Emerson GXT2-PP20KRT208 manual

AC P ow er For Business-Criti cal C on tinuity™ Li eber t ® GX T2-PP20KR T208 ™ Us er Manual–P aralle l POD for L iebe rt GX T2-10000RT 208[...]

[...]

i T ABLE OF CONTENTS I MPORT ANT S AFETY I NS TRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SAVE THESE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 G LOSSARY OF S YMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . [...]

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

1 I MPORT A NT S AFETY I NSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important saf ety instructions pertaining to the Liebert GXT2-PP20 KRT208, a parallel power output device that will connect up to three Lieber t GXT2-10000RT208 UPSs. Read all safety, instal lation and operating inst ructions before operating the Li ebert GXT2-PP20KRT[...]

2 G LOSSARY OF S YMBOLS Risk of ele ctrical shock Indicates caution followed by important instructions AC input AC output Suggests the user consult the manual Indicates the presence of a valve-regulated lead acid battery Recycle DC voltage Equipment grounding conductor Bonded to ground AC voltage WEEE logo ! i PbH2S O4 - + R[...]

Introd uction 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 pa rallel POD features an N+1 redundancy. While one Liebert GXT2-10000RT2 08 UPS is availabl e at 10kVA nominal power ra[...]

System Description 4 2.0 S YSTEM D ESCRIPTION 2.1 Comp atibility The Liebert GXT2-PP2 0KRT208 parallel POD i s compatible only wi th the Liebert GXT2-1000 0RT208 UPS. No more than three Liebert GXT2-10000RT 208 UPSs can be connect ed to the paralle l POD. 2.2 Redundancy Design During normal operation with pa rallel connection of three Lieber t GXT2[...]

System Description 5 2.4 Liebert MultiLink ™ Shut down The parallel POD supports the orderly shutdow n of computer operating system through its compati- bility with Liebert MultiLink 1.5 software. When prope rly configured to operate w ith Liebert Mul- tiLink 1.5, the paral lel POD will operat e as a complete system; On Batte ry and Low Battery e[...]

System Description 6 Figure 3 Configure Liebert MultiLink 1.5 for shut down to work with a parallel system Select this option either while inst alling the sof tware or late r through the connec tion options Enable shut down ... ... for these events[...]

Major Compo nents 7 3.0 M AJOR C OMPONENT S The Liebert GXT2-PP20KRT208 ha s five main components (see Figure 4 ): • UPS input / output circuit breakers • Main input / output terminal blocks • Parallel com munication po rts • Maintenance bypa ss breaker • Input and output slots f or each UPS Figure 4 Liebert GXT2-PP20KRT208 comp onent s 3[...]

Major Compo nents 8 3.5 Parallel Communication Port The Liebert GXT2-PP20KRT208 para llel POD ha s three 15-pin pa ral lel communication ports on the upper right of the parallel POD. Several sign als are provided on this port to communicate with each UPS. Use the parallel co mmunication cables for the connection between the parallel POD and each UP[...]

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 C able Connectors: 1 • Edge Guards: 6 •M 6 C l i p s : 8 • Fixed Rack-Mounti ng Brackets: 4 • Screw Kit: M3x6 Screws, 9; M 4 x8 Screws, 32; M6x16[...]

What’ s Included 10 4.1 What Y ou Need You will need the following tools for assemb ly of the para llel system connect ions. • 3/8" slotted screwdriver • Phillip #1 screwdriver • Phillip #2 screwdriver • 10mm hex driver •5 m m h e x d r i v e r • 3/16" hex wrench • Star T10 screwdriver[...]

Installation 11 5.0 I NST ALLATION This section includes instructions on how to set up th e connections between the parallel POD and the UPS, connect wiring to the terminal b lock, install the Liebert GXT2-PP20KRT20 8 parallel POD in a rack or on a wall and add an optional distribut ion POD. Do NOT attempt to start the UPS, turn on any circuit brea[...]

Installation 12 5.1.2 Mount the Liebert GXT2-PP20KRT208 on a W all Mounting the parallel POD on a wall requires ei ght field-suppl ied wall inserts and eight field-sup- plied screws. The minimum size for the wall in sert is 5x 30 and for the screw, M5x30. 1. Secure the four fixed brackets to the rearmo st screw hole s on either side of the Liebert [...]

Installation 13 5.2 Paralleling System Connections The Liebert GXT2-PP20KRT208 is shipped with the input and output slots fo r UPS and the optional output power distribution section covered. Installati on of the pa ralleling sy stem requires: parallel power cables, fixed plates and cable clamps. These are included in Liebert GXT2-20KPC-6 kit (see F[...]

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 cov er the ter- minal block with the original conduit box. 10. Secure the cables to the housing with two cable clamps, 10mm hex driver required. 11. Put the cover[...]

