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Powerware
®
9125 Two-in-One (5000/6000 VA) PDM User’s Guide S Rev B www.powerware.com
Chapter 1 Introduction
The PowerPass
®
Distribution Module (PDM) is designed to operate with a
5000/6000 VA Powerware
®
9125 uninterruptible power system (UPS). The
PDM allows you to:
Ī Replace or upgrade the UPS without losing power to the protected
equipment (see “Using Maintenance Bypass” on page 35).
Ī Provide surge protection if the UPS is not present.
Ī Provide extra surge protection when the UPS is present.
Safety Warnings
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This manual contains important instructions that you should follow during
installation and maintenance of the UPS. Please read all instructions before
operating the equipment and save this manual for future reference.
CAUTION
Ī There are NO USER SERVICEABLE PARTS inside the UPS. All repairs and
service should be p erformed by AUTHORIZED SERVICE PERSONNEL ONLY.
Ī To reduce the risk of fire or electric shock, install this UPS in a temperature
and humidity controlled, indoor environment, free of conductive
contaminants. Ambient temperature must not exceed 40°C (104°F). Do not
operate n ear water or excessive humidity (95% max).
Ī For PDM models with hardwired outputs, overcurrent protection for the
output AC circuit(s) is to be provided by others.
Ī For PDM models with hardwired outputs, suitably rated disconnect switches
for the output AC circuit(s) are to be provided by others.