American Power Conversion AP9621, SYTF3, SYTF3J, SURT005, SYTF2J User Manual
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APC Step-Down Transformer
Models: AP9621, SURT005,
SURT006, SUTF3, SYTF2,
SYTF2J, SYTF3 and SYTF3J
User’s Manual
English
990-7820D, July 2003
TABLE OF CONTENTS
APC Contact Numbers and Support
Visit the APC Web site for contact numbers and support at http://www.apc.com/support.
Chapter 1: Safety and General Information................................................................. 1
Save These Instructions ............................................................................................................................................ 1
Conventions Used in this Manual .............................................................................................................................. 1
Handling Safety ......................................................................................................................................................... 1
De-energizing Safety ................................................................................................................................................. 2
Electrical Safety......................................................................................................................................................... 2
Regulatory Agency Approvals ................................................................................................................................... 2
Life Support Policy..................................................................................................................................................... 3
Limited Warranty ....................................................................................................................................................... 3
Copyright and Trademark Information ....................................................................................................................... 3
Chapter 2: Basics .......................................................................................................... 5
About Your Step-Down Transformer ......................................................................................................................... 5
Product Overview ...................................................................................................................................................... 6
Front View Component Identification..................................................................................................................... 7
Rear View Component Identification ..................................................................................................................... 7
Chapter 3: Installation................................................................................................... 7
Unpacking ................................................................................................................................................................. 8
Inspection .............................................................................................................................................................. 8
Contents ................................................................................................................................................................ 8
Installing the Step-Down Transformer ....................................................................................................................... 8
Installing in a Four-Post Rack................................................................................................................................ 8
Wiring the Step-Down Transformer ....................................................................................................................... 9
Connecting Load Equipment ............................................................................................................................... 10
Turning On the Step-Down Transformer ............................................................................................................. 10
Using the Step-Down Transformer ...................................................................................................................... 11
Chapter 4: Specifications............................................................................................ 11
Product Specifications ............................................................................................................................................. 12
TABLE OF CONTENTS
CHAPTER 1: SAFETY AND GENERAL INFORMATION
Save These Instructions
This Safety section contains important instructions that must be followed during installation and maintenance
of APC equipment.
Conventions Used in this Manual
The following symbols are used throughout this manual. Carefully read all information boxes and abide by
the instructions.
The WARNING sign denotes a serious hazard. It calls attention to a procedure, practice,
condition, or the like, which, if not correctly performed or adhered to, could result in injury
to personnel.
The CAUTION sign denotes a hazard. It calls attention to an operating procedure, practice, or
the like, which, if not correctly performed or adhered to, could result in damage to or destruction
of all or part of the product.
The NOTE sign denotes important information. It calls attention to a procedure, practice,
condition, or the like, which is essential to highlight.
Handling Safety
Be careful. Do not lift heavy loads without assistance.
32 – 55 kg (70 – 120 lb)
This equipment is intended for installation in a temperature-controlled indoor area free of
conductive contaminants. Refer to Specifications at the APC web site (www.apc.com/support/)
for the actual temperature range.
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CHAPTER 1: SAFETY AND GENERAL INFORMATION
De-energizing Safety
To de-energize this equipment toggle the rear input circuit breaker to the OFF position, and then
disconnect the equipment from the AC power outlet.
Electrical Safety
• The protective earth conductor carries the leakage current from the load devices (computer
equipment). Therefore, the size of the conductor must be at least as large as the wire required
by IEC 950. An insulated grounding conductor that is identical in size, insulation material, and
thickness to the grounded and ungrounded branch-circuit supply conductors, except that it is
green with or without a yellow stripe is to be installed as part of the branch.
• The grounding conductor described above is to be grounded to earth at the service
equipment, or if supplied by a separately derived system, at the supply transformer or motorgenerator set.
• The attachment-plug receptacles near the unit or subsystem are all to be of a grounding type,
and the grounding conductors serving these receptacles are to be connected to earth ground
at the service equipment.
• To reduce the risk of fire, connect only to a circuit provided with 30-amp maximum branch
circuit overcurrent protection in accordance with the National Electrical Code, ANSI/NFPA.
Regulatory Agency Approvals
Regulatory Agency Symbols
LISTED 42C2
E95463
LR63938
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