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GXT2 - 3X1 Intelligent, High
Frequency, Online UPS
10/15/20kVA USER MANUAL
E1-20010329-C-1.0
Liebert Corporation
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IMPORTANT INSTRUCTIONS FOR SAFE USE The UPS must be commissioned by a Liebert - approved engineer before it is put into service. Failure to observe this condition will invalidate any implied warranty . Do not apply power to this equipment before it has been commissioned by a Liebert - approved engineer. He will validate the installation work and install ' site information ' into the micro-controller memory. This information is required to substantiate any warranty claims that might be ma
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Do not place magnetic storage media on top of the unit as it can corrupt the data stored on them. Electromagnetic Compatibility WARNING This is a Class A UPS product. In a domestic environment this product may cause radio interference, in which case the user may be required to take additional measures. Limits on use: WARNING This UPS should not be supplied from electrical power systems of the 'IT' (Impedance a Terre ) type. (IEC 364-ELECTRICAL INSTALLATION OF BUILDINGS)
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Content 1 Chapter 1 Introduction 1.1 Application 1 1.3 System Function Block 1 1.4 Features 2 5 Chapter 2 Installation 2.1 Unpacking Inspection 5 2.2 Outline and Panel Description 5 2.2.1 Outline 5 2.2.2 Front Panel 7 2.2.3 Rear Panel 8 2.3 Installation 8 2.3.1 Important Note 8 2.3.2 Installation Procedure 10 13 2.4 Connection of External Batteries 17 Chapter 3 Operation 3.1 Operating Mode 17 3.1.1 Normal Mode 17 18 3.1.2 Bypass Mode 3.1.3 Battery Mode 18 3.1.4 ECO
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3.2.6 LCD Panel Operation 26 27 Chapter 4 Maintenance and Storage I. Battery Maintenance 27 II. Keep Air Vent Unblocked 28 III. UPS State Check 28 IV. Function Inspection 28 31 Chapter 5 Troubleshooting 35 Appendix 1 LCD Panel Displays and Operation 1. Constitution of Display Panel 35 2. Function of display Panel 36 3. Menu Operation 39 4. Information LCD-displaying Priority 42 Relay Communication Mode 43 46 Appendix 2 Product Specification 49 Appendix 3 Accessories
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6 Chapter 1 Product Introduction Chapter 1 Introduction 1.1 Application GXT2-3X1 Series UPS provides high quality AC power to your precision instrument. It can be applied in Computer Center , Network Management Center, Communication System, Automation Control System, precision instrument or other Critical Systems. 1.2 Classification " GXT2-3X1 " Series include 10kVA, 15kVA and 20kVA UPS products, shown in the following table: Capacity 10kVA 15kVA 20kVA Model GXT2-3X1-0100L
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Chapter 1 Product Introduction 7 Maintenance bypass bypass bypass Breaker Backup UPS Electronic Load Inverter Utility Rectifier Transfer Utility Breaker Switch Maintenance switch Charger Master UPS Battery Battery Group1 Group 2 Figure 1-2 hot-standby system 1.4 Features GXT2-3X1 Series Three phase input/Single phase output 10kVA/15kVA /20kVA UPS is an advanced, intelligent, Online with Sinusoidal waveform output UPS system. The system adopts high-frequency double con
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Chapter 2 Installation 9 Chapter 2 Installation 2.1 Unpacking Inspection 1. Unpack the packing box to move the UPS to position , be careful not to drop it as it is heavy. 2. In the event of product damage due to transportation, please notify Liebert or its authorized agent. 2.2 Outline and Panel Description 2.2.1 Outline LCD Display Panel Supporting caster Adjustable Footpad Ventilation holes on front panel Figure 2-1 UPS Front view E1-20010329-C-1.0
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10 Chapter 2 Installation Air-inlet holes on Front Panel Utility Switch Bypass Switch Maintenance Switch Figure 2-2 Front view without panel Utility Battery Inverter Fault Bypass On/Silence Key LCD Display Enter Key Off Key Scroll Key Figure 2-3 LCD display Panel E1-20010329-C-1.0
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Chapter 2 Installation 11 contact closure port Alarm Relay Port Ventilation holes Input/Output Terminals block Figure 2-4 rear panel 2.2.2 Front Panel Parts' Function Description Input Switch Used for controlling the utility input to UPS. 10kVA UPS uses three-pole 63A/250VAC breaker 15/20kVA UPS uses three-pole 100A/250VAC breaker Bypass Switch Used for controlling the bypass input to UPS 10kVA UPS uses 80A/250VAC circuit breaker; 15/20kVA UPS uses 125A/250VAC circu
