Emerson GXT2-PP20KRT208 Main Input and Output Terminal Block Connections, Electrical requirements

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Installation

5.3Main Input and Output Terminal Block Connections

Conduit entry holes are provided on the front top of the removable cover plate for the parallel POD. Input and output wiring should be run in separate conduit. See the following requirements and label to connect the wires.

Table 1	Electrical requirements

			Recommended Wire
Input Current		Recommended Maximum	(including ground wire)	Terminal
Rating		External Overcurrent Protection	(75°C copper wire)	Tightening Torque
83A		120A	1/0 AWG	50 lb-in (5.6 N-m)

Figure 11 Hardwire terminal connections

Green	Red			Black		Green
L2	N	L1	L2	N		L1
OUTPUT			INPUT		120 Amp Max Branch
OUTPUT			INPUT		Overcurrent Protection

NOTE

Terminal blocks are color-coded for easy installation. Make sure that the wires are connected to the correct terminals. A 3/16" hex wrench is required for tightening the terminal blocks.

When the terminal block connections are done, secure the cover plate with seven screws.

Figure 12 Secure the cover plate over the terminal connections

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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