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Xtreme Power Conversion P91 User Manual

Xtreme Power Conversion P91
34 pages
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P91, TX91, TX91L, TXVR
Service Manual
www.xpcc.com | © 2019 Xtreme Power Conversion Corporaon. All rights reserved. (Rev 4/26/19)
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Xtreme Power Conversion P91 Specifications

General IconGeneral
BrandXtreme Power Conversion
ModelP91
CategoryUPS
LanguageEnglish

Summary

1 General Information

1.1 Getting Started

Provides an overview of the manual and its intended use for maintenance and repair services.

1.2 Important Safety Instructions

Crucial safety guidelines for qualified personnel to prevent injury and equipment damage.

2 Specifications

3 Functional Block

4 Working Principle of the Major Functional Block

4.1 Switch Power Supply

Explains the function and circuit of the Switch Power Supply (SPS) that powers UPS operation.

4.2 PFC/Booster

Details the Power Factor Correction (PFC) and Booster function and its circuit diagram.

4.3 Inverter

Describes the three-level inverter topology used for AC output generation.

4.4 Charger

Explains the charger's role in maintaining battery health and charge status.

4.5 EMI Board

Details the EMI board's function in filtering noise and protecting the UPS system.

5 Function explanations for each PCB

5.1 SPS-Charger board

Explains the SPS-Charger board, its power generation, and configuration options.

5.2 CNTL board (Control Board)

Describes the CNTL board as the core controller managing UPS operations and communication.

5.3 Communication board

Details the communication board's interfaces (RS232/USB) and EPO port.

5.4 EMI board

Explains the EMI board's function in preventing noise and surge protection.

5.5 Main Power board

Describes the Main Power board's role in AC/DC and DC/AC power conversion.

5.6 Para board

Explains the Para board's function for parallel UPS communication.

5.7 O/P Relay board

Details the O/P Relay board's use in parallel systems for output disconnection.

6 Interface

6.1 LED Display

Explains the meaning of LED indicators for various UPS operational modes.

6.2 LCD Display

Shows the layout of the LCD display and its various information indicators.

6.3 LCD Display Icon

Defines the icons displayed on the LCD and their corresponding functions.

7 Troubleshooting

7.1 LCD Panel Display Pattern Definition

Defines warning icons and fault codes on the LCD for diagnosing UPS issues.

7.2 Repair

7.2.1 Basic Instruments and tools

Lists essential instruments and tools required for UPS repair and debugging.

7.2.2 Configuration of the Model Port on the Control Board

Details jumper settings on the Control Board for different UPS models.

7.2.3 Configuration of the charger current on the LCD or by command

Explains setting charger current via LCD interface or command.

7.2.4 Configuration of charging voltage on the Charger Board or through command

Details setting charging voltage based on battery count via jumpers.

7.2.5 Regulation of the system

Describes parameter setting methods for system regulation using RS232 commands.

7.2.6 Quick Start

Provides initial component checks and debugging steps for quick problem identification.

8 Test Step

9 Appendix

9.1 Reference Waveforms

Presents waveform charts to verify UPS operational status and test results.

9.2 Basic communication command

Introduces fundamental communication commands for debugging and regulating the UPS.

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