And Operation Manual page 17

Batteries
•
The plastic cases of batteries installed in Powerware DC power system racks must have a
flammability rating of UL 94-V2 or better.
•
Flooded cell lead acid batteries must be installed in a battery room. Do not install flooded lead
acid batteries in a Powerware DC power system rack.
•
Flooded cell and VRLA lead acid batteries can emit explosive gases and must be installed with
adequate ventilation. Refer to the battery manufacturer or supplier for advice on minimum
ventilation levels.
•
Do not wear a synthetic dust-coat or overalls. Synthetic fabrics can hold static electric charge that
create sparks during discharge.
•
Remove rings, wristwatch and other metal jewelry that might be exposed to battery terminals,
before installing batteries.
•
Batteries are powerful sources of energy and present a potential electrical shock and energy
hazard. The energy hazard is always present, even if the batteries are not connected. Avoid short
circuiting terminals of opposite polarity.
•
Always use insulated tools.
•
Do not place tools, loose cables or metal objects (such as interconnecting bars) on top of batteries.
•
Do not drop tools, loose cables or metal objects onto intercell connections or terminals of
opposite polarity.
•
Only terminate cables and interconnecting bars after confirming that the termination will not
create a short circuit.
•
Always tighten battery terminal bolts according to the battery manufacturer's specification.
Failing to do so can cause erratic battery performance, possible damage to the battery, and/or
personal injury.
•
There is a risk of electric shock if a battery is replaced by an incorrect type.
•
Dispose of batteries according to the instructions on page 56.
Rectifiers
•
Do not install the rectifiers until the room has been cleaned and is dust free.
•
To reduce the risk of electric shock and maintain optimum system cooling, always cover empty
rectifier slots with blanking panels.
•
To avoid electrical shock, do not place hands inside the rectifier magazine.
•
Rectifier cases may exceed 100ºC (212ºF), especially after prolonged operation. Use suitable
gloves when removing a rectifier from the magazine.
•
Do not attempt to disassemble faulty rectifiers. Return them (in their original packaging) with a
copy of the Equipment Incident Report on page 91.
•
Ensure that any upstream Residual Current Devices (RCDs) are appropriately rated for the
rectifiers' maximum earth leakage current (see Specifications on page 59 for value).
DC Distribution(s)
•
The DC Common of the DC power system can be connected to earth (ground). If this connection
is made all of the following conditions must be met:
•
Your equipment and the DC power system must be located within the same premises.
•
No switching or disconnecting devices are allowed in the conductor between the DC
common line and the point of connection to the earth electrode conductor.
Refer to Connecting the DC Output to Earth on page 20 for further information.
•
Follow all applicable local and national rules and regulations when making field connections.
•
Tighten all electrical connections to the torques stated in this guide or on the manufacturer's
label.
Copyright © 2005-2007 Eaton Corporation. All Rights Reserved.
IPN 997-00012-54A July 2007
Preparation
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