Operating instructions

1
I
MPORTANT
S
AFETY
I
NSTRUCTIONS
Save these instructions
This manual contains important instructions that should be followed during the installation and
maintenance of the Static Transfer Switch.
!
WARNING
THE UNIT IS SUPPLIED BY MORE THAN ONE POWER SOURCE.
UNIT CONTAINS HAZARDOUS VOLTAGES IF ANY OF THE
INPUT SOURCES IS ON, EVEN WHEN THE UNIT IS IN BYPASS.
TO ISOLATE THE UNIT, TURN OFF AND LOCK OUT ALL INPUT
POWER SOURCES.
VERIFY THAT ALL INPUT POWER SOURCES ARE DE-
ENERGIZED AND LOCKED OUT BEFORE MAKING
CONNECTIONS INSIDE UNIT.
LETHAL VOLTAGES EXIST INSIDE THE UNIT DURING
NORMAL OPERATION. ONLY QUALIFIED SERVICE
PERSONNEL SHOULD PERFORM MAINTENANCE ON THE
STATIC SWITCH.
NOTE
Read the entire manual before installing or operating the system. Adhere to
all operating instructions and warnings on the unit and in this manual.
The unit should not be loosened from its shipping pallet until all handling
by forklift or pallet jack is completed.
The Floor Pedestals may be reverse assembled for shipping. Before
installing the pedestals, be sure they are assembled properly.
Liebert Corporation neither recommends nor knowingly sells this product
for use with life support or other FDA-designated “critical” devices.
The Static Transfer Switch is suitable for indoor use only. Protect unit
from excessive moisture and install in an area free from flammable liquids,
gases, or corrosive substances.
The unit is designed to operate from solidly grounded AC power sources
only. Provide input overcurrent protection in accordance with the unit
ratings. Wire and ground the unit according to national and local
electrical safety codes. All wiring should be installed by a qualified
electrician.
Before unit is placed into service for the first time, after equipment
relocation, or after the unit has been de-energized for an extended period of
time, a thorough equipment inspection and supervised start-up by
qualified service personnel are strongly recommended.
!
CAUTION
This unit complies with the limits for a Class A digital device,
pursuant to Part 15 Subpart J of the FCC rules and EN550022.
These limits provide reasonable protection against harmful
interference in a commercial environment. This unit generates,
uses and radiates radio frequency energy and, if not installed and
used in accordance with this instruction manual, may cause
harmful interference to radio communications. Operation of this
unit in a residential area may cause harmful interference that the
user must correct at his own expense.