Location Considerations; Electrical Wiring; General - Liebert 300 series Installation, Operaton & Maintenance Manual

. SECT/Oh/ !i S Y S T E M O P T I O N S

5.1 GENERAL

Series 300 UPS including the user wiring
requirements. The options described are:
External Maintenance Bypass
Slim-Line Distribution
Remote status Panel
Remote Contact Board
RS-232 Interface Port
Modem
Battery Circuit Breaker
Contact Isolator Board
DC Ground Fault Alarm
computer Interface system
Multi-Computer Interface System
system.
5.2 OPTIONAL EXTERNAL
MAINTENANCE BYPASS CABINET
The external maintenance bypass cabinet is a
matching cabinet extension which is field
installed on the right side of the UPS module.
This cabinet includes a rotary switch to provide
a single control for transferring to and from
maintenance bypass. Input and output circuit
breakers and a shielded bypass isolation
transformer are included in specific
inches to the right side of the UPS module
depending on which configuration is chosen.
Refer to Figures 2-2, and 5-4 or 5-5.
. Cabinet Inspection: Remove all
visually inspect the physical components,
internal connections, and cabinet for any
damage. If there are signs of damage, do not
proceed. Call Liebert Customer Service and
Support at l-800-542-2378.
5.2.1 Installation

Location Considerations:

external maintenance bypass cabinet must
The
be bolted to the right side of the UPS module. It
cannot be installed separately horn the UPS
module.
Barrier Panel: The
l
installed utilizing the panel and hardware
which is supplied with the maintenance
bypass cabinet.
CAUTION
A barrier panel must be placed between
the external maintenance bypass cabinet
and the UPS module.
Service Clearance: Allow
l
times for maintenance and servicing.
bypass cabinet be installed with no less than 3
feet at the front of the cabinet. Side and rear
panels do not require service clearance.

Electrical Wiring:

WARNING
ALLPOWERCONNECTIONSMUSTBE
COMPLETBDBYALICENSED
ELECTRICIANTHATISEXPERIENCED
WIRING
ACCORDANCE WITH ALL APPLICABLE
NATIONALANDLOCALELECTRICAL
DAMAGETOTHEEQUIPMENTOR
ALLINCOMING
VOLTAGE POWER CIRCUITS ARE
DEENERGIZEDANDLOCKEDOUT
panels and
BEFOREINSTALLINGCABLESOR
CONNECTIONS.
barrier panel must be
MUST BE INSTALLED IN
LOW