GXT RT Series 1-3 kVA UPS User Manual Version: Revision date: V1.11 Sept 21, 2005 Emerson Network Power provides customers with technical support. Users may contact the nearest Emerson local sales office or service center. While every precaution has been taken to ensure accuracy and completeness in this manual, Emerson Network Power assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors or omissions.
Liebert GXTRT Series 1-3 kVA UPS Installation and User Manual Table of Contents Contents Safety Instructions............................................................................ 3-4 Description of Commonly used Notations.............................................5 1 Product Description ........................................................................6 1.1 Features...................................................................................6 1.2 System Components .....................
Liebert GXTRT Series 1-3 kVA UPS Installation and User Manual Safety Instructions Safety Instructions Caution - risk of electric shock. Even after the unit is disconnected from the mains power supply (building wiring socket outlet), components inside the UPS system are still connected to the battery and are still electrically live and dangerous.
Liebert GXTRT Series 1-3 kVA UPS Installation and User Manual Safety Instructions • In case of fire, use dry chemical fire extinguisher to put out the fire. Using foam fire extinguisher may cause electric shock. • High ambient temperature shortens the battery’s lifetime, so the battery should be monitored & maintained periodically and if required should be replaced. This is to ensure normal UPS operation and adequate autonomy time.
Liebert GXTRT Series 1-3 kVA UPS Installation and User Manual Commonly Used Notations Description of commonly used notations Some or all of the following Notations may be used in this manual and may appear in your application process. Therefore, all users should be familiar with them and understand their explanations.
Liebert GXTRT Series 1-3 kVA UPS Installation and User Manual Product Introduction Product Introduction The GXT-RT series 1~3kVA UPS is an online UPS with a sine wave output, and is developed by Emerson Network Power. The GXT-RT provides highly efficient and reliable AC Power for your sensitive equipment. The GXT-RT adopts a modular design. Rack installation and tower installation can be used depending on the user’s requirements.
Liebert GXTRT Series 1-3 kVA UPS Installation and User Manual Product Introduction Table 1-1 Power module types and models Type Module name Standard Extended back-up time Model Product Introduction Remark 1kVA standard power module GXT1000-RT With a 1A internal charger and a 3*12V/7.
Liebert GXTRT Series 1-3 kVA UPS Installation and User Manual Product Introduction Figure 1-4 Rear panel of 2kVA standard power module Figure 1-5 Rear panel of 2kVA extended back-up time power module Figure 1-6 1.2.2 Rear panel of 3kVA power modules Battery Module Model The battery packs are available in two modules: GXT2000-BAT and GXT3000-BAT, as shown in Table 1-2. Users can confirm the module model by checking the nameplate on the enclosure.
Liebert GXTRT Series 1-3 kVA UPS Installation and User Manual Product Introduction Figure 1-8 1.3 Rear panel of battery module System Type And Configuration The above mentioned power modules and battery modules can comprise two types of UPS system: standard type and extended back-up time type, each available in the following ratings: 1kVA, 2kVA and 3kVA UPS. The UPS types and configurations appear from Table 1-3.
Liebert GXTRT Series 1-3 kVA UPS Installation and User Manual Product Introduction 1.4 Operating Principle The UPS operating principle is shown in Figure 1-9.
Liebert GXTRT Series 1-3 kVA UPS 1.5 Installation and User Manual Product Introduction Communication The UPS provides a DB9 port and an SNMP card slot located on the rear panel of the power module (see figures from 1-2 to 1-6). DB9 port The DB9 can be used for RS232 serial communication and dry contact communication. Users can use the accessory UPS monitoring software to monitor the UPS through the DB9 port.
Liebert GXTRT Series 1-3 kVA UPS Chapter 2 2.1 Installation and User Manual Installation Installation Unpacking Inspection 1. Open the packing box of each module and take out the modules, visually examine the modules for possible transit damage. 2. Check against the accessory lists (see tables 2-1 to 2-2) if the accessories of the power module and battery module are present. 3. If the UPS arrives damaged, or if there is any missing accessory, please contact the distributor immediately.
Liebert GXTRT Series 1-3 kVA UPS 2.3 Installation and User Manual Installation Tower Installation 2.3.1 Installing Single Power Module Use the following steps to install the UPS systems that contain only one power module and no battery module. These power modules include GXT1000-RT, GXT1000L-RT, GXT2000L-RT and GXT3000L-RT. 1.
Liebert GXTRT Series 1-3 kVA UPS Installation and User Manual Installation 2. Use step 2 in section 2.3.1 to put the power module and battery module on the bases, with the power module in the right position to facilitate cable connection, as shown in Figure 2-4. Figure 2-4 Positioning modules 2.4 Rack Installation 2.4.1 Installing Single Power Module Use the following steps to install the UPS systems that contain only one power module and no battery module.
