Manuel D’UtilisationTable des matièresImportant Safety Instructions5Save These Instructions5Glossary of Symbols61.0 Introduction72.0 System Description82.1 Compatibility82.2 Redundancy Design82.3 Maintenance Bypass8Figure 1 Paralleling system block diagram82.4 Liebert MultiLink™ Shutdown9Figure 2 Liebert MultiLink connection diagram for parallel POD9Figure 3 Configure Liebert MultiLink 1.5 for shutdown to work with a parallel system103.0 Major Components11Figure 4 Liebert GXT2-PP20KRT208 components113.1 Input and Output Slots for UPS113.2 Main Input / Output Terminal Blocks113.3 Maintenance Bypass Breaker113.4 UPS Input / Output Circuit Breakers113.5 Parallel Communication Port123.6 Optional Power Distribution12Figure 5 Optional output distribution modules124.0 What’s Included13Figure 6 Items shipped with Liebert GXT2-PP20KRT20813Figure 7 Liebert GXT2-20KPC-6 components134.1 What You Need145.0 Installation155.1 Mount the Liebert GXT2-PP20KRT208 in a Rack or on a Wall15Figure 8 Secure the fixed brackets to the Liebert GXT2-PP20KRT208155.1.1 Mount the Liebert GXT2-PP20KRT208 in a Rack15Figure 9 Secure a parallel POD to a rack155.1.2 Mount the Liebert GXT2-PP20KRT208 on a Wall16Figure 10 Mount the Liebert GXT2-PP20KRT208 on a wall165.2 Paralleling System Connections175.3 Main Input and Output Terminal Block Connections19Table 1 Electrical requirements19Figure 11 Hardwire terminal connections19Figure 12 Secure the cover plate over the terminal connections195.4 Add an Output Power Distribution Module-Optional205.5 Parallel POD Main Electrical Connection-Must Be Installed21Figure 13 120A branch circuit breaker connection216.0 Initial Startup and Electrical Checks227.0 Configuration23Table 2 Maximum output power from paralleled UPSs237.1 Paralleling for Capacity237.2 Paralleling for Capacity and Redundancy238.0 Operation248.1 Operating Modes248.1.1 Online Mode248.1.2 Bypass Mode25Figure 14 Open the maintenance bypass breaker cover258.1.3 Output Off Mode268.2 Fault Condition268.3 Battery Test268.4 Parallel Communication Cable Disconnection268.5 Add a Single UPS to the Online Paralleling System278.6 Remove a Single UPS from the Paralleling System278.7 Replacing a Faulty Power Module or UPS Internal Battery288.8 Overload Condition288.9 Battery Low Voltage-Battery Mode299.0 Communication309.1 Communication Interface309.2 UPS Status Information30Figure 15 Calculating total load per UPS31Table 3 Calculating total load, 20kVA example31Table 4 Calculating total load, 12kVA example319.3 UPS Configuration Settings3210.0 Specifications33Table 5 Parallel POD specifications33Table 6 Paralleling cable kit dimensions and weight33Table 7 Optional output distribution specifications-PD-20134Table 8 Optional output distribution specifications-PD-20234Taille: 3,1 MoPages: 36Language: EnglishOuvrir le manuel