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0MLMHTM30RUENUA
Thank you for choosing our product.
RPS S.p.A. is highly specialized in the development and production of uninterruptible power systems (UPS).
The UPS’s of this series are high quality products, carefully designed and manufactured to ensure optimum
performance.
Applicability
This manual applies to the following models:
Master-HP 300
300 kVA, 480 V input, 480 V output, 60 Hz, configured as wye-wye or delta-delta (see below); “xx” may be
replaced with an alternate two character designator that denotes installed options as described in the order
documentation.
Master-HP 400
400 kVA, 480 V input, 480 V output, 60 Hz, configured as wye-wye or delta-delta (see below); “xx” may be
replaced with an alternate two character designator that denotes installed options as described in the order
documentation.
Master-HP 500
500 kVA, 480 V input, 480 V output, 60 Hz, configured as wye-wye or delta-delta (see below); “xx” may be
replaced with an alternate two character designator that denotes installed options as described in the order
documentation.
The wye output configuration that provides an output neutral connection is only permitted when an input neutral
is provided; that is, the delta-wye configuration is prohibited. The source must have a grounded neutral, even if
the neutral is not connected to the UPS; that is, a delta source may not be ungrounded or corner grounded.
Please refer to Section 4.4 for additional information.
Safety Warnings
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This manual contains important instructions for Models 300, 400, 500kVA MASTER HP – UL all versions, that
should be followed during installation and maintenance of the UPS. Please read all instructions before operating
the equipment and save this manual for future reference.
READ AND FOLLOW ALL SAFETY INSTRUCTIONS
a. Do not use outdoors.
b. Do not route wiring across or near hot surfaces.
c. Do not install near gas or electric heaters.
d. Use caution when servicing batteries. Battery acid can cause burns to skin and eyes. If acid is spilled on
skin or in eyes, flush acid with fresh water and contact a physician immediately.
e. Equipment should be installed where it will not readily be subjected to tampering by unauthorized
personnel.
f. The use of accessory equipment not recommended by the manufacturer may cause an unsafe condition.
g. Do not use this equipment for other than intended use.