Page 3 - TABLE OF CONTENTS; Liebert MultiLink
i TABLE OF CONTENTS I MPORTANT S AFETY I NSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SAVE THESE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1G LOSSARY OF S YMBOLS . . ...
Page 4 - ii; OMMUNICATION; FIGURES; DISCONTINUED
ii 8.6 Remove a Single UPS from the Paralleling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 8.7 Replacing a Faulty Power Module or UPS Internal Battery . . . . . . . . . . . . . . . . . . . . . . . . . 24 8.8 Overload Condition. . . . . . . . . . . . . . . . . . . . . ....
Page 5 - SAVE THESE INSTRUCTIONS; ELECTROMAGNETIC COMPATIBILITY; —The Liebert GXT2-PP20KRT208 complies with the; WARNING
1 I MPORTANT S AFETY I NSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important safety instructions pertaining to the Liebert GXT2-PP20KRT208, a parallel power output device that will connect up to three Liebert GXT2-10000RT208 UPSs. Read all safety, installation and operating instructions...
Page 7 - Introduction; NTRODUCTION
Introduction 3 1.0 I NTRODUCTION 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 GXT2-10000RT2...
Page 8 - System Description; YSTEM; Compatibility; Figure 1
System Description 4 2.0 S YSTEM D ESCRIPTION 2.1 Compatibility The Liebert GXT2-PP20KRT208 parallel POD is compatible only with the Liebert GXT2-10000RT208 UPS. No more than three Liebert GXT2-10000RT208 UPSs can be connected to the parallel POD. 2.2 Redundancy Design During normal operation with p...
Page 9 - Figure 2; installation or later (see; Figure 3; Computer With; Ethernet
System Description 5 2.4 Liebert MultiLink ™ Shutdown The parallel POD supports the orderly shutdown of computer operating system through its compati- bility with Liebert MultiLink 1.5 software. When properly configured to operate with Liebert Mul- tiLink 1.5, the parallel POD will operate as a comp...
Page 11 - Major Components; AJOR; The Liebert GXT2-PP20KRT208 has five main components (see; Figure 4; Input and Output Slots for UPS; correct direction and only with the same color.; Main Input / Output Terminal Blocks; and Output Terminal Block Connections; to connect the wires.; Maintenance Bypass Breaker; Mode; UPS Input / Output Circuit Breakers; switched to the Off position.
Major Components 7 3.0 M AJOR C OMPONENTS The Liebert GXT2-PP20KRT208 has five main components (see Figure 4 ): • UPS input / output circuit breakers• Main input / output terminal blocks• Parallel communication ports• Maintenance bypass breaker• Input and output slots for each UPS Figure 4 Liebert G...
Page 12 - Parallel Communication Port; for the cable connection procedures; NOTICE; communication cable may result in damage to the UPS.; Optional Power Distribution; - Add an Output Power Distribution Module—Optional; for installation steps.; Figure 5; the parallel power cable assembly to the UPS.; Power Distribution Option
Major Components 8 3.5 Parallel Communication Port The Liebert GXT2-PP20KRT208 parallel POD has three 15-pin parallel communication ports on the upper right of the parallel POD. Several signals are provided on this port to communicate with each UPS. Use the parallel communication cables for the conn...
Page 13 - What’s Included; HAT; The Liebert GXT2-PP20KRT208 is shipped with:; Figure 6
What’s Included 9 4.0 W HAT ’ S I NCLUDED The Liebert GXT2-PP20KRT208 is shipped with: • User Manual: 1• Cover Plate for Main Terminal Block: 1• Cover Plate for Parallel Communication Cable Connectors: 1• Edge Guards: 6• M6 Clips: 8• Fixed Rack-Mounting Brackets: 4• Screw Kit: M3x6 Screws, 9; M4x8 S...
Page 14 - What You Need
What’s Included 10 4.1 What You Need You will need the following tools for assembly of the parallel system connections. • 3/8" slotted screwdriver • Phillip #1 screwdriver• Phillip #2 screwdriver• 10mm hex driver• 5mm hex driver• 3/16" hex wrench• Star T10 screwdriver DISCONTINUED P R O D U ...
