Installation
32
Powerware
®
9125 User’s Guide (2500–3000 VA) : Rev B www.powerware.com
Hardwired UPS Installation
WARNING
Only qualified service personnel (such as a licensed electrician) shall perform the
electrical installation. Risk of electrical shock.
CAUTION
: For UPS models with hardwired outputs, overcurrent protection for the output AC
circuit(s) is to be provided by others.
: For UPS models with hardwired outputs, suitably rated disconnect switches for the
output AC circuit(s) are to be provided by others.
The Powerware 9125 requires a dedicated branch circuit that meets the
following requirements:
:
16A, 2-pole circuit breaker for EH models/20A, 2-pole circuit breaker
for EUH models to provide short circuit and overcurrent protection
:
The protection device requires a two-pole disconnection device
between the UPS output and the load
:
The breaker must be wall-mounted within six feet of the UPS and be
readily accessible to the operator
:
For Europe, the breaker must be approved by the appropriate safety
agency (such as TÜV or VDE) and have a contact air gap of at least
3mm
:
200–240 Vac
:
Single-phase
:
50/60 Hz
:
Flexible metal conduit is recommended for ease of service and
maintenance
To hardwire the UPS:
1. If you are installing power management software, connect your
computer to the UPS communication port using the supplied
communication cable.
2. Switch off utility power at the distribution point where the UPS
will be connected. Be absolutely sure there is no power.
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