Liebert GXTRT Series 1-3 kVA UPS 2.4.2 Installation and User Manual Installation Installing Power Module Plus Battery Module Use the following steps to install the standard UPS systems that contain a power module and a battery module (i.e., GXT2000-RT plus GXT2000-BAT; and GXT3000-RT plus GXT3000-BAT). 1. Take out a pair of brackets respectively delivered with the power module and battery module, use step 1 in section 2.4.1 to fit the brackets onto both sides of the two modules. 2.
Liebert GXTRT Series 1-3 kVA UPS Installation and User Manual Installation Note The external battery cable delivered with the long back-up time power module is 1.8m long. If users need a longer one, please consult the distributor. There is a limit to the length of the external battery cable to ensure normal operation of the UPS. 2.5.2 Connecting Input And Output Cables Warning 1.
Liebert GXTRT Series 1-3 kVA UPS Installation and User Manual Installation Note The input signal current shall not exceed 10mA, the output dry contact voltage shall not exceed 30Vdc.
Liebert GXTRT Series 1-3 kVA UPS Chapter 3 3.1 Installation and User Manual Operation Operation Operator Control And Display Panel Figure 3-1 shows the operator control and display panel of the power module, which provides ten LED indicators and two control buttons: ON/Alarm silence button and OFF button.
Liebert GXTRT Series 1-3 kVA UPS Installation and User Manual Operation Table 3-1 LED indication BATTERY indicator (green) It illuminates when the UPS is on battery and the battery voltage is not too high, flashes when the battery is faulty or the charging voltage is too high INVERTER indicator (green) It illuminates when the inverter is in normal operation, flashes when the inverter is faulty BYPASS indicator (green) It illuminates when the UPS is on bypass.
Liebert GXTRT Series 1-3 kVA UPS 3.2 Installation and User Manual Operation Operation Mode The UPS can be considered to be in the following operation modes: Normal mode When the input mains voltage is within the specifications, the load is supplied by the inverter, which draws power from the rectifier; meanwhile, the charger charges the battery. When in Normal mode, the LINE indicator and INVERTER indicator on the operator panel are on.
Liebert GXTRT Series 1-3 kVA UPS Installation and User Manual Operation begin to operate in Normal mode; meanwhile, the LINE indicator, INVERTER indicator, load/battery capacity indicators (LEDs 1~5) will turn on. Note The UPS provides automatic restart function, i.e., the inverter will restart automatically to allow the UPS to operate in Normal mode when the mains power recovers after the UPS shuts down.
Liebert GXTRT Series 1-3 kVA UPS Chapter 4 4.1 Installation and User Manual Maintenance Maintenance Battery Maintenance The battery is a key component of the UPS system. The battery life depends on the ambient temperature, charge and discharge times. High ambient temperature and deep discharge will shorten the battery life. 1. Keep the ambient temperature between 15°C and 25°C. 2. To prevent small current discharge, the battery discharge duration should not exceed 48 hours. 3.
Liebert GXTRT Series 1-3 kVA UPS 4.4 Installation and User Manual Maintenance Troubleshooting In the event of an UPS fault, troubleshoot according to Table 4-1. If the fault persists, seek immediate assistance from the local Emerson customer service office. Table 4-1 S/N.
Liebert GXTRT Series 1-3 kVA UPS S/N.
Liebert GXTRT Series 1-3 kVA UPS Chapter 5 Module W×H×D (mm) Weight (kg) Power module GXT1000-RT 440×87×400 17.5 Power module GXT1000L-RT 440×87×400 7.8 Power module GXT2000-RT 440×87×400 8.6 Power module GXT2000L-RT 440×87×400 9.6 Power module GXT3000-RT 440×87×400 9.0 Power module GXT3000L-RT 440×87×400 10.0 Battery module GXT2000-BAT 440×87×400 20.5 Battery module GXT3000-BAT 440×87×400 21.
Liebert GXTRT Series 1-3 kVA UPS Installation and User Manual Model Rating Inverter overload capability (in Normal mode, 25°C) Inverter overload capability (in Battery mode, 25°C) Bypass overload capability Crest factor Bypass operating voltage Transfer time GXT GXT GXT GXT GXT GXT 1000-RT 1000L-RT 2000-RT 2000L-RT 3000-RT 3000L-RT 1000VA/700W 2000VA/1400W 3000VA/2100W <105% continuous operation 105%~125% 5min 125%~150% 1min 150%~200% 10s >200% 0.
Liebert GXTRT Series 1-3 kVA UPS 5.4 5.5 EMI Item Standard Level Limitation of emission of input harmonic currents EN61000-3-2 - Limitation of voltage changes, voltage fluctuations and flicker EN61000-3-3 - Conduction EN/IEC62040-2 Class B Emission EN/IEC62040-2 Class B Environmental Item Ambient temperature Relative humidity Altitude Storage temperature 5.