Page 15 - Installation; NSTALLATION; instructed to do so in; - Initial Startup and Electrical Checks; . Verify that all circuit breakers; Mount the Liebert GXT2-PP20KRT208 in a Rack or on a Wall; Figure 8
Installation 11 5.0 I NSTALLATION This section includes instructions on how to set up the connections between the parallel POD and the UPS, connect wiring to the terminal block, install the Liebert GXT2-PP20KRT208 parallel POD in a rack or on a wall and add an optional distribution POD.Do NOT attemp...
Page 16 - screws to attach the unit to the wall (see
Installation 12 5.1.2 Mount the Liebert GXT2-PP20KRT208 on a Wall Mounting the parallel POD on a wall requires eight field-supplied wall inserts and eight field-sup- plied screws. The minimum size for the wall insert is 5x30 and for the screw, M5x30.1. Secure the four fixed brackets to the rearmost ...
Page 17 - Paralleling System Connections; Figure 7; cover closed when not in use (see; - Add an Output Power Distribution Module—; for the optional distribution POD installation).; ) into the open slots on the cable housing.; NOTE; hardwired terminal block on the UPS’ rear panel.
Installation 13 5.2 Paralleling System Connections The Liebert GXT2-PP20KRT208 is shipped with the input and output slots for UPS and the optional output power distribution section covered. Installation of the paralleling system requires: parallel power cables, fixed plates and cable clamps. These a...
Page 18 - minal block with the original conduit box.; Steps 2; through
Installation 14 If the Liebert GXT2-10000RT-208 UPS was a stand-alone unit but now will be part of a paral- lel system, remove the input and output cables from the rear terminal block and cover the ter- minal block with the original conduit box. 10. Secure the cables to the housing with two cable cl...
Page 19 - Main Input and Output Terminal Block Connections; Figure 11 Hardwire terminal connections; OUTPUT
Installation 15 5.3 Main 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. Figure 1...
Page 20 - Add an Output Power Distribution Module—Optional; module to the parallel POD.; system and all connected UPSs are completely powered off.
Installation 16 5.4 Add an Output Power Distribution Module—Optional To add an optional output distribution module to the Liebert GXT2-PP20KRT208:1. Disconnect and secure utility power from the parallel POD and completely power Off all connected UPSs. 2. Remove the four screws securing the blank out...
Page 21 - Parallel POD Main Electrical Connection—Must Be Installed; Figure 13 120A branch circuit breaker connection
Installation 17 5.5 Parallel POD Main Electrical Connection—Must Be Installed Electrical connections are made through a removable conduit box that attaches to the top of the paral- lel POD.A branch breaker is required for short circuit or overcurrent protection. The installer must provide a 120A (@ ...
Page 22 - Initial Startup and Electrical Checks; NITIAL
Initial Startup and Electrical Checks 18 6.0 I NITIAL S TARTUP AND E LECTRICAL C HECKS This section includes the procedures on how to install the paralleling system for the first time and how to perform initial system checks of each UPS individually before connecting them in parallel. NOTICE Miswiri...
Page 23 - Configuration; ONFIGURATION; lel. See the following table for the maximum output power.; Table 2; Method; Paralleling for Capacity
Configuration 19 7.0 C ONFIGURATION The Liebert GXT2-PP20KRT208 parallel POD allows connecting a maximum of three UPSs in paral- lel. See the following table for the maximum output power. 7.1 Paralleling for Capacity When two UPSs are connected to the paralleling system, the maximum output power is ...
Page 24 - Operation; PERATION; Operating Modes; Verify the operation of each UPS as detailed in; before powering On the parallel system as detailed below.
Operation 20 8.0 O PERATION 8.1 Operating Modes 8.1.1 Online Mode NOTICE Verify the operation of each UPS as detailed in 6.0 - Initial Startup and Electrical Checks before powering On the parallel system as detailed below. To power On the paralleling system:1. Connect all parallel power cables and p...
Page 25 - Turn the maintenance bypass breaker to the On position.; Figure 14 Open the maintenance bypass breaker cover; Retaining Holes
Operation 21 8.1.2 Bypass Mode NOTICE Risk of loss of power. May cause equipment damage.The UPSs must be switched to Bypass Mode before transferring the parallel POD to Bypass Mode. After the UPSs are in bypass, the parallel POD may be switched. If the UPSs are not switched first, power to the load ...
