Liebert GHT MT+ User Manual
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Liebert GHT MT+ User Manual

Single phase online ups 1000-3000 va
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Single Phase Online UPS
Liebert GXT MT+
User Manual - 1000-3000 VA

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Summary of Contents for Liebert GHT MT+

  • Page 1 Single Phase Online UPS Liebert GXT MT+ User Manual - 1000-3000 VA...

  • Page 2: Table Of Contents

    Table of Contents 1. Important Safety Warning……………………………………………… 1-1. Transportation 1-2. Preparation 1-3. Installation 1-4. Operation 1-5. Maintenance, service and faults 2. Installation and setup…………………………………………………… 2-1. Rear view 2-2. Setup the UPS 3. Operations………………………………………………………………….. 3-1. Button operation 3-2. LCD Panel 3-3. Audible Alarm 3-4.

  • Page 3: Important Safety Warning

    1. Important Safety Warning Please comply with all warnings and operating instructions in this manual strictly. Save this manual properly and read carefully the following instructions before installing the unit. Do not operate this unit before reading through all safety information and operating instructions carefully 1-1.

  • Page 4: Maintenance, Service And Faults

    1-5. Maintenance, service and faults  The UPS system operates with hazardous voltages. Repairs may be carried out only by qualified maintenance personnel.  Caution - risk of electric shock. Even after the unit is disconnected from the mains (building wiring outlet), components inside the UPS system are still connected to the battery and electrically live and dangerous.

  • Page 5: Installation And Setup

    2. Installation and Setup NOTE: Before installation, please inspect the unit. Be sure that nothing inside the package is damaged. Please keep the original package in a safe place for future use. NOTE: There are two different types of online UPS: standard and long-run models. Please refer to the following model table.

  • Page 6: Setup The Ups

    2-2. Setup the UPS Step 1: UPS input connection Plug the UPS into a two-pole, three-wire, grounded receptacle only. Avoid using extension cords.  For 208/220/230/240VAC models: The power cord is supplied in the UPS package.  For 110/115/120/127VAC models: The power cord is attached to the UPS. The input plug is a NEMA 5-15P for 1000 and 1000L models, NEMA 5-20P for 2000 and 2000L models.
  • Page 7 Step 4: Network connection Network/Fax/Phone surge port Connect a single modem/phone/fax line into surge-protected “IN” outlet on the back panel of the UPS unit. Connect from “OUT” outlet to the equipment with another modem/fax/phone line cable. Step 5: Disable and enable EPO function Keep the pin 1 and pin 2 closed for UPS normal operation.

  • Page 8: Operations

    3. Operating Instruction 3-1. Button operation Button View Button Function  Turn on the UPS: Press and hold ON/MUTE button for at least 2 seconds to turn on the UPS.  Mute the alarm: When the UPS is on battery mode, press and hold this button for at least 5 seconds to disable or enable the alarm system.

  • Page 9: Lcd Panel

    3-2. LCD Display Display Function Backup time setting and information Indicates the backup time in pie chart. Indicates the backup time in numbers. H: hours, M: minute, S: second Setting operation Indicates the setting operation. Fault & warning information Indicates that the warning situation occurs. Indicates the warning and fault codes, and the codes are listed in details in 3-5 section.

  • Page 10: Audible Alarm

    Indicates the UPS is in battery mode. Indicates the UPS is bypass mode. Indicates the UPS is in ECO mode. Indicates the UPS is in converter mode. Indicates the UPS is charging battery. Battery information Indicates the Battery capacity by 0-25%, 26-50%, 51-75%, and 76-100%.

  • Page 11: Ups Setting

    3-5. UPS Setting There are two parameters to set up the UPS. Parameter 1 Parameter 1: It’s for program alternatives. There are 8 programs to Parameter 2 set up. Refer to below table. Parameter 2 is the setting option or value for each program.
  • Page 12  03: Output frequency setting Interface Setting Parameter 2: Output frequency setting. You may set the initial frequency on battery mode: BAT 50: presents output frequency is 50Hz BAT 60: presents output frequency is 60Hz If converter mode is enabled, you may choose the following output frequency: CF 50: presents output frequency is 50Hz CF 60: presents output frequency is 60Hz...
  • Page 13  07: Programmable outlets setting Interface Setting Parameter 3: Set up backup time limits for programmable outlets. 0-999: setting the backup time limits in minutes from 0-999 for programmable outlets which connect to non-critical devices on battery mode.  00: Exit setting Interface Setting ESC: Exit the setting menu.

  • Page 14: Operating Mode Description

    3-6. Operating Mode Description Operating Description LCD display mode When pressing “ON/MUTE” button, if battery Switch on voltage is within acceptable range, “ON” will flash until the UPS is turned on. Online mode When the input voltage is within acceptable range, UPS will provide pure and stable AC power to output.

  • Page 15: Faults Reference Code

    Fault mode The UPS is in fault mode when no output power is supplied from the UPS and the fault icon flashes on the LCD display, although the information of UPS can be displayed in the screen. 3-7. Faults Reference Code Fault event Fault code Icon...

  • Page 16: Troubleshooting

    4. Troubleshooting If the UPS system does not operate correctly, please solve the problem by using the table below. Symptom Possible cause Remedy No indication and alarm even The AC input power is not Check if input power cord though the mains is normal. connected well.
  • Page 17 Fault code is shown as 14 and the The UPS shut down Check output wiring and if icon is lighting on LCD automatically because connected devices are in display and alarm is continuously short circuit occurs on the short circuit status. sounding.

  • Page 18: Storage And Maintenance

    5. Storage and Maintenance 5-1. Operation The UPS system contains no user-serviceable parts. If the battery service life (3~5 years at 25°C ambient temperature) has been exceeded, the batteries must be replaced. In this case, please contact your dealer. Be sure to deliver the spent battery to a recycling facility or ship it to your dealer in the replacement battery packing material.

  • Page 19: Specifications

    6. Specifications CAPACITY* 1000 VA / 800 W 2000 VA / 1600 W 3000 VA / 2400 W INPUT 160 VAC / 140 VAC / 120 VAC / 110 VAC ± 5 % Low Line Transfer ( based on load percentage 100% - 80 % / 80 % - 70 % / 70 - 60 % / 60 % - 0) Voltage Low Line Comeback 175 VAC ±...

  • Page 20: Appendix: Ups Installation Guide

    Appendix: UPS Installation Guide UPS should be placed on the flat and clean surface. Place it in an area away from vibration, dust, humidity, high temperature, flammable liquids, gases, corrosive and conductive contaminants. Install the UPS indoors in a clean environment, where it is away from window and door.
  • Page 21 Place UPS: It’s equipped with fan for cooling. Therefore, place the UPS in a well-ventilated area. It’s required to maintain minimum clearance of 100mm in the front of the UPS and 300mm in the back and two sides of the UPS for heat dissipation and easy-maintenance. Connect To Transformer Transfor Transfor...
  • Page 22 Connect positive pole of battery pack to positive pole of external battery connector in UPS and negative pole of battery pack to negative pole of external battery connector in UPS. Polarity misconnection will cause UPS internal fault. It’s recommended to add one breaker between positive pole of battery pack and positive pole of external battery connector in UPS to prevent damage to battery packs from internal fault.

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