Emerson GXT2-PP20KRT208 user manual Introduction

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Introduction

1.0INTRODUCTION

Congratulations on your choice of the Liebert GXT2-PP20KRT208 parallel POD. It allows parallel connection of input and output up to three Liebert GXT2-10000RT208 UPSs.

The Liebert GXT2-PP20KRT208 parallel POD features an N+1 redundancy. While one Liebert GXT2-10000RT208 UPS is available at 10kVA nominal power rating, connecting three UPSs in paral- lel provides 20kVA of output power, plus redundancy of one 10kVA UPS.

The Liebert GXT2-PP20KRT208 is a compact, parallel POD. A parallel POD continuously provides conditioned power from connected Liebert GXT2-10000RT208 UPSs whether utility power is present or not.

For ease and safety of installation, the Liebert GXT2-PP20KRT208 is designed with short-circuit pro- tection and color-coded outlets for the UPS electrical connectors.

The Liebert GXT2-PP20KRT208 has three parallel ports to communicate with the UPSs.

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Contents Liebert GXT2-PP20KRT208 Page Table of Contents Communication SpecificationsImportant Safety Instructions Glossary of Symbols Introduction System Description Maintenance BypassCompatibility Redundancy DesignEthernet Liebert MultiLink ShutdownSystem Description Main Input / Output Terminal Blocks Input and Output Slots for UPSMajor Components Parallel Communication Port Optional Power DistributionItems shipped with Liebert GXT2-PP20KRT208 WHAT’S IncludedWhat You Need Mount the Liebert GXT2-PP20KRT208 in a Rack or on a Wall InstallationMount the Liebert GXT2-PP20KRT208 on a Wall Paralleling System Connections Installation Electrical requirements Main Input and Output Terminal Block ConnectionsAdd an Output Power Distribution Module-Optional O/P O/P I/P O/P Parallel POD Main Electrical Connection-Must Be InstalledInitial Startup and Electrical Checks Paralleling for Capacity ConfigurationParalleling for Capacity and Redundancy Operation Operating ModesBypass Mode Battery Test Fault ConditionParallel Communication Cable Disconnection Remove a Single UPS from the Paralleling System Add a Single UPS to the Online Paralleling SystemOverload Condition Replacing a Faulty Power Module or UPS Internal BatteryBattery Low Voltage-Battery Mode UPS Status Information Communication InterfaceCommunication Calculating total load per UPS UPS Configuration Settings Parallel POD specifications SpecificationsOptional output distribution specifications-PD-201 Page Net