Page 26 - Fault Condition; - Add a Single UPS to the Online Paralleling System; Battery Test
Operation 22 8.1.3 Output Off Mode To transfer the paralleling system to Output Off Mode:1. Make sure that each UPS is in Bypass Mode. If a UPS is not in Bypass Mode, press the UPS’ Off button once (see 8.1.2 - Bypass Mode ). 2. Press the Off button on the first UPS twice within four seconds.3. Perf...
Page 27 - Add a Single UPS to the Online Paralleling System; POD are in the Off position.; Remove a Single UPS from the Paralleling System; press the Off button on the UPS control panel
Operation 23 8.5 Add a Single UPS to the Online Paralleling System 1. Make sure that breakers on the UPS to be added and the corresponding breakers on the parallel POD are in the Off position. 2. Connect the parallel power cables between the UPS and the parallel POD.3. Turn On the corresponding inpu...
Page 28 - Replacing a Faulty Power Module or UPS Internal Battery; breakers on the parallel POD.; Overload Condition; the system will restart automatically and return to Line Mode.
Operation 24 8.7 Replacing a Faulty Power Module or UPS Internal Battery 1. Press the UPS’ Off button twice within four seconds to turn off the UPS. The UPS will transfer to Output Off Mode. 2. Turn Off the input and output breakers on the UPS and the corresponding input and output breakers on the p...
Page 29 - Battery Low Voltage—Battery Mode; to supply power to the load.
Operation 25 8.9 Battery Low Voltage—Battery Mode See the following conditions when the battery low voltage is detected in the paralleling system. • If one UPS battery is running low, it will transfer to Output Off Mode. The other UPSs continue to supply power to the load. • If all UPS batteries are...
Page 30 - Communication; Communication Interface; MultiLink; amount of up-time to the connected equipment.; UPS Status Information; Shutdown; tion of the total load.
Communication 26 9.0 C OMMUNICATION 9.1 Communication Interface The Liebert GXT2-PP20KRT208 parallel POD has three communication connectors for communica- tion between the UPSs. These connectors must not be used for any other monitoring applications.Each connected Liebert GXT2-10000RT208 UPS can be ...
Page 31 - Figure 15 Calculating total load per UPS; 0kVA Load, Full Load of Parallel Pod; Table 4; 2kVA Load, Full Load of Parallel Pod
Communication 27 Figure 15 Calculating total load per UPS Note that the L1-N, L2-N and L1-L2 loads are evenly shared among all the connected UPSs. Load val- ues are in kVA. Table 3 Calculating total load, 20kVA example 20kVA Load, Full Load of Parallel Pod 2 UPSs Connected to Parallel POD 3 UPSs Con...
Page 32 - UPS Configuration Settings; POD to operate in the same manner.
Communication 28 9.3 UPS Configuration Settings Refer to the Liebert GXT2-10000RT208 user manual, SL-23444, for additional information on using the UPS Configuration Program.When the configuration program is used with any of the connected Liebert GXT2-10000RT208 UPSs, options selected are changed in...
Page 33 - Specifications; PECIFICATIONS; Table 5; Table 6; Model Number
Specifications 29 10.0 S PECIFICATIONS Table 5 Parallel POD specifications Model Number Liebert GXT2-PP20KRT208 Model Rating 20,000VA / 16,000W at 120/208 or 120/240 VAC Dimensions, in (mm) Unit, W x D x H in. (mm) 16.94 x 9.85 x 16.61 (430 x 250 x 422) Shipping, W x D x H in. (mm) 23.05 x 16.74 x 1...
Page 34 - Table 7
Specifications 30 Table 7 Optional output distribution specifications—PD-201 Model Number PD-201 Dimensions, in (mm) Shipping W x D x H in. (mm) 10.44 x 8.87 x 7.88 (265 x 225 x 200) Weight, lb (kg) Unit 5.29 (2.4) Shipping 6.39 (2.9) Electrical Specifications Amp Rating 120A (multiple connectors us...
Page 36 - AC Power; IS
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