Instruction/ maintenance manual of the product AP9621 American Power Conversion
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990-7820D, July 2003 APC S tep-Down T ransformer Models: AP9621, SUR T005, SUR T006, SUTF3, SYTF2, SYTF2J, SYTF3 and SYTF3J User ’ s Manual English.
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T ABLE OF C ONTENT S APC Contact Numbers and Support Visit the APC Web site for contact numbers and support at http://www.apc.com/suppor t . Chapter 1: Safety and General Information ................................................................. 1 Save These Instructions .
T ABLE OF C ONTENT S.
C HAPTER 1: S AFETY AND G ENERAL I NFORMA TION 1 Save These Instructions Conventions Used in this Manual The WARNING sign denotes a serious haza rd. 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.
C HAPTER 1: S AFETY AND G ENERAL I NFORMA TION 2 De-energizing Safety To de-energize this equipme nt toggle the rear input circuit breaker to the OFF position, an d then disconnect the equipment from the AC po wer outlet. Electrical Safety • The protective earth conductor carries the leakag e current from the load devices (comput er equipment).
C HAPTER 1: S AFETY AND G ENERAL I NFORMA TION 3 Life Support Policy Limited W arrant y Copyright and T r ademark Information As a general policy, American Power Conversion (APC) does not recomme nd t.
C HAPTER 1: S AFETY AND G ENERAL I NFORMA TION 4.
C HAPTER 3: I NST ALLA TION 5 About Y our Step-Down T ransformer Table 1: System Configurations and Model Number s * Power cord connected units have an available p ower of 4500 VA with a L6-30 plug. ** Units with an available po wer of 5000 VA must be hardwired du e to input current.
C HAPTER 3: I NST ALLA TION 6 Product Overview.
C HAPTER 3: I NST ALLA TION 7 Front View Component Identification Figure 2: AP9621 Figure 3: SUTF3 / SYT F2 / SYTF2J / SYTF3 / SYTF3J Figure 4: SURT005/ SURT006 Rear View Component Identification Figu.
C HAPTER 3: I NST ALLA TION 8 Unp acking Inspection Contents Inst alling the S tep-Down T ransformer Installing in a Four-Post Rack Figure 8: AP9621 / SURT005 / SURT006 Figure 9: SUTF3 / SYTF2 / SYTF2J / SYTF3 / SYTF3J 1. Install the mounting rails using the instructions contai ned in the Rail Kit.
C HAPTER 3: I NST ALLA TION 9 Wiring the Step-Down Transformer 1. For cord connected installations, plug the inp ut power cord into the outlet . 2. For hardwired installations: • Verify that all branch circuit (mains) are de-energized an d locked out before installing cables or making connections.
C HAPTER 3: I NST ALLA TION 10 Connecting Load Equipment Plug all load equipment int o PDU receptacles. • For AP9621, SYTF2, SYTF2J, SURT 005, and SURT006 models, the receptacles are divided into 4 gr oups; each group is protected by a 15-am p circuit breaker.
C HAPTER 3: I NST ALLA TION 11 Using the Step-Down Transformer • Connect the Step-Down Transformer to a UPS for continuous po wer during a utility power failure. • The transformer has an efficiency of 90%. This requires 550 0 VA for a 5000 VA load, 5000 VA for a 4500 VA load, and 3900 VA for a 3500 VA load.
C HAPTER 4: S PECIF ICA TIONS 12 Product S pecifications Electrical Specifications AP9621 / SUTF3 / SYTF2 / SYTF3 / SURT005 SYTF2J / SYTF3J / SURT006 Nominal Input Voltage (VAC) 208 200 Input Voltage .
C HAPTER 4: S PECIF ICA TIONS 13 Other Specifications Dimensions (H x W x D) (Overall) 3.5 in x 19 in x 26 in ( with bezel) (8.9 cm x 48.3 cm x 66 cm) Weight Net Shipping 95 lbs (43kg) 110 lbs (50 kg).
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