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12 Chapter 2 Installation It can be included in monitoring system defined by users . Heat Dissipation and Used for heat dissipation and ventilation of UPS ventilation holes 2.3 Installation 2.3.1 Important Note 1. Please position the UPS on the flat ground/surface .. 2. The distance from the rear and side panels of the UPS to the wall or other equipment should be greater than 20cm, and the air inlets on the front panel and at the bottom of the UPS should be kept unobstructe
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Chapter 2 Installation 13 Input hot output hot line line U V U W Input neutral output Load P line neutral line S N/E Figure 2-5 （b） wrong cable connection Warning Classified according to European standard EN55022 , this is an A level UPS product. When it is used in family house, it may generate radio interference, user should take other measures in this condition. 2.3.2 Installation Procedure 1. Prior to any wire connection, please confirm that all the input and output ci
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14 Chapter 2 Installation L1 + - B_L B_N + - Battery 1¡ +¡ ° ± Terminal Hot standby B_N End Battery1 + Terminal Battery 1¡ ° -¡ Te ± rminal Hot standby B_L End Battrery1 - Terminal Battery 2¡ ° +¡ ± Terminal Hot standby L1 End Battery2 + Terminal Battery 2¡ -¡ ° ± Terminal Battery2 - Terminal Figure 2-6 （a ） 10kVA Input/output terminals( upper terminals' block ） NU L N V W Input GND Output GND Output Neutral line Input Neutral line Input U phase line Output phase line Input
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Chapter 2 Installation 15 Figure 2-6 （d ） 15/20kVA Input/output terminals( lower terminals' block ） Note 2 For 10kVA system, at least 8AWG or 10mm copper wire should be used for input neutral line, input U phase line, hot standby L1 terminal, B_L terminal, B_N terminal and output neutral line and hot line；input V or W phase lines and battery lines should 2 be 10AWG or 6mm copper wire at least. 2 For 15/20kVA system, at least 3AWG or 25mm copper wire should be used for input neut
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16 Chapter 2 Installation Battery Cabinet Breaker of Battery Cabinet Battery 2 _ _ + + Battery 1 Figure 2-10 connection of external batteries 5. Turn the switch on the battery cabinet to " ON " position. Note The battery connection and replacement should be done when the UPS is Completely switched OFF, if batteries are replaced while UPS is ON (hot - swappable ) pay attention not to reverse battery polarity. 2.5 Wire Connection for Hot Standby UPS 1. Confirm the input circu
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Output GND Output Neutral line Output phase line Input W phase line Input V phase line Input V phase line Input Neutral line Input GND Chapter 2 Installation 17 Backup UPS Master UPS + - +- L1 B_L B_N +- + - L1 B_L B_N Output neutral line of Backup UPS is connected to the N terminal of Master's bypass Output phase line of Backup UPS is connected to the L terminal of Master's bypass NUN V W L N U VWLN Output GND in Parallel Input GND in Parallel Input Neutral line in Parallel Input U ph
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Output GND Output Neutral line Output phase line Input W phase line Input V phase line Input V phase line Input Neutral line Input GND 18 Chapter 2 Installation Backup UPS Master UPS +- + - L1B_L B_N ++ - - L1B_L B_N Output neutral line of Backup UPS is connected to the N terminal of Master's bypass Output phase line of Backup UPS is connected to the L terminal of Master's bypass NU V W L N NU VW LN Output GND in Parallel Input GND in Parallel Input Neutral line in Parallel Input U phe
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Chapter 3 Operation 19 Chapter 3 Operation 3.1 Operating Mode 3.1.1 Normal Mode When the input Utility voltage and the load are within specifications, the load is supplied by inverter, which draws power from rectifier; meanwhile, the charger float-charges or equalize-charges the battery. When in Normal mode, the Utility indicator and inverter indicator on the LCD panel be green in colour ,as shown in Fig. 3-1. OUTPUT VOLT 220.0V Figure 3-1 Note If the UPS is power by
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20 Chapter 3 Operation OUTPUT VOLT 215.0V Figure 3-2 Note Under this mode, if the bypass power fails or bypass voltage exceed the bypass voltage windows. , the UPS will not provide power to the load. 3.1.3 Battery Mode When the UPS is in Normal mode, in the event of Utility failure or Utility voltage outside tolerances, the rectifier and charger will turn off , the battery begins to discharge and supply the load through inverter. When the UPS operates in Battery mode, the b