Installation 15 5.3 Main Input and Output T erminal 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 requir ements and label to connect the wires. Figure 1 1 Hardwire terminal connections When the termin[...]

Installation 16 5.4 Add an Output Power Di stribution Module—Optional To add an o ptional output distrib ution module to the Liebert GXT2-PP20KRT208: 1. Disconnect and secure utilit y po wer from the parallel POD and completely power Off all connected UPSs. 2. Remove the four screws securing the blank output distribution cover plate of the parall[...]

Installation 17 5.5 Parallel POD Main Electrical Connection—Must Be Inst alled Electrical connections are made th rough a removable conduit box that attaches to the top of the paral- lel POD. A branch breaker is required for short circuit or overcurrent protec tion. The installer must provide a 120A (@ 208V to 2 40V) branch circuit breaker. If th[...]

Initial St artup and Electrical Chec ks 18 6.0 I NITIAL S T ARTUP AND E LECTRICAL C HECKS This section in cludes the procedures on how to install the parallelin g system for the fi rst time and how to perform initial system checks of each UPS individuall y before connecting them in parallel. NOTICE Miswiring power to the input terminal block (L1-L2[...]

Configuration 19 7.0 C ONFIGURATION The Liebert GXT2-PP20KRT208 para llel POD allows connecting a maximum of three UPSs in paral- lel. See the following table for the maximum output power. 7.1 Paralleling for Cap acity When two UPSs are connected to the paralleling sy stem, the maximum output power is 20kVA. Each UPS supplies 10k VA of output power[...]

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 pow ering On the parallel system as detailed below. To power On the p aralleling system: 1. Connect all parallel power ca bles and parallel commu nication cables between the UPSs[...]

Operation 21 8.1.2 Byp ass Mode NOTICE Risk of loss of power. May cause equipment damage. The UPSs must be switched to B ypass Mode be fore transferring the parallel POD to Bypass Mode. After the UPSs are in bypass, the parall el POD may be switched . If the UPSs are not switched first, power to the load may be lost. While the maintenance bypass br[...]

Operation 22 8.1.3 Output Off Mode To transfer the paral leling system to Output Off Mode: 1. Make sure that each UPS is in B ypass Mode. If a UPS is not in Bypass Mode, pre ss 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. Perform Step 2 on each UPS in the paralleling [...]

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 be tween the UPS and the parallel POD. 3. Turn On the corresponding inpu t breaker (do NOT turn On the co rresponding ou[...]

Operation 24 8.7 Replacing a Faulty Power M odule or UPS Internal Battery 1. Press the UP S’ Off button twice w ithin four second s to turn off the UPS. The UPS w ill 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 parallel POD. 3. Make sure that the si ngle [...]

Operation 25 8.9 Battery Low V o ltage—Battery Mode See the following conditions wh en the battery low voltage is detected in the paralleling syste m. • If one UPS battery is running low, it will transf er to Output Off Mode. The other UPSs continue to supply power to the load. • If all UPS batteries are running low, the devices will transfe [...]

Communication 26 9.0 C OMMUNICATION 9.1 Communication Interface The Liebert GXT2-PP20KRT208 para llel POD has three communicati on connectors for communica- tion between the UPSs. Thes e connectors must not be used for any other monitoring applications. Each connected Liebert GXT2 -1000 0RT208 UPS can be monitored as described in 2.4 - Liebert Mult[...]

Communication 27 Figure 15 Calculating tot al load per UPS Note that the L1-N, L2-N and L1-L2 loads are even ly sha red among all t he connected UPSs. Load val- ues are in kVA. T able 3 Calculating tot al load, 20kV A example 20kVA Load, Full Load of Parallel Pod 2 UPSs Connected to Parallel POD 3 UPSs Connected to Parallel POD UPS 1 UPS 2 Total Ou[...]

Communication 28 9.3 UPS Configur ation Settings Refer to the Liebert GXT2-10000RT 208 user manual, SL-234 44, for additional informati on on using the UPS Configuration Program. When the configuration program is used with an y of the connected Lieb ert GXT2-10000RT20 8 UPSs, options selected are changed in all operationa l UPSs connected to the pa[...]

Specifications 29 10.0 S PECIFICATIONS T able 5 Parallel POD specification s 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 19.38 (5 85 x 425 x 492) Weight, lb (kg) Unit 41.[...]

Specifications 30 T able 7 Optional output distri bution 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 1 20A (multiple connectors used) Input Power Connections Internal Anderso[...]

[...]

EmersonNetworkPower.com Ensuring The Hi gh Av ailab ilit y Of Mission-Critic al Data An d Appli c ations. Emerson Net work P ower , the global leader in enabling business-critical continuity , ensures network re siliency and adaptabilit y through a family of technologies—inc luding Liebert power and cooling technologies—that prot ect and suppor[...]