CONNECTION AS 3671817 - Caterpillar

General Description
The 50 Hz battery UPS is a three-phase double conversion uninterruptible power supply (UPS), designed for flexibility to meet a wide range of application requirements. The 50 Hz battery UPS offers many options to allow for customizing a solution to meet the unique specifications of the customer. The options that are offered include, but are not limited to the following:
Adjacent and remote battery cabinets
Input and output isolation transformers
Options for distribution
Parallel system bypass cabinets
Variety of communication cardsDescription of Information
This manual provides the following information:
Detailed 3-dimensional views of system components
Troubleshooting
Preventive maintenance
System checks
Testing and Adjusting procedures
IGBT replacement proceduresSafety
Ensure that all safety precautions are followed to protect personnel and equipment before performing any operational or service procedures on the UPS.ReferenceOperations and Maintenance Manual, SEBU8516, "Safety"Operation and Maintenance Manual
Operation and Maintenance Manual, SEBU8516 contains detailed instruction for the following:
Personnel and equipment safety
Installation guidelines and procedures
Equipment specifications
Operating procedures
General service proceduresPreventive Maintenance
Always follow the preventive maintenance procedure. The listed preventive maintenance procedures are used to ensure the following:
The equipment is serviced uniformly.
The equipment is configured properly.
The equipment is in proper operating condition.All preventive maintenance is to be performed only by qualified technicians who have been trained to maintain the product. Preventive maintenance procedures include the following:Basic Preventive Maintenance - These routines are performed on a minimum of a yearly basis.Advanced Preventive Maintenance - These routines are performed as needed and for troubleshooting the system.Complete all maintenance for power distribution equipment that is upstream of the UPS first. Servicing the upstream equipment first will ensure that there will not be any changes to the infrastructure for the power distribution after servicing the UPS.Before starting these tests, complete the following:
Place the upstream disconnects in the ON position. The upstream disconnects are now closed.
Ensure that the system is configured to operate in Test Mode.Test Mode
Test Mode consists of the following:
Place the MAINS 1 (Q1) input switch in the ON position. The MAINS 1 input switch is now closed.
Place the MAINS 2 (Q4S) input switch in the ON position. The MAINS 2 input switch is now closed.
Place the output switch in the ON position. The output switch is now closed.
Place the battery disconnects in the ON position. The battery disconnects are now closed.
Place the internal maintenance bypass switch in the OFF position. The internal maintenance bypass switch is now open.If any conditions do not occur, troubleshoot the fault and correct the issue. Verify that the operations and alarm functions of the UPS are correct.